Merge branch 'PHP-5.5' of git.php.net:php-src into PHP-5.5

* 'PHP-5.5' of git.php.net:php-src: (107 commits)
  Typo fix: umknown -> unknown
  add news entry about FPM backlog change
  Fix bug #66008
  updated libs_versions.txt
  Update NEWS
  Update NEWS
  Fixed Bug 64760 var_export() does not use full precision for floating-point numbers
  add bundled libzip LICENSE, as required by BSD License terms
  - Updated to version 2013.8 (2013h)
  Use zval* instead of zval**
  Increased limit for opcache.max_accelerated_files to 1,000,000. (Chris)
  Improved performance of array_merge() by eliminating useless copying
  Improved performance of func_get_args() by eliminating useless copying
  Link to more readmes
  increase backlog to the highest value everywhere
  Update NEWS
  Fixed bug #65950 Field name truncation if the field name is bigger than 32 characters
  - Updated to version 2013.7 (2013g)
  Increment version number, since this will be 5.5.6.
  Added Zend Debugger to the note about the load order (by trash4you at online dot de)
  ...

56 files changed, 3395 insertions, 65 deletions

diff --git a/ext/intl/collator/collator_create.c b/ext/intl/collator/collator_create.c
index b2a8c7f6ba..7ed4c53439 100644
--- a/ext/intl/collator/collator_create.c
+++ b/ext/intl/collator/collator_create.c
@@ -27,7 +27,7 @@
 /* {{{ */
 static void collator_ctor(INTERNAL_FUNCTION_PARAMETERS)
 {
-	char*            locale;
+	const char*      locale;
 	int              locale_len = 0;
 	zval*            object;
 	Collator_object* co;
diff --git a/ext/intl/dateformat/dateformat_parse.c b/ext/intl/dateformat/dateformat_parse.c
index 4193e89017..9930778546 100644
--- a/ext/intl/dateformat/dateformat_parse.c
+++ b/ext/intl/dateformat/dateformat_parse.c
@@ -62,7 +62,7 @@ static void internal_parse_to_timestamp(IntlDateFormatter_object *dfo, char* tex
 }
 /* }}} */
 
-static void add_to_localtime_arr( IntlDateFormatter_object *dfo, zval* return_value, UCalendar parsed_calendar, long calendar_field, char* key_name TSRMLS_DC)
+static void add_to_localtime_arr( IntlDateFormatter_object *dfo, zval* return_value, const UCalendar *parsed_calendar, long calendar_field, char* key_name TSRMLS_DC)
 {
 	long calendar_field_val = ucal_get( parsed_calendar, calendar_field, &INTL_DATA_ERROR_CODE(dfo));	
 	INTL_METHOD_CHECK_STATUS( dfo, "Date parsing - localtime failed : could not get a field from calendar" );
@@ -83,7 +83,7 @@ static void add_to_localtime_arr( IntlDateFormatter_object *dfo, zval* return_va
 */
 static void internal_parse_to_localtime(IntlDateFormatter_object *dfo, char* text_to_parse, int32_t text_len, int32_t *parse_pos, zval *return_value TSRMLS_DC)
 {
-	UCalendar* 	parsed_calendar = NULL;
+	UCalendar      *parsed_calendar = NULL;
 	UChar*  	text_utf16  = NULL;
 	int32_t 	text_utf16_len = 0;
 	long 		isInDST = 0;
@@ -92,7 +92,7 @@ static void internal_parse_to_localtime(IntlDateFormatter_object *dfo, char* tex
 	intl_convert_utf8_to_utf16(&text_utf16, &text_utf16_len, text_to_parse, text_len, &INTL_DATA_ERROR_CODE(dfo));
 	INTL_METHOD_CHECK_STATUS(dfo, "Error converting timezone to UTF-16" );
 
-	parsed_calendar = udat_getCalendar(DATE_FORMAT_OBJECT(dfo));
+	parsed_calendar = (UCalendar *)udat_getCalendar(DATE_FORMAT_OBJECT(dfo));
 	udat_parseCalendar( DATE_FORMAT_OBJECT(dfo), parsed_calendar, text_utf16, text_utf16_len, parse_pos, &INTL_DATA_ERROR_CODE(dfo));
 	
 	if (text_utf16) {
diff --git a/ext/intl/formatter/formatter_main.c b/ext/intl/formatter/formatter_main.c
index d0671a88b5..0a568472c4 100644
--- a/ext/intl/formatter/formatter_main.c
+++ b/ext/intl/formatter/formatter_main.c
@@ -27,7 +27,7 @@
 /* {{{ */
 static void numfmt_ctor(INTERNAL_FUNCTION_PARAMETERS)
 {
-	char*       locale;
+	const char* locale;
 	char*       pattern = NULL;
 	int         locale_len = 0, pattern_len = 0;
 	long        style;
diff --git a/ext/intl/locale/locale_methods.c b/ext/intl/locale/locale_methods.c
index d1a86d8ee2..21b5847f2d 100644
--- a/ext/intl/locale/locale_methods.c
+++ b/ext/intl/locale/locale_methods.c
@@ -121,12 +121,15 @@ static int16_t findOffset(const char* const* list, const char* key)
 }
 /*}}}*/
 
-static char* getPreferredTag(char* gf_tag)
+static char* getPreferredTag(const char* gf_tag)
 { 
 	char* result = NULL;
 	int grOffset = 0;
 
 	grOffset = findOffset( LOC_GRANDFATHERED ,gf_tag);
+	if(grOffset < 0) {
+		return NULL;
+	}
 	if( grOffset < LOC_PREFERRED_GRANDFATHERED_LEN ){
 		/* return preferred tag */
 		result = estrdup( LOC_PREFERRED_GRANDFATHERED[grOffset] );
@@ -172,7 +175,7 @@ static int getStrrtokenPos(char* str, int savedPos)
 * returns -1 if no singleton
 * strtok equivalent search for singleton
 */
-static int getSingletonPos(char* str)
+static int getSingletonPos(const char* str)
 {
 	int result =-1;
 	int i=0;
@@ -248,7 +251,7 @@ PHP_NAMED_FUNCTION(zif_locale_set_default)
 * common code shared by get_primary_language,get_script or get_region or get_variant
 * result = 0 if error, 1 if successful , -1 if no value
 */
-static char* get_icu_value_internal( char* loc_name , char* tag_name, int* result , int fromParseLocale)
+static char* get_icu_value_internal( const char* loc_name , char* tag_name, int* result , int fromParseLocale)
 {
 	char*		tag_value	= NULL;
 	int32_t     	tag_value_len   = 512;
@@ -278,7 +281,7 @@ static char* get_icu_value_internal( char* loc_name , char* tag_name, int* resul
 		/* Handle singletons */
 		if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
 			if( strlen(loc_name)>1 && (isIDPrefix(loc_name) ==1 ) ){
-				return loc_name;
+				return (char *)loc_name;
 			}
 		}
 
@@ -367,7 +370,7 @@ static char* get_icu_value_internal( char* loc_name , char* tag_name, int* resul
 static void get_icu_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS) 
 {
 
-	char*       loc_name        	= NULL;
+	const char* loc_name        	= NULL;
 	int         loc_name_len    	= 0;
 
 	char*       tag_value		= NULL;
@@ -462,10 +465,10 @@ PHP_FUNCTION(locale_get_primary_language )
  }}} */
 static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS) 
 {
-	char*       loc_name        	= NULL;
+	const char* loc_name        	= NULL;
 	int         loc_name_len    	= 0;
 
-	char*       disp_loc_name       = NULL;
+	const char* disp_loc_name       = NULL;
 	int         disp_loc_name_len   = 0;
 	int         free_loc_name       = 0;
 
@@ -558,7 +561,7 @@ static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAME
 				efree( mod_loc_name );
 			}
 			if (free_loc_name) {
-				efree(disp_loc_name);
+				efree((void *)disp_loc_name);
 				disp_loc_name = NULL;
 			}
 			RETURN_FALSE;
@@ -569,7 +572,7 @@ static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAME
 		efree( mod_loc_name );
 	}
 	if (free_loc_name) {
-		efree(disp_loc_name);
+		efree((void *)disp_loc_name);
 		disp_loc_name = NULL;
 	}
 	/* Convert display locale name from UTF-16 to UTF-8. */
@@ -663,10 +666,10 @@ PHP_FUNCTION( locale_get_keywords )
     UEnumeration*   e        = NULL;
     UErrorCode      status   = U_ZERO_ERROR;
 
-	const char*	 	kw_key        = NULL;
+    const char*	 	kw_key        = NULL;
     int32_t         kw_key_len    = 0;
 
-    char*       	loc_name        = NULL;
+    const char*       	loc_name        = NULL;
     int        	 	loc_name_len    = 0;
 
 /* 
@@ -713,7 +716,7 @@ PHP_FUNCTION( locale_get_keywords )
 				kw_value = erealloc( kw_value , kw_value_len+1);
 			} 
 			if (U_FAILURE(status)) {
-        		intl_error_set( NULL, FAILURE, "locale_get_keywords: Error encountered while getting the keyword  value for the  keyword", 0 TSRMLS_CC );
+	        		intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, "locale_get_keywords: Error encountered while getting the keyword  value for the  keyword", 0 TSRMLS_CC );
 				if( kw_value){
 					efree( kw_value );
 				}
@@ -971,12 +974,12 @@ PHP_FUNCTION(locale_compose)
 * e.g. for locale='en_US-x-prv1-prv2-prv3'
 * returns a pointer to the string 'prv1-prv2-prv3'
 */
-static char* get_private_subtags(char* loc_name)
+static char* get_private_subtags(const char* loc_name)
 {
 	char* 	result =NULL;
 	int 	singletonPos = 0;
 	int 	len =0; 
-	char* 	mod_loc_name =NULL;
+	const char* 	mod_loc_name =NULL;
 
 	if( loc_name && (len = strlen(loc_name)>0 ) ){
 		mod_loc_name = loc_name ; 
@@ -1016,7 +1019,7 @@ static char* get_private_subtags(char* loc_name)
 
 /* {{{ code used by locale_parse
 */
-static int add_array_entry(char* loc_name, zval* hash_arr, char* key_name TSRMLS_DC)
+static int add_array_entry(const char* loc_name, zval* hash_arr, char* key_name TSRMLS_DC)
 {
 	char*   key_value 	= NULL;
 	char*   cur_key_name	= NULL;
@@ -1081,7 +1084,7 @@ static int add_array_entry(char* loc_name, zval* hash_arr, char* key_name TSRMLS
 */
 PHP_FUNCTION(locale_parse)
 {
-    char*       loc_name        = NULL;
+    const char* loc_name        = NULL;
     int         loc_name_len    = 0;
     int         grOffset    	= 0;
 
@@ -1125,8 +1128,8 @@ PHP_FUNCTION(locale_parse)
 */
 PHP_FUNCTION(locale_get_all_variants)
 {
-	char*  	loc_name        = NULL;
-	int    	loc_name_len    = 0;
+	const char*  	loc_name        = NULL;
+	int    		loc_name_len    = 0;
 
 	int	result		= 0;
 	char*	token		= NULL;
@@ -1179,10 +1182,10 @@ PHP_FUNCTION(locale_get_all_variants)
 /*{{{
 * Converts to lower case and also replaces all hyphens with the underscore
 */
-static int strToMatch(char* str ,char *retstr)
+static int strToMatch(const char* str ,char *retstr)
 {
 	char* 	anchor 	= NULL;
-	char* 	anchor1 = NULL;
+	const char* 	anchor1 = NULL;
 	int 	result 	= 0;
 	int 	len 	= 0;
 
@@ -1222,7 +1225,7 @@ PHP_FUNCTION(locale_filter_matches)
 {
 	char*       	lang_tag        = NULL;
 	int         	lang_tag_len    = 0;
-	char*       	loc_range       = NULL;
+	const char*     loc_range       = NULL;
 	int         	loc_range_len   = 0;
 
 	int		result		= 0;
@@ -1398,7 +1401,7 @@ static void array_cleanup( char* arr[] , int arr_size)
 * returns the lookup result to lookup_loc_range_src_php 
 * internal function
 */
-static char* lookup_loc_range(char* loc_range, HashTable* hash_arr, int canonicalize  TSRMLS_DC)
+static char* lookup_loc_range(const char* loc_range, HashTable* hash_arr, int canonicalize  TSRMLS_DC)
 {
 	int	i = 0;
 	int	cur_arr_len = 0;
@@ -1520,7 +1523,7 @@ PHP_FUNCTION(locale_lookup)
 {
 	char*      	fallback_loc  		= NULL;
 	int        	fallback_loc_len	= 0;
-	char*      	loc_range      		= NULL;
+	const char*    	loc_range      		= NULL;
 	int        	loc_range_len  		= 0;
 
 	zval*		arr				= NULL;
diff --git a/ext/intl/msgformat/msgformat.c b/ext/intl/msgformat/msgformat.c
index 6a9f04f32b..7d8cd958e3 100644
--- a/ext/intl/msgformat/msgformat.c
+++ b/ext/intl/msgformat/msgformat.c
@@ -28,7 +28,7 @@
 /* {{{ */
 static void msgfmt_ctor(INTERNAL_FUNCTION_PARAMETERS) 
 {
-	char*       locale;
+	const char* locale;
 	char*       pattern;
 	int         locale_len = 0, pattern_len = 0;
 	UChar*      spattern     = NULL;
diff --git a/ext/intl/msgformat/msgformat_format.c b/ext/intl/msgformat/msgformat_format.c
index 4b81cfe2b4..55ec9e84ba 100644
--- a/ext/intl/msgformat/msgformat_format.c
+++ b/ext/intl/msgformat/msgformat_format.c
@@ -103,7 +103,7 @@ PHP_FUNCTION( msgfmt_format_message )
 	int         spattern_len = 0;
 	char       *pattern = NULL;
 	int         pattern_len = 0;
-	char       *slocale = NULL;
+	const char *slocale = NULL;
 	int         slocale_len = 0;
 	MessageFormatter_object mf = {0};
 	MessageFormatter_object *mfo = &mf;
diff --git a/ext/intl/msgformat/msgformat_helpers.cpp b/ext/intl/msgformat/msgformat_helpers.cpp
index c4456d54f3..f75fd91dce 100644
--- a/ext/intl/msgformat/msgformat_helpers.cpp
+++ b/ext/intl/msgformat/msgformat_helpers.cpp
@@ -209,6 +209,9 @@ static HashTable *umsg_parse_format(MessageFormatter_object *mfo,
 					continue;
 				}
 			}
+		} else {
+			intl_errors_set(&err, U_INVALID_FORMAT_ERROR, "Invalid part type encountered", 0 TSRMLS_CC);
+			continue;
 		}
 
 		UMessagePatternArgType argType = p.getArgType();
diff --git a/ext/intl/msgformat/msgformat_parse.c b/ext/intl/msgformat/msgformat_parse.c
index 413d3b1f15..14a6363424 100644
--- a/ext/intl/msgformat/msgformat_parse.c
+++ b/ext/intl/msgformat/msgformat_parse.c
@@ -93,7 +93,7 @@ PHP_FUNCTION( msgfmt_parse_message )
 	int         spattern_len = 0;
 	char       *pattern = NULL;
 	int         pattern_len = 0;
-	char       *slocale = NULL;
+	const char *slocale = NULL;
 	int         slocale_len = 0;
 	char       *source = NULL;
 	int         src_len = 0;
diff --git a/ext/intl/tests/bug58756_MessageFormatter.phpt b/ext/intl/tests/bug58756_MessageFormatter.phpt
index bbe96b7045..18566b666c 100644
--- a/ext/intl/tests/bug58756_MessageFormatter.phpt
+++ b/ext/intl/tests/bug58756_MessageFormatter.phpt
@@ -4,6 +4,9 @@ Bug #58756: w.r.t MessageFormatter
 <?php
 if (!extension_loaded('intl'))
 	die('skip intl extension not enabled');
+if (version_compare(INTL_ICU_VERSION, '51.2') >=  0)
+	die('skip for ICU < 51.2');
+?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
@@ -31,4 +34,4 @@ echo "msgf2: ", $msgf->format(array($time, 'date')), " ",
 --EXPECT--
 date:  Tuesday, July 7, 2009 8:41:13 PM EDT
 msgf:  Tuesday, July 7, 2009 8:41:13 PM EDT
-==DONE==
\ No newline at end of file
+==DONE==
diff --git a/ext/intl/tests/bug58756_MessageFormatter_variant2.phpt b/ext/intl/tests/bug58756_MessageFormatter_variant2.phpt
new file mode 100644
index 0000000000..4fcfdbc08c
--- /dev/null
+++ b/ext/intl/tests/bug58756_MessageFormatter_variant2.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Bug #58756: w.r.t MessageFormatter
+--SKIPIF--
+<?php
+if (!extension_loaded('intl'))
+	die('skip intl extension not enabled');
+if (version_compare(INTL_ICU_VERSION, '51.2') < 0)
+	die('skip for ICU >= 51.2');
+?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+//ini_set("intl.default_locale", "nl");
+
+$time = 1247013673;
+
+ini_set('date.timezone', 'America/New_York');
+
+$msgf = new MessageFormatter('en_US', '{0,date,full} {0,time,h:m:s a V}');
+
+echo "date:  " . date('l, F j, Y g:i:s A T', $time) . "\n";
+echo "msgf:  " . $msgf->format(array($time)) . "\n";
+
+//NOT FIXED:
+/*$msgf = new MessageFormatter('en_US',
+'{1, select, date {{0,date,full}} other {{0,time,h:m:s a V}}}');
+
+echo "msgf2: ", $msgf->format(array($time, 'date')), " ",
+		$msgf->format(array($time, 'time')), "\n";
+*/
+
+?>
+==DONE==
+--EXPECT--
+date:  Tuesday, July 7, 2009 8:41:13 PM EDT
+msgf:  Tuesday, July 7, 2009 8:41:13 PM usnyc
+==DONE==
diff --git a/ext/intl/tests/collator_asort.phpt b/ext/intl/tests/collator_asort.phpt
index a614ddc3f8..308f3a3ca3 100644
--- a/ext/intl/tests/collator_asort.phpt
+++ b/ext/intl/tests/collator_asort.phpt
@@ -2,6 +2,7 @@
 asort()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_asort_variant2.phpt b/ext/intl/tests/collator_asort_variant2.phpt
new file mode 100644
index 0000000000..f9dff13608
--- /dev/null
+++ b/ext/intl/tests/collator_asort_variant2.phpt
@@ -0,0 +1,243 @@
+--TEST--
+asort()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort associative arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort various arrays in specified locale.
+ */
+function sort_arrays( $locale, $test_arrays, $sort_flag = Collator::SORT_REGULAR )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $test_arrays as $test_array )
+    {
+        // Try to sort test data.
+        $res_val = ut_coll_asort( $coll, $test_array, $sort_flag );
+
+        // Return output data.
+        $res_dump = "\n" . dump( $test_array ) .
+                    "\n Result: " . dump( $res_val );
+
+		// Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+        
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+/*
+ * Test main function.
+ */
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'd' => 'y'  ,
+               'c' => 'i'  ,
+               'a' => 'k'  ),
+
+        array( 'a' => 'a'  ,
+               'b' => 'aaa',
+               'c' => 'aa' ),
+
+        array( 'a'  => 'a' ,
+               'aaa'=> 'a' ,
+               'aa' => 'a' ),
+
+        array( '1' => 'abc',
+               '5' => '!'  ,
+               '2' => null ,
+               '7' => ''   ),
+
+        array( '1' => '100',
+               '2' => '25' ,
+               '3' => '36' ),
+
+        array( '1' => 5    ,
+               '2' => '30' ,
+               '3' => 2    )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort an array in SORT_STRING mode using en_US locale.
+    $test_params = array(
+        array( '1' => '100',
+               '2' => '25' ,
+               '3' => '36' ),
+
+        array( '1' => 5    ,
+               '2' => '30' ,
+               '3' => 2    ),
+
+        array( '1' => 'd'  ,
+               '2' => ''   ,
+               '3' => ' a' ),
+
+        array( '1' => 'y'  ,
+               '2' => 'k'  ,
+               '3' => 'i'  )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params, Collator::SORT_STRING );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'п' => 'у',
+               'б' => 'в',
+               'е' => 'а' ),
+
+        array( '1' => 'п',
+               '4' => '',
+               '7' => 'd',
+               '2' => 'пп' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+
+    // Sort an array using Lithuanian locale.
+    $test_params = array(
+        array( 'd' => 'y',
+               'c' => 'i',
+               'a' => 'k' )
+    );
+
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.162b81ac12878b817fc39063097e45b5:
+array (
+  'c' => 'i',
+  'a' => 'k',
+  'd' => 'y',
+)
+ Result: true
+
+Test 2.93d96e22f692d8a281b0a389f01f8d1e:
+array (
+  'a' => 'a',
+  'c' => 'aa',
+  'b' => 'aaa',
+)
+ Result: true
+
+Test 3.9f25de4482bc7b58de508e278113317c:
+array (
+  'aa' => 'a',
+  'aaa' => 'a',
+  'a' => 'a',
+)
+ Result: true
+
+Test 4.a85a41ea78e45b651080cfd98c0b431d:
+array (
+  7 => '',
+  2 => NULL,
+  5 => '!',
+  1 => 'abc',
+)
+ Result: true
+
+Test 5.99dc71f405b286e03d489061b36e6900:
+array (
+  2 => '25',
+  3 => '36',
+  1 => '100',
+)
+ Result: true
+
+Test 6.bf5bba243307c9d12934e756ad4be190:
+array (
+  3 => 2,
+  1 => 5,
+  2 => '30',
+)
+ Result: true
+
+Test 7.e4ee7024c61476e9e7a6c28b5e47df6f:
+array (
+  1 => '100',
+  2 => '25',
+  3 => '36',
+)
+ Result: true
+
+Test 8.5fa7033dd43784be0db1474eb48b83c8:
+array (
+  3 => 2,
+  2 => '30',
+  1 => 5,
+)
+ Result: true
+
+Test 9.588cdf4692bc09aa92ffe7e48f9e4579:
+array (
+  2 => '',
+  3 => ' a',
+  1 => 'd',
+)
+ Result: true
+
+Test 10.be02641a47ebcccd23e4183ca3a415f7:
+array (
+  3 => 'i',
+  2 => 'k',
+  1 => 'y',
+)
+ Result: true
+
+Test 11.153d9b11d1e5936afc917a94a4e11f34:
+array (
+  'е' => 'а',
+  'б' => 'в',
+  'п' => 'у',
+)
+ Result: true
+
+Test 12.e1f5cb037b564dce39ffbd0a61562d59:
+array (
+  4 => '',
+  1 => 'п',
+  2 => 'пп',
+  7 => 'd',
+)
+ Result: true
+
+Test 13.8800d48abb960a59002eef77f1d73ae0:
+array (
+  'c' => 'i',
+  'd' => 'y',
+  'a' => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/collator_compare.phpt b/ext/intl/tests/collator_compare.phpt
index f10b5708f4..7c07204b70 100644
--- a/ext/intl/tests/collator_compare.phpt
+++ b/ext/intl/tests/collator_compare.phpt
@@ -2,6 +2,7 @@
 compare()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_compare_variant2.phpt b/ext/intl/tests/collator_compare_variant2.phpt
new file mode 100644
index 0000000000..15c725bc4f
--- /dev/null
+++ b/ext/intl/tests/collator_compare_variant2.phpt
@@ -0,0 +1,135 @@
+--TEST--
+compare()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Compare various string pairs using various locales.
+ */
+
+
+/*
+ * Converts comparison result to a character.
+ */
+function cmp_to_char( $comp_res )
+{
+    switch( $comp_res )
+    {
+    case 0:            // UCOL_EQUAL
+        return '=';
+    case 1:            // UCOL_GREATER
+        return '>';
+    case -1:           // UCOL_LESS
+        return '<';
+    default:
+        return '?';
+    }
+}
+
+/*
+ * Compare string pairs in the given array
+ * using specified locale.
+ */
+function compare_pairs( $locale, $test_array )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $test_array as $test_strings )
+    {
+        list( $str1, $str2 ) = $test_strings;
+
+        // Compare strings.
+        $res_val = cmp_to_char( ut_coll_compare( $coll, $str1, $str2 ) );
+
+        // Concatenate result strings.
+        $res_str .= dump( $str1 ) .
+                    ' ' . $res_val . ' ' .
+                    dump( $str2 ) . "\n";
+    }
+
+    return $res_str;
+
+}
+
+function ut_main()
+{
+    $res_str = '';
+
+    // Compare strings using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abc' ),
+        array( 'Abc', 'abc' ),
+        array( 'a'  , 'abc' ),
+        array( 'a'  , ''    ),
+        array( ''  , ''     ),
+        array( 'a'  , 'b'   ),
+        array( 'ab'  , 'b'  ),
+        array( 'ab'  , 'a'  ),
+        array( 123  , 'abc' ),
+        array( 'ac' , null  ),
+        array( '.'  , '.'   ),
+        // Try to compare long strings.
+        array( 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde',
+               'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'),
+        array( null , null  )
+    );
+
+    $res_str .= compare_pairs( 'en_US', $test_params );
+
+
+    // Compare strings using ru_RU locale.
+    $test_params = array(
+        array( 'а',   'б' ),
+        array( 'а',   'аа' ),
+        array( 'аб', 'ба' ),
+        array( 'а',   ',' ),
+        array( 'а',   'b' ),
+        array( 'а',   'bb' ),
+        array( 'а',   'ab' ),
+        array( 'а',   null )
+    );
+
+    $res_str .= compare_pairs( 'ru_RU', $test_params );
+
+
+    // Compare strings using lt_LT locale.
+    $test_params = array(
+        array( 'y', 'k' )
+    );
+
+    $res_str .= compare_pairs( 'lt_LT', $test_params );
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+'abc' = 'abc'
+'Abc' > 'abc'
+'a' < 'abc'
+'a' > ''
+'' = ''
+'a' < 'b'
+'ab' < 'b'
+'ab' > 'a'
+123 < 'abc'
+'ac' > NULL
+'.' = '.'
+'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde' < 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'
+NULL = NULL
+'а' < 'б'
+'а' < 'аа'
+'аб' < 'ба'
+'а' > ','
+'а' < 'b'
+'а' < 'bb'
+'а' < 'ab'
+'а' > NULL
+'y' < 'k'
diff --git a/ext/intl/tests/collator_get_sort_key.phpt b/ext/intl/tests/collator_get_sort_key.phpt
index a9c4d71348..58240d426c 100644
--- a/ext/intl/tests/collator_get_sort_key.phpt
+++ b/ext/intl/tests/collator_get_sort_key.phpt
@@ -3,6 +3,8 @@ collator_get_sort_key()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip ICU >= 4.8 only'; ?>
+<?php /* XXX Obviously it fails somewhere between >= 4.8 and < 51.2 */ 
+if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
@@ -95,4 +97,4 @@ key: 5c0a161801070107
 source: жжж
 key: 5c3a3a3a01070107
 source: эюя
-key: 5d3b3f4501070107
\ No newline at end of file
+key: 5d3b3f4501070107
diff --git a/ext/intl/tests/collator_get_sort_key_variant2.phpt b/ext/intl/tests/collator_get_sort_key_variant2.phpt
new file mode 100644
index 0000000000..bb09256d6b
--- /dev/null
+++ b/ext/intl/tests/collator_get_sort_key_variant2.phpt
@@ -0,0 +1,98 @@
+--TEST--
+collator_get_sort_key()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Get sort keys using various locales
+ */
+function sort_arrays( $locale, $data )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+	foreach($data as $value) {
+		$res_val = ut_coll_get_sort_key( $coll, $value );
+		$res_str .= "source: ".$value."\n".
+					"key: ".bin2hex($res_val)."\n";
+	}
+
+    return $res_str;
+}
+
+
+function ut_main()
+{
+    $res_str = '';
+
+    // Regular strings keys
+    $test_params = array(
+		'abc', 'abd', 'aaa',
+		'аа', 'а', 'z',
+		'', null , '3',
+        'y'  , 'i'  , 'k'
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+		'абг', 'абв', 'жжж', 'эюя'
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Sort an array using Lithuanian locale.
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+source: abc
+key: 27292b01070107
+source: abd
+key: 27292d01070107
+source: aaa
+key: 27272701070107
+source: аа
+key: 5c0a0a01060106
+source: а
+key: 5c0a01050105
+source: z
+key: 5901050105
+source: 
+key: 0101
+source: 
+key: 0101
+source: 3
+key: 1801050105
+source: y
+key: 5701050105
+source: i
+key: 3701050105
+source: k
+key: 3b01050105
+source: абг
+key: 260a161a01070107
+source: абв
+key: 260a161801070107
+source: жжж
+key: 263a3a3a01070107
+source: эюя
+key: 273b3f4501070107
+source: абг
+key: 5c0a161a01070107
+source: абв
+key: 5c0a161801070107
+source: жжж
+key: 5c3a3a3a01070107
+source: эюя
+key: 5d3b3f4501070107
diff --git a/ext/intl/tests/collator_sort.phpt b/ext/intl/tests/collator_sort.phpt
index 5cefe2fd7c..e16eeea1e8 100644
--- a/ext/intl/tests/collator_sort.phpt
+++ b/ext/intl/tests/collator_sort.phpt
@@ -2,6 +2,7 @@
 sort()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_sort_variant2.phpt b/ext/intl/tests/collator_sort_variant2.phpt
new file mode 100644
index 0000000000..29a5082fda
--- /dev/null
+++ b/ext/intl/tests/collator_sort_variant2.phpt
@@ -0,0 +1,248 @@
+--TEST--
+sort()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort arrays in the given list using specified locale.
+ */
+function sort_arrays( $locale, $arrays, $sort_flag = Collator::SORT_REGULAR )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $arrays as $array )
+    {
+        // Sort array values
+        $res_val = ut_coll_sort( $coll, $array, $sort_flag );
+
+        // Concatenate the sorted array and function result
+        // with output string.
+        $res_dump = "\n" . dump( $array ) .
+                    "\n Result: " . dump( $res_val );
+
+		// Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+        
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abd', 'aaa' ),
+        array( 'm'  , '1'  , '_'   ),
+        array( 'a'  , 'aaa', 'aa'  ),
+        array( 'ba' , 'b'  , 'ab'  ),
+        array( 'e'  , 'c'  , 'a'   ),
+        array( '100', '25' , '36'  ),
+        array( 5    , '30' , 2     ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'd ' , 'f ' , ' a'  ),
+        array( 'a'  , null , '3'   ),
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    $test_params = array(
+        array( '100', '25' , '36'  ),
+        array( 5    , '30' , 2     ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    // Sort in en_US locale with SORT_STRING flag
+    $res_str .= sort_arrays( 'en_US', $test_params, Collator::SORT_STRING );
+
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'абг', 'абв', 'ааа', 'abc' ),
+        array( 'аа', 'ааа' , 'а' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Sort an array using Lithuanian locale.
+    $test_params = array(
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.e8f1cd28133d79ecd660002f1c660d0e:
+array (
+  0 => 'aaa',
+  1 => 'abc',
+  2 => 'abd',
+)
+ Result: true
+
+Test 2.c2ded12173dd2996927378cae37eb275:
+array (
+  0 => '_',
+  1 => '1',
+  2 => 'm',
+)
+ Result: true
+
+Test 3.54071c968d71cb98c5d379145f8d7d38:
+array (
+  0 => 'a',
+  1 => 'aa',
+  2 => 'aaa',
+)
+ Result: true
+
+Test 4.19abe63d6f6dfef65b0e3c9ab4826b07:
+array (
+  0 => 'ab',
+  1 => 'b',
+  2 => 'ba',
+)
+ Result: true
+
+Test 5.9a8dc0a9bc771368c2f1fc3d02754610:
+array (
+  0 => 'a',
+  1 => 'c',
+  2 => 'e',
+)
+ Result: true
+
+Test 6.ab530b060e5e54a65bfb8b9f8fc61870:
+array (
+  0 => '25',
+  1 => '36',
+  2 => '100',
+)
+ Result: true
+
+Test 7.0718dd838509017bded2ed307a6e785f:
+array (
+  0 => 2,
+  1 => 5,
+  2 => '30',
+)
+ Result: true
+
+Test 8.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 9.289bc2f28e87d3201ec9d7e8477ae1b0:
+array (
+  0 => ' a',
+  1 => 'd ',
+  2 => 'f ',
+)
+ Result: true
+
+Test 10.de0fd958484f2377a645835d7fbcf124:
+array (
+  0 => NULL,
+  1 => '3',
+  2 => 'a',
+)
+ Result: true
+
+Test 11.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 12.1e6b4d6f7df9d4580317634ea46d8208:
+array (
+  0 => '100',
+  1 => '25',
+  2 => '36',
+)
+ Result: true
+
+Test 13.cec115dc9850b98dfbdf102efa09e61b:
+array (
+  0 => 2,
+  1 => '30',
+  2 => 5,
+)
+ Result: true
+
+Test 14.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 15.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 16.49056308afb2b800363c5baa735ed247:
+array (
+  0 => 'ааа',
+  1 => 'абв',
+  2 => 'абг',
+  3 => 'abc',
+)
+ Result: true
+
+Test 17.91480b10473a0c96a4cd6d88c23c577a:
+array (
+  0 => 'а',
+  1 => 'аа',
+  2 => 'ааа',
+)
+ Result: true
+
+Test 18.fdd3fe3981476039164aa000bf9177f2:
+array (
+  0 => 'i',
+  1 => 'y',
+  2 => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/collator_sort_with_sort_keys.phpt b/ext/intl/tests/collator_sort_with_sort_keys.phpt
index 2f489d745c..8be9c97789 100644
--- a/ext/intl/tests/collator_sort_with_sort_keys.phpt
+++ b/ext/intl/tests/collator_sort_with_sort_keys.phpt
@@ -2,6 +2,7 @@
 sort_with_sort_keys()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt b/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt
new file mode 100644
index 0000000000..5257f8a6ff
--- /dev/null
+++ b/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt
@@ -0,0 +1,190 @@
+--TEST--
+sort_with_sort_keys()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort arrays in the given list using specified locale.
+ */
+function sort_arrays( $locale, $arrays )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $arrays as $array )
+    {
+        // Sort array values
+        $res_val = ut_coll_sort_with_sort_keys( $coll, $array );
+
+        // Concatenate the sorted array and function result
+        // with output string.
+        $res_dump = "\n" . dump( $array ) .
+                    "\n Result: " . dump( $res_val );
+        
+        
+        // Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abd', 'aaa' ),
+        array( 'm'  , '1'  , '_'   ),
+        array( 'a'  , 'aaa', 'aa'  ),
+        array( 'ba' , 'b'  , 'ab'  ),
+        array( 'e'  , 'c'  , 'a'   ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'd ' , 'f ' , ' a'  ),
+        array( 'a'  , null , '3'   ),
+        array( 'y'  , 'i'  , 'k'   )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'абг', 'абв', 'ааа', 'abc' ),
+        array( 'аа', 'ааа', 'а' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Array with data for sorting.
+    $test_params = array(
+        array( 'y'  , 'i'  , 'k'   )
+    );
+
+    // Sort an array using Lithuanian locale.
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.e8f1cd28133d79ecd660002f1c660d0e:
+array (
+  0 => 'aaa',
+  1 => 'abc',
+  2 => 'abd',
+)
+ Result: true
+
+Test 2.c2ded12173dd2996927378cae37eb275:
+array (
+  0 => '_',
+  1 => '1',
+  2 => 'm',
+)
+ Result: true
+
+Test 3.54071c968d71cb98c5d379145f8d7d38:
+array (
+  0 => 'a',
+  1 => 'aa',
+  2 => 'aaa',
+)
+ Result: true
+
+Test 4.19abe63d6f6dfef65b0e3c9ab4826b07:
+array (
+  0 => 'ab',
+  1 => 'b',
+  2 => 'ba',
+)
+ Result: true
+
+Test 5.9a8dc0a9bc771368c2f1fc3d02754610:
+array (
+  0 => 'a',
+  1 => 'c',
+  2 => 'e',
+)
+ Result: true
+
+Test 6.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 7.289bc2f28e87d3201ec9d7e8477ae1b0:
+array (
+  0 => ' a',
+  1 => 'd ',
+  2 => 'f ',
+)
+ Result: true
+
+Test 8.de0fd958484f2377a645835d7fbcf124:
+array (
+  0 => NULL,
+  1 => '3',
+  2 => 'a',
+)
+ Result: true
+
+Test 9.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 10.49056308afb2b800363c5baa735ed247:
+array (
+  0 => 'ааа',
+  1 => 'абв',
+  2 => 'абг',
+  3 => 'abc',
+)
+ Result: true
+
+Test 11.91480b10473a0c96a4cd6d88c23c577a:
+array (
+  0 => 'а',
+  1 => 'аа',
+  2 => 'ааа',
+)
+ Result: true
+
+Test 12.fdd3fe3981476039164aa000bf9177f2:
+array (
+  0 => 'i',
+  1 => 'y',
+  2 => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/dateformat_calendars.phpt b/ext/intl/tests/dateformat_calendars.phpt
index 6af02e51c1..2239af28df 100644
--- a/ext/intl/tests/dateformat_calendars.phpt
+++ b/ext/intl/tests/dateformat_calendars.phpt
@@ -4,8 +4,8 @@ IntlDateFormatter, calendars and time zone
 date.timezone=Atlantic/Azores
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl'))	die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_calendars_variant2.phpt b/ext/intl/tests/dateformat_calendars_variant2.phpt
new file mode 100644
index 0000000000..61cdea8408
--- /dev/null
+++ b/ext/intl/tests/dateformat_calendars_variant2.phpt
@@ -0,0 +1,45 @@
+--TEST--
+IntlDateFormatter, calendars and time zone
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php
+if (!extension_loaded('intl'))	die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$fmt1 = new IntlDateFormatter('en_US',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::TRADITIONAL);
+$fmt2 = new IntlDateFormatter('en_US',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::GREGORIAN);
+$fmt3 = new IntlDateFormatter('en_US@calendar=hebrew',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::TRADITIONAL);
+var_dump($fmt1->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt2->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt3->format(strtotime('2012-01-01 00:00:00 +0000')));
+
+new IntlDateFormatter('en_US@calendar=hebrew',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	-1);
+?>
+==DONE==
+--EXPECTF--
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(48) "Sunday, Tevet 6, 5772 AM at 5:12:00 AM GMT+05:12"
+
+Warning: IntlDateFormatter::__construct(): datefmt_create: invalid value for calendar type; it must be one of IntlDateFormatter::TRADITIONAL (locale's default calendar) or IntlDateFormatter::GREGORIAN. Alternatively, it can be an IntlCalendar object in %sdateformat_calendars_variant2.php on line %d
+==DONE==
diff --git a/ext/intl/tests/dateformat_create_cal_arg.phpt b/ext/intl/tests/dateformat_create_cal_arg.phpt
index 53fb084af9..a8f351247b 100644
--- a/ext/intl/tests/dateformat_create_cal_arg.phpt
+++ b/ext/intl/tests/dateformat_create_cal_arg.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter: several forms of the calendar arg
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl'))	die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_create_cal_arg_variant2.phpt b/ext/intl/tests/dateformat_create_cal_arg_variant2.phpt
new file mode 100644
index 0000000000..70b862017b
--- /dev/null
+++ b/ext/intl/tests/dateformat_create_cal_arg_variant2.phpt
@@ -0,0 +1,53 @@
+--TEST--
+IntlDateFormatter: several forms of the calendar arg
+--SKIPIF--
+<?php
+if (!extension_loaded('intl'))	die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", 'Atlantic/Azores');
+
+$ts = strtotime('2012-01-01 00:00:00 UTC');
+
+$cal = new IntlGregorianCalendar('UTC', NULL);
+$df = new IntlDateFormatter('es_ES', 0, 0, NULL, $cal);
+echo $df->format($ts), "\n";
+
+$cal = IntlCalendar::createInstance('UTC', 'en@calendar=islamic');
+$df = new IntlDateFormatter('es_ES', 0, 0, NULL, $cal);
+echo $df->format($ts), "\n";
+
+//override calendar's timezone
+$cal = new IntlGregorianCalendar('UTC', NULL);
+$df = new IntlDateFormatter('es_ES', 0, 0, 'Europe/Madrid', $cal);
+echo $df->format($ts), "\n";
+
+//default calendar is gregorian
+$df = new IntlDateFormatter('es_ES@calendar=islamic', 0, 0);
+echo $df->format($ts), "\n";
+
+//try now with traditional
+$df = new IntlDateFormatter('es_ES@calendar=islamic', 0, 0, NULL, IntlDateFormatter::TRADITIONAL);
+echo $df->format($ts), "\n";
+
+//the timezone can be overridden when not specifying a calendar
+$df = new IntlDateFormatter('es_ES@calendar=islamic', 0, 0, 'UTC', IntlDateFormatter::TRADITIONAL);
+echo $df->format($ts), "\n";
+
+$df = new IntlDateFormatter('es_ES', 0, 0, 'UTC', 0);
+echo $df->format($ts), "\n";
+
+?>
+==DONE==
+--EXPECTF--
+domingo%S 1 de enero de 2012 00:00:00 GMT
+domingo%S 8 de Safar de 1433 00:00:00 GMT
+domingo%S 1 de enero de 2012 01:00:00 Hora estándar de Europa central
+sábado%S 31 de diciembre de 2011 d.C. 23:00:00 Hora %Sde las Azores
+sábado%S 7 de Safar de 1433 AH 23:00:00 Hora %Sde las Azores
+domingo%S 8 de Safar de 1433 AH 00:00:00 GMT
+domingo%S 1 de enero de 2012 00:00:00 GMT
+==DONE==
diff --git a/ext/intl/tests/dateformat_format.phpt b/ext/intl/tests/dateformat_format.phpt
index 8664eea319..c3f6c297d9 100644
--- a/ext/intl/tests/dateformat_format.phpt
+++ b/ext/intl/tests/dateformat_format.phpt
@@ -2,6 +2,7 @@
 datefmt_format_code()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_formatObject_calendar.phpt b/ext/intl/tests/dateformat_formatObject_calendar.phpt
index 0c61e4f2d0..d3ab6260ff 100644
--- a/ext/intl/tests/dateformat_formatObject_calendar.phpt
+++ b/ext/intl/tests/dateformat_formatObject_calendar.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter::formatObject(): IntlCalendar tests

 --SKIPIF--

 <?php

-if (!extension_loaded('intl'))

-	die('skip intl extension not enabled');

+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--

 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_formatObject_calendar_variant2.phpt b/ext/intl/tests/dateformat_formatObject_calendar_variant2.phpt
new file mode 100644
index 0000000000..1ec1fa669a
--- /dev/null
+++ b/ext/intl/tests/dateformat_formatObject_calendar_variant2.phpt
@@ -0,0 +1,40 @@
+--TEST--

+IntlDateFormatter::formatObject(): IntlCalendar tests

+--SKIPIF--

+<?php

+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--

+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", "Europe/Lisbon");
+
+$cal = IntlCalendar::fromDateTime('2012-01-01 00:00:00'); //Europe/Lisbon
+echo IntlDateFormatter::formatObject($cal), "\n";
+echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
+echo IntlDateFormatter::formatObject($cal, null, "en-US"), "\n";
+echo IntlDateFormatter::formatObject($cal, array(IntlDateFormatter::SHORT, IntlDateFormatter::FULL), "en-US"), "\n";
+echo IntlDateFormatter::formatObject($cal, 'E y-MM-d HH,mm,ss.SSS v', "en-US"), "\n";
+
+$cal = IntlCalendar::fromDateTime('2012-01-01 05:00:00+03:00');
+echo datefmt_format_object($cal, IntlDateFormatter::FULL), "\n";
+
+$cal = IntlCalendar::createInstance(null,'en-US@calendar=islamic-civil');
+$cal->setTime(strtotime('2012-01-01 00:00:00')*1000.);
+echo IntlDateFormatter::formatObject($cal), "\n";
+echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL, "en-US"), "\n";
+
+?>
+==DONE==
+

+--EXPECTF--

+01/01/2012, 00:00:00
+Domingo, 1 de Janeiro de 2012 às 00:00:00 Hora %Sda Europa Ocidental
+Jan 1, 2012, 12:00:00 AM
+1/1/12, 12:00:00 AM Western European Standard %STime
+Sun 2012-01-1 00,00,00.000 Portugal Time
+Domingo, 1 de Janeiro de 2012 às 05:00:00 GMT+03:00
+06/02/1433, 00:00:00
+Sunday, Safar 6, 1433 at 12:00:00 AM Western European Standard Time
+==DONE==
diff --git a/ext/intl/tests/dateformat_formatObject_datetime.phpt b/ext/intl/tests/dateformat_formatObject_datetime.phpt
index 6427ad5a98..d9ddb0e644 100644
--- a/ext/intl/tests/dateformat_formatObject_datetime.phpt
+++ b/ext/intl/tests/dateformat_formatObject_datetime.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter::formatObject(): DateTime tests

 --SKIPIF--

 <?php

-if (!extension_loaded('intl'))

-	die('skip intl extension not enabled');

+if (!extension_loaded('intl')) die('skip intl extension not enabled') ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--

 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_formatObject_datetime_variant2.phpt b/ext/intl/tests/dateformat_formatObject_datetime_variant2.phpt
new file mode 100644
index 0000000000..2ca9ffd7e8
--- /dev/null
+++ b/ext/intl/tests/dateformat_formatObject_datetime_variant2.phpt
@@ -0,0 +1,33 @@
+--TEST--

+IntlDateFormatter::formatObject(): DateTime tests

+--SKIPIF--

+<?php

+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--

+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", "Europe/Lisbon");
+
+$dt = new DateTime('2012-01-01 00:00:00'); //Europe/Lisbon
+echo IntlDateFormatter::formatObject($dt), "\n";
+echo IntlDateFormatter::formatObject($dt, IntlDateFormatter::FULL), "\n";
+echo IntlDateFormatter::formatObject($dt, null, "en-US"), "\n";
+echo IntlDateFormatter::formatObject($dt, array(IntlDateFormatter::SHORT, IntlDateFormatter::FULL), "en-US"), "\n";
+echo IntlDateFormatter::formatObject($dt, 'E y-MM-d HH,mm,ss.SSS v', "en-US"), "\n";
+
+$dt = new DateTime('2012-01-01 05:00:00+03:00');
+echo IntlDateFormatter::formatObject($dt, IntlDateFormatter::FULL), "\n";
+
+?>
+==DONE==
+

+--EXPECTF--

+01/01/2012, 00:00:00
+Domingo, 1 de Janeiro de 2012 às 00:00:00 Hora %Sda Europa Ocidental
+Jan 1, 2012, 12:00:00 AM
+1/1/12, 12:00:00 AM Western European Standard %STime
+Sun 2012-01-1 00,00,00.000 Portugal Time
+Domingo, 1 de Janeiro de 2012 às 05:00:00 GMT+03:00
+==DONE==
diff --git a/ext/intl/tests/dateformat_format_parse.phpt b/ext/intl/tests/dateformat_format_parse.phpt
index 6bd3d8a8ff..dfb479e937 100644
--- a/ext/intl/tests/dateformat_format_parse.phpt
+++ b/ext/intl/tests/dateformat_format_parse.phpt
@@ -2,6 +2,7 @@
 datefmt_format_code() and datefmt_parse_code()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_format_parse_version2.phpt b/ext/intl/tests/dateformat_format_parse_version2.phpt
new file mode 100644
index 0000000000..8c6f00ef54
--- /dev/null
+++ b/ext/intl/tests/dateformat_format_parse_version2.phpt
@@ -0,0 +1,295 @@
+--TEST--
+datefmt_format_code() and datefmt_parse_code()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Test for the datefmt_format  function
+ */
+
+
+function ut_main()
+{
+	$timezone = 'GMT+05:00'; 
+
+	$locale_arr = array (
+		'en_US'
+	);
+	
+	$datetype_arr = array (
+                IntlDateFormatter::FULL,
+                IntlDateFormatter::LONG,
+                IntlDateFormatter::MEDIUM
+        );
+
+        $res_str = '';
+
+
+	$time_arr = array (
+		0,
+		-1200000,
+		1200000,
+		2200000000,
+		-2200000000,
+		90099999,
+		3600,
+		-3600
+	);
+
+	$localtime_arr1 = array (
+	    'tm_sec' => 24 ,
+	    'tm_min' => 3,
+	    'tm_hour' => 19,
+	    'tm_mday' => 3,
+	    'tm_mon' => 3,
+	    'tm_year' => 105,
+	);
+	$localtime_arr2 = array (
+	    'tm_sec' => 21,
+	    'tm_min' => 5,
+	    'tm_hour' => 7,
+	    'tm_mday' => 13,
+	    'tm_mon' => 7,
+	    'tm_year' => 205,
+	);
+	$localtime_arr3 = array (
+            'tm_sec' => 11,
+            'tm_min' => 13,
+            'tm_hour' => 0,
+            'tm_mday' => 17,
+            'tm_mon' => 11,
+            'tm_year' => -5
+        );
+
+	$localtime_arr = array (
+		$localtime_arr1,
+		$localtime_arr2,
+		$localtime_arr3
+	);
+
+	//Test format and parse with a timestamp : long
+	foreach( $time_arr as $timestamp_entry){
+		$res_str .= "\n------------\n";
+		$res_str .= "\nInput timestamp is : $timestamp_entry";
+		$res_str .= "\n------------\n";
+		foreach( $locale_arr as $locale_entry ){
+			foreach( $datetype_arr as $datetype_entry ) {
+				$res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+				$fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry,$timezone);
+				$formatted = ut_datefmt_format( $fmt , $timestamp_entry);
+				$res_str .= "\nFormatted timestamp is : $formatted";
+				$parsed = ut_datefmt_parse( $fmt , $formatted);
+				if( intl_get_error_code() == U_ZERO_ERROR){
+					$res_str .= "\nParsed timestamp is : $parsed";
+				}else{
+					$res_str .= "\nError while parsing as: '".intl_get_error_message()."'";
+				}
+			}
+		}
+	}
+
+	//Test format and parse with a localtime :array
+	foreach( $localtime_arr as $localtime_entry){
+		$res_str .= "\n------------\n";
+		$res_str .= "\nInput localtime is : ";
+		foreach( $localtime_entry as $key => $value){
+                    $res_str .= "$key : '$value' , ";
+		}
+
+		$res_str .= "\n------------\n";
+		foreach( $locale_arr as $locale_entry ){
+			foreach( $datetype_arr as $datetype_entry ) {
+				$res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+				$fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry,$timezone);
+				$formatted1 = ut_datefmt_format( $fmt , $localtime_entry);
+				if( intl_get_error_code() == U_ZERO_ERROR){
+					$res_str .= "\nFormatted localtime_array is : $formatted1";
+				}else{
+					$res_str .= "\nError while formatting as: '".intl_get_error_message()."'";
+				}
+				//Parsing
+				$parsed_arr = ut_datefmt_localtime( $fmt, $formatted1 );
+
+				if( $parsed_arr){
+				    $res_str .= "\nParsed array is: ";
+				    foreach( $parsed_arr as $key => $value){
+					    $res_str .= "$key : '$value' , ";
+				    }
+				}
+/*
+				else{
+				    //$res_str .= "No values found from LocaleTime parsing.";
+				    $res_str .= "\tError : '".intl_get_error_message()."'";
+				}
+*/
+			}
+		}
+	}
+
+	return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECT--
+------------
+
+Input timestamp is : 0
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 5:00:00 AM GMT+05:00
+Parsed timestamp is : 0
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 5:00:00 AM GMT+5
+Parsed timestamp is : 0
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 5:00:00 AM
+Parsed timestamp is : 0
+------------
+
+Input timestamp is : -1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, December 18, 1969 at 7:40:00 AM GMT+05:00
+Parsed timestamp is : -1200000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 18, 1969 at 7:40:00 AM GMT+5
+Parsed timestamp is : -1200000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 18, 1969, 7:40:00 AM
+Parsed timestamp is : -1200000
+------------
+
+Input timestamp is : 1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 15, 1970 at 2:20:00 AM GMT+05:00
+Parsed timestamp is : 1200000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 15, 1970 at 2:20:00 AM GMT+5
+Parsed timestamp is : 1200000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 15, 1970, 2:20:00 AM
+Parsed timestamp is : 1200000
+------------
+
+Input timestamp is : 2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Monday, September 19, 2039 at 4:06:40 AM GMT+05:00
+Parsed timestamp is : 2200000000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : September 19, 2039 at 4:06:40 AM GMT+5
+Parsed timestamp is : 2200000000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Sep 19, 2039, 4:06:40 AM
+Parsed timestamp is : 2200000000
+------------
+
+Input timestamp is : -2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Sunday, April 15, 1900 at 5:53:20 AM GMT+05:00
+Parsed timestamp is : -2200000000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : April 15, 1900 at 5:53:20 AM GMT+5
+Parsed timestamp is : -2200000000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Apr 15, 1900, 5:53:20 AM
+Parsed timestamp is : -2200000000
+------------
+
+Input timestamp is : 90099999
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, November 9, 1972 at 12:46:39 AM GMT+05:00
+Parsed timestamp is : 90099999
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : November 9, 1972 at 12:46:39 AM GMT+5
+Parsed timestamp is : 90099999
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Nov 9, 1972, 12:46:39 AM
+Parsed timestamp is : 90099999
+------------
+
+Input timestamp is : 3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 6:00:00 AM GMT+05:00
+Parsed timestamp is : 3600
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 6:00:00 AM GMT+5
+Parsed timestamp is : 3600
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 6:00:00 AM
+Parsed timestamp is : 3600
+------------
+
+Input timestamp is : -3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 4:00:00 AM GMT+05:00
+Parsed timestamp is : -3600
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 4:00:00 AM GMT+5
+Parsed timestamp is : -3600
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 4:00:00 AM
+Parsed timestamp is : -3600
+------------
+
+Input localtime is : tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_mday : '3' , tm_mon : '3' , tm_year : '105' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Sunday, April 3, 2005 at 7:03:24 PM GMT+05:00
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : April 3, 2005 at 7:03:24 PM GMT+5
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Apr 3, 2005, 7:03:24 PM
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+------------
+
+Input localtime is : tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_mday : '13' , tm_mon : '7' , tm_year : '205' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Thursday, August 13, 2105 at 7:05:21 AM GMT+05:00
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : August 13, 2105 at 7:05:21 AM GMT+5
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Aug 13, 2105, 7:05:21 AM
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+------------
+
+Input localtime is : tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_mday : '17' , tm_mon : '11' , tm_year : '-5' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Tuesday, December 17, 1895 at 12:13:11 AM GMT+05:00
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : December 17, 1895 at 12:13:11 AM GMT+5
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Dec 17, 1895, 12:13:11 AM
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' ,
diff --git a/ext/intl/tests/dateformat_format_variant2.phpt b/ext/intl/tests/dateformat_format_variant2.phpt
new file mode 100644
index 0000000000..7c5bcfcfd4
--- /dev/null
+++ b/ext/intl/tests/dateformat_format_variant2.phpt
@@ -0,0 +1,423 @@
+--TEST--
+datefmt_format_code()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+//ini_set("intl.error_level", E_WARNING);
+
+/*
+ * Test for the datefmt_format  function
+ */
+
+
+function ut_main()
+{
+	$timezone = 'GMT-10:00';
+
+	$locale_arr = array (
+		'en_US'
+	);
+	
+	$datetype_arr = array (
+                IntlDateFormatter::FULL,
+                IntlDateFormatter::LONG,
+                IntlDateFormatter::MEDIUM,
+                IntlDateFormatter::SHORT,
+                IntlDateFormatter::NONE
+        );
+
+        $res_str = '';
+
+
+	$time_arr = array (
+		0,
+		-1200000,
+		1200000,
+		2200000000.0,
+		-2200000000.0,
+		90099999,
+		3600,
+		-3600
+	);
+
+	$localtime_arr1 = array (
+	    'tm_sec' => 24 ,
+	    'tm_min' => 3,
+	    'tm_hour' => 19,
+	    'tm_mday' => 3,
+	    'tm_mon' => 3,
+	    'tm_year' => 105,
+	);
+	$localtime_arr2 = array (
+	    'tm_sec' => 21,
+	    'tm_min' => 5,
+	    'tm_hour' => 7,
+	    'tm_mday' => 13,
+	    'tm_mon' => 4,
+	    'tm_year' => 205,
+	);
+	$localtime_arr3 = array (
+            'tm_sec' => 11,
+            'tm_min' => 13,
+            'tm_hour' => 0,
+            'tm_mday' => 17,
+            'tm_mon' => 11,
+            'tm_year' => -5
+        );
+
+	$localtime_arr = array (
+		$localtime_arr1,
+		$localtime_arr2,
+		$localtime_arr3
+	);
+	
+	$d1 = new DateTime("2010-01-01 01:02:03", new DateTimeZone("UTC"));
+	$d2 = new DateTime("2000-12-31 03:04:05", new DateTimeZone("UTC"));
+	$d2->setTimezone(new DateTimeZone("PDT"));
+	$dates = array(
+		$d1, 
+		$d2,
+		new StdClass(),
+	);
+
+	//Test format with input as a timestamp : integer
+	foreach( $time_arr as $timestamp_entry){
+		$res_str .= "\n------------\n";
+		$res_str .= "\nInput timestamp is : $timestamp_entry";
+		$res_str .= "\n------------\n";
+		foreach( $locale_arr as $locale_entry ){
+			foreach( $datetype_arr as $datetype_entry )
+	{
+		$res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+		$fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry, $timezone, IntlDateFormatter::GREGORIAN);
+		$formatted = ut_datefmt_format( $fmt , $timestamp_entry);
+		$res_str .= "\nFormatted timestamp is : $formatted";
+	}
+	}
+	}
+
+	//Test format with input as a localtime :array
+	foreach( $localtime_arr as $localtime_entry){
+		$res_str .= "\n------------\n";
+		$res_str .= "\nInput localtime is : ";
+		foreach( $localtime_entry as $key => $value){
+                    $res_str .= "$key : '$value' , ";
+		}
+
+		$res_str .= "\n------------\n";
+		foreach( $locale_arr as $locale_entry ){
+			foreach( $datetype_arr as $datetype_entry )
+	{
+		$res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+		$fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry, $timezone, IntlDateFormatter::GREGORIAN );
+		$formatted1 = ut_datefmt_format( $fmt , $localtime_entry);
+		if( intl_get_error_code() == U_ZERO_ERROR){
+			$res_str .= "\nFormatted localtime_array is : $formatted1";
+		}else{
+			$res_str .= "\nError while formatting as: '".intl_get_error_message()."'";
+		}
+	}
+	}
+	}
+
+	foreach($dates as $date_entry) {
+		foreach( $locale_arr as $locale_entry ){
+			foreach( $datetype_arr as $datetype_entry ) {
+				$res_str .= "\n------------";
+				$res_str .= "\nDate is: ".var_export($date_entry, true);
+				$res_str .= "\n------------";
+				
+				$fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry, $timezone, IntlDateFormatter::GREGORIAN );
+				$formatted1 = ut_datefmt_format( $fmt , $date_entry);
+				if( intl_get_error_code() == U_ZERO_ERROR){
+					$res_str .= "\nFormatted DateTime is : $formatted1";
+				}else{
+					$res_str .= "\nError while formatting as: '".intl_get_error_message()."'";
+				}
+			}
+		}
+	}
+
+	return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECT--
+------------
+
+Input timestamp is : 0
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, December 31, 1969 at 2:00:00 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 31, 1969 at 2:00:00 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 31, 1969, 2:00:00 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 12/31/69, 2:00 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19691231 02:00 PM
+------------
+
+Input timestamp is : -1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, December 17, 1969 at 4:40:00 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 17, 1969 at 4:40:00 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 17, 1969, 4:40:00 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 12/17/69, 4:40 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19691217 04:40 PM
+------------
+
+Input timestamp is : 1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, January 14, 1970 at 11:20:00 AM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 14, 1970 at 11:20:00 AM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 14, 1970, 11:20:00 AM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 1/14/70, 11:20 AM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19700114 11:20 AM
+------------
+
+Input timestamp is : 2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Sunday, September 18, 2039 at 1:06:40 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : September 18, 2039 at 1:06:40 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Sep 18, 2039, 1:06:40 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 9/18/39, 1:06 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 20390918 01:06 PM
+------------
+
+Input timestamp is : -2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Saturday, April 14, 1900 at 2:53:20 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : April 14, 1900 at 2:53:20 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Apr 14, 1900, 2:53:20 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 4/14/00, 2:53 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19000414 02:53 PM
+------------
+
+Input timestamp is : 90099999
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, November 8, 1972 at 9:46:39 AM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : November 8, 1972 at 9:46:39 AM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Nov 8, 1972, 9:46:39 AM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 11/8/72, 9:46 AM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19721108 09:46 AM
+------------
+
+Input timestamp is : 3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, December 31, 1969 at 3:00:00 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 31, 1969 at 3:00:00 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 31, 1969, 3:00:00 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 12/31/69, 3:00 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19691231 03:00 PM
+------------
+
+Input timestamp is : -3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Wednesday, December 31, 1969 at 1:00:00 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 31, 1969 at 1:00:00 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 31, 1969, 1:00:00 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted timestamp is : 12/31/69, 1:00 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted timestamp is : 19691231 01:00 PM
+------------
+
+Input localtime is : tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_mday : '3' , tm_mon : '3' , tm_year : '105' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Sunday, April 3, 2005 at 7:03:24 PM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : April 3, 2005 at 7:03:24 PM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Apr 3, 2005, 7:03:24 PM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted localtime_array is : 4/3/05, 7:03 PM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted localtime_array is : 20050403 07:03 PM
+------------
+
+Input localtime is : tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_mday : '13' , tm_mon : '4' , tm_year : '205' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Wednesday, May 13, 2105 at 7:05:21 AM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : May 13, 2105 at 7:05:21 AM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : May 13, 2105, 7:05:21 AM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted localtime_array is : 5/13/05, 7:05 AM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted localtime_array is : 21050513 07:05 AM
+------------
+
+Input localtime is : tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_mday : '17' , tm_mon : '11' , tm_year : '-5' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Tuesday, December 17, 1895 at 12:13:11 AM GMT-10:00
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : December 17, 1895 at 12:13:11 AM GMT-10
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Dec 17, 1895, 12:13:11 AM
+IntlDateFormatter locale= en_US ,datetype = 3 ,timetype =3 
+Formatted localtime_array is : 12/17/95, 12:13 AM
+IntlDateFormatter locale= en_US ,datetype = -1 ,timetype =-1 
+Formatted localtime_array is : 18951217 12:13 AM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2010-01-01 01:02:03',
+   'timezone_type' => 3,
+   'timezone' => 'UTC',
+))
+------------
+Formatted DateTime is : Thursday, December 31, 2009 at 3:02:03 PM GMT-10:00
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2010-01-01 01:02:03',
+   'timezone_type' => 3,
+   'timezone' => 'UTC',
+))
+------------
+Formatted DateTime is : December 31, 2009 at 3:02:03 PM GMT-10
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2010-01-01 01:02:03',
+   'timezone_type' => 3,
+   'timezone' => 'UTC',
+))
+------------
+Formatted DateTime is : Dec 31, 2009, 3:02:03 PM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2010-01-01 01:02:03',
+   'timezone_type' => 3,
+   'timezone' => 'UTC',
+))
+------------
+Formatted DateTime is : 12/31/09, 3:02 PM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2010-01-01 01:02:03',
+   'timezone_type' => 3,
+   'timezone' => 'UTC',
+))
+------------
+Formatted DateTime is : 20091231 03:02 PM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2000-12-30 19:04:05',
+   'timezone_type' => 3,
+   'timezone' => 'America/Los_Angeles',
+))
+------------
+Formatted DateTime is : Saturday, December 30, 2000 at 5:04:05 PM GMT-10:00
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2000-12-30 19:04:05',
+   'timezone_type' => 3,
+   'timezone' => 'America/Los_Angeles',
+))
+------------
+Formatted DateTime is : December 30, 2000 at 5:04:05 PM GMT-10
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2000-12-30 19:04:05',
+   'timezone_type' => 3,
+   'timezone' => 'America/Los_Angeles',
+))
+------------
+Formatted DateTime is : Dec 30, 2000, 5:04:05 PM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2000-12-30 19:04:05',
+   'timezone_type' => 3,
+   'timezone' => 'America/Los_Angeles',
+))
+------------
+Formatted DateTime is : 12/30/00, 5:04 PM
+------------
+Date is: DateTime::__set_state(array(
+   'date' => '2000-12-30 19:04:05',
+   'timezone_type' => 3,
+   'timezone' => 'America/Los_Angeles',
+))
+------------
+Formatted DateTime is : 20001230 05:04 PM
+------------
+Date is: stdClass::__set_state(array(
+))
+------------
+Error while formatting as: 'datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR'
+------------
+Date is: stdClass::__set_state(array(
+))
+------------
+Error while formatting as: 'datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR'
+------------
+Date is: stdClass::__set_state(array(
+))
+------------
+Error while formatting as: 'datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR'
+------------
+Date is: stdClass::__set_state(array(
+))
+------------
+Error while formatting as: 'datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR'
+------------
+Date is: stdClass::__set_state(array(
+))
+------------
+Error while formatting as: 'datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR'
diff --git a/ext/intl/tests/dateformat_get_set_calendar.phpt b/ext/intl/tests/dateformat_get_set_calendar.phpt
index dbb3e6cd23..f91fe5c775 100644
--- a/ext/intl/tests/dateformat_get_set_calendar.phpt
+++ b/ext/intl/tests/dateformat_get_set_calendar.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter: setCalendar()/getCalendar()/getCalendarObject()
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_get_set_calendar_variant2.phpt b/ext/intl/tests/dateformat_get_set_calendar_variant2.phpt
new file mode 100644
index 0000000000..1c5169e65d
--- /dev/null
+++ b/ext/intl/tests/dateformat_get_set_calendar_variant2.phpt
@@ -0,0 +1,55 @@
+--TEST--
+IntlDateFormatter: setCalendar()/getCalendar()/getCalendarObject()
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", 'Atlantic/Azores');
+
+$ts = strtotime('2012-01-01 00:00:00 UTC');
+
+function d(IntlDateFormatter $df) {
+global $ts;
+echo $df->format($ts), "\n";
+var_dump($df->getCalendar(),
+$df->getCalendarObject()->getType(),
+$df->getCalendarObject()->getTimeZone()->getId());
+echo "\n";
+}
+
+$df = new IntlDateFormatter('fr@calendar=islamic', 0, 0, 'Europe/Minsk');
+d($df);
+
+
+//changing the calendar with a cal type should not change tz
+$df->setCalendar(IntlDateFormatter::TRADITIONAL);
+d($df);
+
+//but changing with an actual calendar should
+$cal = IntlCalendar::createInstance("UTC");
+$df->setCalendar($cal);
+d($df);
+
+?>
+==DONE==
+--EXPECT--
+dimanche 1 janvier 2012 ap. J.-C. 03:00:00 UTC+03:00
+int(1)
+string(9) "gregorian"
+string(12) "Europe/Minsk"
+
+dimanche 8 safar 1433 AH 03:00:00 UTC+03:00
+int(0)
+string(7) "islamic"
+string(12) "Europe/Minsk"
+
+dimanche 1 janvier 2012 ap. J.-C. 00:00:00 UTC
+bool(false)
+string(9) "gregorian"
+string(3) "UTC"
+
+==DONE==
diff --git a/ext/intl/tests/dateformat_get_set_timezone.phpt b/ext/intl/tests/dateformat_get_set_timezone.phpt
index 41aa35b9cf..2a7ffa6c73 100644
--- a/ext/intl/tests/dateformat_get_set_timezone.phpt
+++ b/ext/intl/tests/dateformat_get_set_timezone.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter: get/setTimeZone()
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_get_set_timezone_variant2.phpt b/ext/intl/tests/dateformat_get_set_timezone_variant2.phpt
new file mode 100644
index 0000000000..af9ddf29a4
--- /dev/null
+++ b/ext/intl/tests/dateformat_get_set_timezone_variant2.phpt
@@ -0,0 +1,62 @@
+--TEST--
+IntlDateFormatter: get/setTimeZone()
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", 'Atlantic/Azores');
+
+$ts = strtotime('2012-01-01 00:00:00 UTC');
+
+function d(IntlDateFormatter $df) {
+global $ts;
+echo $df->format($ts), "\n";
+var_dump(
+$df->getTimeZoneID(),
+$df->getTimeZone()->getID());
+echo "\n";
+}
+
+$df = new IntlDateFormatter('pt_PT', 0, 0, 'Europe/Minsk');
+d($df);
+
+$df->setTimeZone(NULL);
+d($df);
+
+$df->setTimeZone('Europe/Madrid');
+d($df);
+
+$df->setTimeZone(IntlTimeZone::createTimeZone('Europe/Paris'));
+d($df);
+
+$df->setTimeZone(new DateTimeZone('Europe/Amsterdam'));
+d($df);
+
+?>
+==DONE==
+--EXPECTF--
+Domingo, 1 de Janeiro de 2012 às 03:00:00 GMT+03:00
+string(12) "Europe/Minsk"
+string(12) "Europe/Minsk"
+
+Sábado, 31 de Dezembro de 2011 às 23:00:00 Hor%s %Sdos Açores
+string(15) "Atlantic/Azores"
+string(15) "Atlantic/Azores"
+
+Domingo, 1 de Janeiro de 2012 às 01:00:00 Hor%s %Sda Europa Central
+string(13) "Europe/Madrid"
+string(13) "Europe/Madrid"
+
+Domingo, 1 de Janeiro de 2012 às 01:00:00 Hor%s %Sda Europa Central
+string(12) "Europe/Paris"
+string(12) "Europe/Paris"
+
+Domingo, 1 de Janeiro de 2012 às 01:00:00 Hor%s %Sda Europa Central
+string(16) "Europe/Amsterdam"
+string(16) "Europe/Amsterdam"
+
+==DONE==
diff --git a/ext/intl/tests/dateformat_set_timezone_id2.phpt b/ext/intl/tests/dateformat_set_timezone_id2.phpt
index ce9b89d1fd..a1ee440e71 100644
--- a/ext/intl/tests/dateformat_set_timezone_id2.phpt
+++ b/ext/intl/tests/dateformat_set_timezone_id2.phpt
@@ -5,6 +5,7 @@ date.timezone=Atlantic/Azores
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_set_timezone_id3.phpt b/ext/intl/tests/dateformat_set_timezone_id3.phpt
new file mode 100644
index 0000000000..b3968f9ac0
--- /dev/null
+++ b/ext/intl/tests/dateformat_set_timezone_id3.phpt
@@ -0,0 +1,85 @@
+--TEST--
+datefmt_set_timezone_id_code() icu >= 4.8
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+ini_set("intl.error_level", E_WARNING);
+ini_set("error_reporting", ~E_DEPRECATED);
+
+/*
+ * Test for the datefmt_set_timezone_id  function
+ */
+
+
+function ut_main()
+{
+	$timezone_id_arr = array (
+		'America/New_York',
+		'America/Los_Angeles',
+		'America/Chicago',
+		'CN'
+	);
+	$timestamp_entry = 0;
+
+	$res_str = '';
+
+	$fmt = ut_datefmt_create( "en_US",  IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'US/Pacific' , IntlDateFormatter::GREGORIAN  );
+	$timezone_id = ut_datefmt_get_timezone_id( $fmt );
+	$res_str .= "\nAfter creation of the dateformatter :  timezone_id= $timezone_id\n";
+
+	foreach( $timezone_id_arr as $timezone_id_entry )
+	{
+
+		$res_str .= "-----------";
+		$res_str .= "\nTrying to set timezone_id= $timezone_id_entry";
+		ut_datefmt_set_timezone_id( $fmt , $timezone_id_entry );
+		$timezone_id = ut_datefmt_get_timezone_id( $fmt );
+		$res_str .= "\nAfter call to set_timezone_id :  timezone_id= $timezone_id";
+		$formatted = ut_datefmt_format( $fmt, 0);
+		$res_str .= "\nFormatting timestamp=0 resulted in  $formatted";
+		$formatted = ut_datefmt_format( $fmt, 3600);
+		$res_str .= "\nFormatting timestamp=3600 resulted in  $formatted";
+		$res_str .= "\n";
+
+	}
+
+	return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECTF--
+Warning: IntlDateFormatter::setTimeZoneId(): datefmt_set_timezone: no such time zone: 'CN' in %sut_common.inc on line %d
+
+Warning: datefmt_set_timezone_id(): datefmt_set_timezone: no such time zone: 'CN' in %sut_common.inc on line %d
+
+After creation of the dateformatter :  timezone_id= US/Pacific
+-----------
+Trying to set timezone_id= America/New_York
+After call to set_timezone_id :  timezone_id= America/New_York
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Eastern Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 8:00:00 PM Eastern Standard Time
+-----------
+Trying to set timezone_id= America/Los_Angeles
+After call to set_timezone_id :  timezone_id= America/Los_Angeles
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 4:00:00 PM Pacific Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 5:00:00 PM Pacific Standard Time
+-----------
+Trying to set timezone_id= America/Chicago
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
+-----------
+Trying to set timezone_id= CN
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
diff --git a/ext/intl/tests/dateformat_timezone_arg_variations.phpt b/ext/intl/tests/dateformat_timezone_arg_variations.phpt
index ccfb5e1964..9fbb145c72 100644
--- a/ext/intl/tests/dateformat_timezone_arg_variations.phpt
+++ b/ext/intl/tests/dateformat_timezone_arg_variations.phpt
@@ -2,8 +2,8 @@
 IntlDateFormatter: several forms of the timezone arg
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_timezone_arg_variations2.phpt b/ext/intl/tests/dateformat_timezone_arg_variations2.phpt
new file mode 100644
index 0000000000..a957963a44
--- /dev/null
+++ b/ext/intl/tests/dateformat_timezone_arg_variations2.phpt
@@ -0,0 +1,45 @@
+--TEST--
+IntlDateFormatter: several forms of the timezone arg
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("date.timezone", 'Atlantic/Azores');
+
+$ts = strtotime('2012-01-01 00:00:00 UTC');
+
+//should use Atlantic/Azores
+$df = new IntlDateFormatter('es_ES', 0, 0, NULL);
+echo $df->format($ts), "\n";
+
+$df = new IntlDateFormatter('es_ES', 0, 0, 'Europe/Amsterdam');
+echo $df->format($ts), "\n";
+
+$df = new IntlDateFormatter('es_ES', 0, 0, new DateTimeZone('Europe/Lisbon'));
+echo $df->format($ts), "\n";
+
+$df = new IntlDateFormatter('es_ES', 0, 0, IntlTimeZone::createTimeZone('America/New_York'));
+echo $df->format($ts), "\n";
+
+//time zone has priority
+$df = new IntlDateFormatter('es_ES', 0, 0, 'Europe/Amsterdam', new IntlGregorianCalendar('Europe/Lisbon'));
+echo $df->format($ts), "\n";
+
+//calendar has priority
+$df = new IntlDateFormatter('es_ES', 0, 0, NULL, new IntlGregorianCalendar('Europe/Lisbon'));
+echo $df->format($ts), "\n";
+
+$df = new IntlDateFormatter('es_ES', 0, 0, 'Europe/Amsterdam', 0);
+echo $df->format($ts), "\n";
+
+--EXPECTF--
+sábado%S, 31 de diciembre de 2011 23:00:00 Hora estándar de las Azores
+domingo%S, 1 de enero de 2012 01:00:00 Hora estándar de Europa central
+domingo%S, 1 de enero de 2012 00:00:00 Hora%S de Europa occidental
+sábado%S, 31 de diciembre de 2011 19:00:00 Hora estándar oriental
+domingo%S, 1 de enero de 2012 01:00:00 Hora estándar de Europa central
+domingo%S, 1 de enero de 2012 00:00:00 Hora%S de Europa occidental
+domingo%S, 1 de enero de 2012 01:00:00 Hora estándar de Europa central
diff --git a/ext/intl/tests/formatter_get_locale.phpt b/ext/intl/tests/formatter_get_locale.phpt
index 3d4fb2ae4e..7474eabbba 100644
--- a/ext/intl/tests/formatter_get_locale.phpt
+++ b/ext/intl/tests/formatter_get_locale.phpt
@@ -2,6 +2,7 @@
 numfmt_get_locale()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/formatter_get_locale_variant2.phpt b/ext/intl/tests/formatter_get_locale_variant2.phpt
new file mode 100644
index 0000000000..9d25d1cf90
--- /dev/null
+++ b/ext/intl/tests/formatter_get_locale_variant2.phpt
@@ -0,0 +1,50 @@
+--TEST--
+numfmt_get_locale()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Get locale.
+ */
+
+function ut_main()
+{
+    $locales = array(
+        'en_UK',
+        'en_US@California',
+        'fr_CA',
+    );
+
+    $loc_types = array(
+        Locale::ACTUAL_LOCALE    => 'actual',
+        Locale::VALID_LOCALE     => 'valid',
+    );
+
+    $res_str = '';
+
+    foreach( $locales as $locale )
+    {
+        $fmt = ut_nfmt_create( $locale, NumberFormatter::DECIMAL );
+        $res_str .= "$locale: ";
+        foreach( $loc_types as $loc_type => $loc_type_name )
+            $res_str .= sprintf( " %s=%s",
+            $loc_type_name,
+            dump( ut_nfmt_get_locale( $fmt, $loc_type ) ) );
+        $res_str .= "\n";
+    }
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECT--
+en_UK:  actual='en' valid='en'
+en_US@California:  actual='en' valid='en'
+fr_CA:  actual='fr' valid='fr_CA'
diff --git a/ext/intl/tests/locale_filter_matches2.phpt b/ext/intl/tests/locale_filter_matches2.phpt
index 37f9e5a377..12d247dc6b 100644
--- a/ext/intl/tests/locale_filter_matches2.phpt
+++ b/ext/intl/tests/locale_filter_matches2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_filter_matches.phpt() icu >= 4.8
+locale_filter_matches.phpt() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_filter_matches3.phpt b/ext/intl/tests/locale_filter_matches3.phpt
new file mode 100644
index 0000000000..4c1d4d3898
--- /dev/null
+++ b/ext/intl/tests/locale_filter_matches3.phpt
@@ -0,0 +1,366 @@
+--TEST--
+locale_filter_matches.phpt() ICU >= 51.2 
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try parsing different Locales  
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+	$loc_ranges = array(
+		'de-de',
+		'sl_IT',
+		'sl_IT_Nedis',
+		'jbo',
+		'art-lojban',
+		'sl_IT'
+	);
+	
+	$lang_tags = array(
+		'de-DEVA',
+		'de-DE-1996',
+		'de-DE',
+		'zh_Hans',
+		'de-CH-1996',
+		'sl_IT',
+		'sl_IT_nedis-a-kirti-x-xyz',
+		'sl_IT_rozaj',
+		'sl_IT_NEDIS_ROJAZ_1901',
+		'i-enochian',
+		'sgn-CH-de',
+		'art-lojban',
+		'i-lux',
+		'art-lojban',
+		'jbo',
+		'en_sl_IT'
+	);
+
+    $res_str = '';
+    $isCanonical = false;
+	foreach($loc_ranges as $loc_range){
+		foreach($lang_tags as $lang_tag){
+			$res_str .="--------------\n";
+			$result= ut_loc_locale_filter_matches( $lang_tag , $loc_range , $isCanonical);
+			$res_str .= "loc_range:$loc_range matches lang_tag $lang_tag ? ";
+			if( $result){	
+				$res_str .= "YES\n";
+			}else{
+				$res_str .= "NO\n";
+			}
+//canonicalized version
+			$result= ut_loc_locale_filter_matches( $lang_tag , $loc_range , !($isCanonical));
+			$can_loc_range = ut_loc_canonicalize($loc_range);
+			$can_lang_tag = ut_loc_canonicalize($lang_tag);
+			$res_str .= "loc_range:$can_loc_range canonically matches lang_tag $can_lang_tag ? ";
+			if( $result){	
+				$res_str .= "YES\n";
+			}else{
+				$res_str .= "NO\n";
+			}
+		}
+	}
+
+	$res_str .= "\n";
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECT--
+--------------
+loc_range:de-de matches lang_tag de-DEVA ? NO
+loc_range:de_DE canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:de-de matches lang_tag de-DE-1996 ? YES
+loc_range:de_DE canonically matches lang_tag de_DE_1996 ? YES
+--------------
+loc_range:de-de matches lang_tag de-DE ? YES
+loc_range:de_DE canonically matches lang_tag de_DE ? YES
+--------------
+loc_range:de-de matches lang_tag zh_Hans ? NO
+loc_range:de_DE canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:de-de matches lang_tag de-CH-1996 ? NO
+loc_range:de_DE canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_rozaj ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:de-de matches lang_tag i-enochian ? NO
+loc_range:de_DE canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:de-de matches lang_tag sgn-CH-de ? NO
+loc_range:de_DE canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:de-de matches lang_tag art-lojban ? NO
+loc_range:de_DE canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:de-de matches lang_tag i-lux ? NO
+loc_range:de_DE canonically matches lang_tag lb ? NO
+--------------
+loc_range:de-de matches lang_tag art-lojban ? NO
+loc_range:de_DE canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:de-de matches lang_tag jbo ? NO
+loc_range:de_DE canonically matches lang_tag jbo ? NO
+--------------
+loc_range:de-de matches lang_tag en_sl_IT ? NO
+loc_range:de_DE canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DEVA ? NO
+loc_range:sl_IT canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag zh_Hans ? NO
+loc_range:sl_IT canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag sl_IT ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_rozaj ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_ROZAJ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT matches lang_tag i-enochian ? NO
+loc_range:sl_IT canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag i-lux ? NO
+loc_range:sl_IT canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag jbo ? NO
+loc_range:sl_IT canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DEVA ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DE ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag zh_Hans ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_rozaj ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT_Nedis matches lang_tag i-enochian ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag art-lojban ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag i-lux ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag art-lojban ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag jbo ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:jbo matches lang_tag de-DEVA ? NO
+loc_range:jbo canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:jbo matches lang_tag de-DE-1996 ? NO
+loc_range:jbo canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:jbo matches lang_tag de-DE ? NO
+loc_range:jbo canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:jbo matches lang_tag zh_Hans ? NO
+loc_range:jbo canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:jbo matches lang_tag de-CH-1996 ? NO
+loc_range:jbo canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT ? NO
+loc_range:jbo canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_rozaj ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:jbo matches lang_tag i-enochian ? NO
+loc_range:jbo canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:jbo matches lang_tag sgn-CH-de ? NO
+loc_range:jbo canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:jbo matches lang_tag art-lojban ? NO
+loc_range:jbo canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:jbo matches lang_tag i-lux ? NO
+loc_range:jbo canonically matches lang_tag lb ? NO
+--------------
+loc_range:jbo matches lang_tag art-lojban ? NO
+loc_range:jbo canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:jbo matches lang_tag jbo ? YES
+loc_range:jbo canonically matches lang_tag jbo ? YES
+--------------
+loc_range:jbo matches lang_tag en_sl_IT ? NO
+loc_range:jbo canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DEVA ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DE-1996 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DE ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:art-lojban matches lang_tag zh_Hans ? NO
+loc_range:art__LOJBAN canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-CH-1996 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_rozaj ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:art-lojban matches lang_tag i-enochian ? NO
+loc_range:art__LOJBAN canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:art-lojban matches lang_tag sgn-CH-de ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:art-lojban matches lang_tag art-lojban ? YES
+loc_range:art__LOJBAN canonically matches lang_tag art__LOJBAN ? YES
+--------------
+loc_range:art-lojban matches lang_tag i-lux ? NO
+loc_range:art__LOJBAN canonically matches lang_tag lb ? NO
+--------------
+loc_range:art-lojban matches lang_tag art-lojban ? YES
+loc_range:art__LOJBAN canonically matches lang_tag art__LOJBAN ? YES
+--------------
+loc_range:art-lojban matches lang_tag jbo ? NO
+loc_range:art__LOJBAN canonically matches lang_tag jbo ? NO
+--------------
+loc_range:art-lojban matches lang_tag en_sl_IT ? NO
+loc_range:art__LOJBAN canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DEVA ? NO
+loc_range:sl_IT canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag zh_Hans ? NO
+loc_range:sl_IT canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag sl_IT ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_rozaj ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_ROZAJ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT matches lang_tag i-enochian ? NO
+loc_range:sl_IT canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag i-lux ? NO
+loc_range:sl_IT canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag jbo ? NO
+loc_range:sl_IT canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT canonically matches lang_tag en_SL_IT ? NO
diff --git a/ext/intl/tests/locale_get_display_name2.phpt b/ext/intl/tests/locale_get_display_name2.phpt
index 40ccc0c2c5..bd8cb50cd5 100644
--- a/ext/intl/tests/locale_get_display_name2.phpt
+++ b/ext/intl/tests/locale_get_display_name2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_get_display_name() icu >= 4.8
+locale_get_display_name() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_get_display_name3.phpt b/ext/intl/tests/locale_get_display_name3.phpt
new file mode 100644
index 0000000000..3f3d26fcfa
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_name3.phpt
@@ -0,0 +1,342 @@
+--TEST--
+locale_get_display_name() icu >= 51.2
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_name for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str='';
+
+	$disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'sl_IT_nedis_KIRTI',
+        'sl_IT_nedis-a-kirti-x-xyz',
+        'sl_IT_rozaj',
+        'sl_IT_NEDIS_ROJAZ_1901',
+        'i-enochian',
+        'zh-hakka',
+        'zh-wuu',
+        'i-tay',
+        'sgn-BE-nl',
+        'sgn-CH-de',
+        'sl_IT_rozaj@currency=EUR',
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+   	foreach( $locales as $locale )
+    {
+       	$res_str .= "locale='$locale'\n";
+   		foreach( $disp_locales as $disp_locale )
+    	{
+        	$scr = ut_loc_get_display_name( $locale ,$disp_locale );
+		$scr = str_replace(array('(', ')'), '#', $scr); 
+        	$res_str .= "disp_locale=$disp_locale :  display_name=$scr";
+        	$res_str .= "\n";
+		} 
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='sl_IT_nedis_KIRTI'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_KIRTI#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_KIRTI#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_KIRTI#
+-----------------
+locale='sl_IT_nedis-a-kirti-x-xyz'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_A_KIRTI_X_XYZ#
+-----------------
+locale='sl_IT_rozaj'
+disp_locale=en :  display_name=Slovenian #Italy, Resian#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch)#
+-----------------
+locale='sl_IT_NEDIS_ROJAZ_1901'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_ROJAZ_1901#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_ROJAZ_1901#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_ROJAZ_1901#
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-hakka'
+disp_locale=en :  display_name=Chinese( #HAKKA#)?
+disp_locale=fr :  display_name=chinois( #HAKKA#)?
+disp_locale=de :  display_name=Chinesisch( #HAKKA#)?
+-----------------
+locale='zh-wuu'
+disp_locale=en :  display_name=Chinese #WUU#
+disp_locale=fr :  display_name=chinois #WUU#
+disp_locale=de :  display_name=Chinesisch #WUU#
+-----------------
+locale='i-tay'
+disp_locale=en :  display_name=i-tay
+disp_locale=fr :  display_name=i-tay
+disp_locale=de :  display_name=i-tay
+-----------------
+locale='sgn-BE-nl'
+disp_locale=en :  display_name=Sign Languages? #Belgium, NL#
+disp_locale=fr :  display_name=langues? des signes #Belgique, NL#
+disp_locale=de :  display_name=Gebärdensprache #Belgien, NL#
+-----------------
+locale='sgn-CH-de'
+disp_locale=en :  display_name=Sign Languages? #Switzerland, DE#
+disp_locale=fr :  display_name=langues? des signes #Suisse, DE#
+disp_locale=de :  display_name=Gebärdensprache #Schweiz, DE#
+-----------------
+locale='sl_IT_rozaj@currency=EUR'
+disp_locale=en :  display_name=Slovenian #Italy, Resian, [Cc]urrency=Euro#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia, [Dd]evise=euro#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch), Währung=Euro#
+-----------------
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_name=Ukrainian #Ukraine, CALIFORNIA, [Cc]urrency#
+disp_locale=fr :  display_name=ukrainien #Ukraine, CALIFORNIA, [Dd]evise#
+disp_locale=de :  display_name=Ukrainisch #Ukraine, CALIFORNIA, Währung#
+-----------------
+locale='root'
+disp_locale=en :  display_name=Root
+disp_locale=fr :  display_name=racine
+disp_locale=de :  display_name=[Rr]oot
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_name=Ukrainian #[Cc]urrency=EURO#
+disp_locale=fr :  display_name=ukrainien #[Dd]evise=EURO#
+disp_locale=de :  display_name=Ukrainisch #Währung=EURO#
+-----------------
+locale='Hindi'
+disp_locale=en :  display_name=hindi
+disp_locale=fr :  display_name=hindi
+disp_locale=de :  display_name=hindi
+-----------------
+locale='de'
+disp_locale=en :  display_name=German
+disp_locale=fr :  display_name=allemand
+disp_locale=de :  display_name=Deutsch
+-----------------
+locale='fr'
+disp_locale=en :  display_name=French
+disp_locale=fr :  display_name=français
+disp_locale=de :  display_name=Französisch
+-----------------
+locale='ja'
+disp_locale=en :  display_name=Japanese
+disp_locale=fr :  display_name=japonais
+disp_locale=de :  display_name=Japanisch
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_name=Chinese #Traditional#
+disp_locale=fr :  display_name=chinois #traditionnel#
+disp_locale=de :  display_name=Chinesisch #Traditionell#
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_name=Chinese #Simplified#
+disp_locale=fr :  display_name=chinois #simplifié#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht#
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_name=Serbian #Cyrillic#
+disp_locale=fr :  display_name=serbe #cyrillique#
+disp_locale=de :  display_name=Serbisch #Kyrillisch#
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_name=Serbian #Latin#
+disp_locale=fr :  display_name=serbe #latin#
+disp_locale=de :  display_name=Serbisch #Lateinisch#
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_name=Chinese #Simplified, China#
+disp_locale=fr :  display_name=chinois #simplifié, Chine#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht, China#
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_name=Serbian #Latin, Serbia#
+disp_locale=fr :  display_name=serbe #latin, Serbie#
+disp_locale=de :  display_name=Serbisch #Lateinisch, Serbien#
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_name=Slovenian #Resian#
+disp_locale=fr :  display_name=slovène #dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch( #(ROZAJ|Resianisch)#)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_name=Slovenian #Natisone dialect#
+disp_locale=fr :  display_name=slovène #dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Natisone-Dialekt#
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_name=German #Switzerland, Traditional German orthography#
+disp_locale=fr :  display_name=allemand #Suisse, orthographe allemande traditionnelle#
+disp_locale=de :  display_name=Deutsch #Schweiz, (1901|[aA]lte deutsche Rechtschreibung)#
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Latin, Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #latin, Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Lateinisch, Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='de-DE'
+disp_locale=en :  display_name=German #Germany#
+disp_locale=fr :  display_name=allemand #Allemagne#
+disp_locale=de :  display_name=Deutsch #Deutschland#
+-----------------
+locale='en-US'
+disp_locale=en :  display_name=English #United States#
+disp_locale=fr :  display_name=anglais #États-Unis#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten#
+-----------------
+locale='es-419'
+disp_locale=en :  display_name=Spanish #Latin America#
+disp_locale=fr :  display_name=espagnol #Amérique latine#
+disp_locale=de :  display_name=Spanisch #Lateinamerika#
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_name=German #Switzerland, Private-Use=phonebk#
+disp_locale=fr :  display_name=allemand #Suisse, Usage privé=phonebk#
+disp_locale=de :  display_name=Deutsch #Schweiz, Privatnutzung=phonebk#
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_name=Azerbaijani #Arabic, Private-Use=aze-derbend#
+disp_locale=fr :  display_name=azéri #arabe, Usage privé=aze-derbend#
+disp_locale=de :  display_name=Aserbaidschanisch #Arabisch, Privatnutzung=aze-derbend#
+-----------------
+locale='zh-min'
+disp_locale=en :  display_name=Chinese #MIN#
+disp_locale=fr :  display_name=chinois #MIN#
+disp_locale=de :  display_name=Chinesisch #MIN#
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_name=Chinese #MIN, NAN_HANT_CN#
+disp_locale=fr :  display_name=chinois #MIN, NAN_HANT_CN#
+disp_locale=de :  display_name=Chinesisch #MIN, NAN_HANT_CN#
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_name=x-whatever #Private-Use=whatever#
+disp_locale=fr :  display_name=x-whatever #Usage privé=whatever#
+disp_locale=de :  display_name=x-whatever #Privatnutzung=whatever#
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_name=qaa #Qaaa, QM, Private-Use=southern#
+disp_locale=fr :  display_name=qaa #Qaaa, QM, Usage privé=southern#
+disp_locale=de :  display_name=qaa #Qaaa, QM, Privatnutzung=southern#
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_name=Serbian #Latin, QM#
+disp_locale=fr :  display_name=serbe #latin, QM#
+disp_locale=de :  display_name=Serbisch #Lateinisch, QM#
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_name=Serbian #Qaaa, Serbia#
+disp_locale=fr :  display_name=serbe #Qaaa, Serbie#
+disp_locale=de :  display_name=Serbisch #Qaaa, Serbien#
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_name=English #United States, attribute=islamcal#
+disp_locale=fr :  display_name=anglais #États-Unis, attribute=islamcal#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten, attribute=islamcal#
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_name=Chinese #China, a=myext, Private-Use=private#
+disp_locale=fr :  display_name=chinois #Chine, a=myext, Usage privé=private#
+disp_locale=de :  display_name=Chinesisch #China, a=myext, Privatnutzung=private#
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_name=English #a=myext, b=another#
+disp_locale=fr :  display_name=anglais #a=myext, b=another#
+disp_locale=de :  display_name=Englisch #a=myext, b=another#
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_name=German #Latin America, DE#
+disp_locale=fr :  display_name=allemand #Amérique latine, DE#
+disp_locale=de :  display_name=Deutsch #Lateinamerika, DE#
+-----------------
+locale='a-DE'
+disp_locale=en :  display_name=a #Germany#
+disp_locale=fr :  display_name=a #Allemagne#
+disp_locale=de :  display_name=a #Deutschland#
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_name=Arabic #a=aaa, b=bbb#
+disp_locale=fr :  display_name=arabe #a=aaa, b=bbb#
+disp_locale=de :  display_name=Arabisch #a=aaa, b=bbb#
+-----------------
diff --git a/ext/intl/tests/locale_get_display_region2.phpt b/ext/intl/tests/locale_get_display_region2.phpt
index f1b584188a..1d7354bd1b 100644
--- a/ext/intl/tests/locale_get_display_region2.phpt
+++ b/ext/intl/tests/locale_get_display_region2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_get_display_region() icu >= 4.8
+locale_get_display_region() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_get_display_region3.phpt b/ext/intl/tests/locale_get_display_region3.phpt
new file mode 100644
index 0000000000..ec287a6446
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_region3.phpt
@@ -0,0 +1,275 @@
+--TEST--
+locale_get_display_region() icu >= 51.2
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_region for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str = '';
+
+    $disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+    foreach( $locales as $locale )
+    {
+        $res_str .= "locale='$locale'\n";
+        foreach( $disp_locales as $disp_locale )
+        {
+            $scr = ut_loc_get_display_region( $locale ,$disp_locale );
+            $res_str .= "disp_locale=$disp_locale :  display_region=$scr";
+            $res_str .= "\n";
+        }
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_region=Ukraine
+disp_locale=fr :  display_region=Ukraine
+disp_locale=de :  display_region=Ukraine
+-----------------
+locale='root'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='Hindi'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='de'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='fr'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='ja'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_region=China
+disp_locale=fr :  display_region=Chine
+disp_locale=de :  display_region=China
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_region=Serbia
+disp_locale=fr :  display_region=Serbie
+disp_locale=de :  display_region=Serbien
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_region=(ROZAJ)?
+disp_locale=fr :  display_region=(ROZAJ)?
+disp_locale=de :  display_region=(ROZAJ)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_region=(NEDIS)?
+disp_locale=fr :  display_region=(NEDIS)?
+disp_locale=de :  display_region=(NEDIS)?
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_region=Switzerland
+disp_locale=fr :  display_region=Suisse
+disp_locale=de :  display_region=Schweiz
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_region=Italy
+disp_locale=fr :  display_region=Italie
+disp_locale=de :  display_region=Italien
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_region=Italy
+disp_locale=fr :  display_region=Italie
+disp_locale=de :  display_region=Italien
+-----------------
+locale='de-DE'
+disp_locale=en :  display_region=Germany
+disp_locale=fr :  display_region=Allemagne
+disp_locale=de :  display_region=Deutschland
+-----------------
+locale='en-US'
+disp_locale=en :  display_region=United States
+disp_locale=fr :  display_region=États-Unis
+disp_locale=de :  display_region=Vereinigte Staaten
+-----------------
+locale='es-419'
+disp_locale=en :  display_region=Latin America
+disp_locale=fr :  display_region=Amérique latine
+disp_locale=de :  display_region=Lateinamerika
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_region=Switzerland
+disp_locale=fr :  display_region=Suisse
+disp_locale=de :  display_region=Schweiz
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_region=X?
+disp_locale=fr :  display_region=X?
+disp_locale=de :  display_region=X?
+-----------------
+locale='zh-min'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_region=MIN
+disp_locale=fr :  display_region=MIN
+disp_locale=de :  display_region=MIN
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_region=QM
+disp_locale=fr :  display_region=QM
+disp_locale=de :  display_region=QM
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_region=QM
+disp_locale=fr :  display_region=QM
+disp_locale=de :  display_region=QM
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_region=Serbia
+disp_locale=fr :  display_region=Serbie
+disp_locale=de :  display_region=Serbien
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_region=United States
+disp_locale=fr :  display_region=États-Unis
+disp_locale=de :  display_region=Vereinigte Staaten
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_region=China
+disp_locale=fr :  display_region=Chine
+disp_locale=de :  display_region=China
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_region=A?
+disp_locale=fr :  display_region=A?
+disp_locale=de :  display_region=A?
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_region=Latin America
+disp_locale=fr :  display_region=Amérique latine
+disp_locale=de :  display_region=Lateinamerika
+-----------------
+locale='a-DE'
+disp_locale=en :  display_region=Germany
+disp_locale=fr :  display_region=Allemagne
+disp_locale=de :  display_region=Deutschland
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_region=A?
+disp_locale=fr :  display_region=A?
+disp_locale=de :  display_region=A?
+-----------------
diff --git a/ext/intl/tests/locale_lookup.phpt b/ext/intl/tests/locale_lookup.phpt
index f0affafa6f..df5204f07d 100644
--- a/ext/intl/tests/locale_lookup.phpt
+++ b/ext/intl/tests/locale_lookup.phpt
@@ -2,6 +2,7 @@
 locale_lookup.phpt()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_lookup_variant2.phpt b/ext/intl/tests/locale_lookup_variant2.phpt
new file mode 100644
index 0000000000..4715951e9a
--- /dev/null
+++ b/ext/intl/tests/locale_lookup_variant2.phpt
@@ -0,0 +1,100 @@
+--TEST--
+locale_lookup.phpt()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try parsing different Locales  
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+	$loc_ranges = array(
+		'de-de',
+		'sl_IT',
+		'sl_IT_Nedis',
+		'jbo',
+		'art-lojban'
+	);
+	
+	$lang_tags = array(
+		'de-DEVA',
+		'de-DE-1996',
+		'de-DE',
+		'zh_Hans',
+		'de-CH-1996',
+		'sl_IT',
+		'sl_IT_nedis-a-kirti-x-xyz',
+		'sl_IT_rozaj',
+		'sl_IT_NEDIS_ROJAZ_1901',
+		'i-enochian',
+		'sgn-CH-de',
+		'art-lojban',
+		'i-lux',
+		'art-lojban',
+		'jbo',
+		'en_sl_IT',
+		'zh-Hant-CN-x-prv1-prv2'
+	);
+
+
+    $res_str = '';
+    $isCanonical = false;
+
+	foreach($loc_ranges as $loc_range){
+            $res_str .="--------------\n";
+            $result= ut_loc_locale_lookup( $lang_tags , $loc_range,$isCanonical,"en_US");
+            $comma_arr =implode(",",$lang_tags);
+            $res_str .= "loc_range:$loc_range \nlang_tags: $comma_arr\n";
+            $res_str .= "\nlookup result:$result\n";
+//canonicalized version
+            $result= ut_loc_locale_lookup( $lang_tags , $loc_range,!($isCanonical),"en_US");
+            $can_loc_range = ut_loc_canonicalize($loc_range);
+            $res_str .= "Canonical lookup result:$result\n";
+
+	}
+
+	$res_str .= "\n";
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECT--
+--------------
+loc_range:de-de 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:de-DE
+Canonical lookup result:de_de
+--------------
+loc_range:sl_IT 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:sl_IT
+Canonical lookup result:sl_it
+--------------
+loc_range:sl_IT_Nedis 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:sl_IT
+Canonical lookup result:sl_it
+--------------
+loc_range:jbo 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:jbo
+Canonical lookup result:jbo
+--------------
+loc_range:art-lojban 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:art-lojban
+Canonical lookup result:art__lojban
diff --git a/ext/intl/tests/msgfmt_format_intlcalendar.phpt b/ext/intl/tests/msgfmt_format_intlcalendar.phpt
index 6ae78a9140..a6bff2ecdd 100644
--- a/ext/intl/tests/msgfmt_format_intlcalendar.phpt
+++ b/ext/intl/tests/msgfmt_format_intlcalendar.phpt
@@ -2,8 +2,8 @@
 MessageFormat accepts IntlCalendar args
 --SKIPIF--
 <?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
@@ -27,4 +27,4 @@ echo "msgf2: ", $msgf->format(array($time, 'date')), " ",
 ==DONE==
 --EXPECT--
 Quinta-feira, 17 de Maio de 2012 5:35:36 p.m. WEST
-==DONE==
\ No newline at end of file
+==DONE==
diff --git a/ext/intl/tests/msgfmt_format_intlcalendar_variant2.phpt b/ext/intl/tests/msgfmt_format_intlcalendar_variant2.phpt
new file mode 100644
index 0000000000..f2d16b899d
--- /dev/null
+++ b/ext/intl/tests/msgfmt_format_intlcalendar_variant2.phpt
@@ -0,0 +1,30 @@
+--TEST--
+MessageFormat accepts IntlCalendar args
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+//ini_set("intl.default_locale", "nl");
+ini_set('date.timezone', 'Europe/Lisbon');
+
+$cal = new IntlGregorianCalendar(2012,04,17,17,35,36);
+
+$msgf = new MessageFormatter('pt_PT', '{0,date,full} {0,time,h:m:s a V}');
+echo $msgf->format(array($cal)), "\n";
+
+//NOT FIXED:
+/*$msgf = new MessageFormatter('en_US',
+'{1, select, date {{0,date,full}} other {{0,time,h:m:s a V}}}');
+
+echo "msgf2: ", $msgf->format(array($time, 'date')), " ",
+		$msgf->format(array($time, 'time')), "\n";
+*/
+
+?>
+==DONE==
+--EXPECT--
+Quinta-feira, 17 de Maio de 2012 5:35:36 PM ptlis
+==DONE==
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
index 17fab6d630..bbbc1b1e91 100644
--- a/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
@@ -3,11 +3,9 @@ ResourceBundle constructor bundle accepts NULL for first two arguments
 --INI--
 date.timezone=Atlantic/Azores
 --SKIPIF--
-<?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
-if (version_compare(INTL_ICU_VERSION, '4.8') < 0)
-	die('skip ICU >= 4.8 only');
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '4.8') < 0) die('skip ICU >= 4.8 only'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
new file mode 100644
index 0000000000..cf721c8ef2
--- /dev/null
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
@@ -0,0 +1,26 @@
+--TEST--
+ResourceBundle constructor bundle accepts NULL for first two arguments
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$r = new ResourceBundle('en_US', NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+
+ini_set('intl.default_locale', 'pt_PT');
+$r = new ResourceBundle(NULL, NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+?>
+==DONE==
+--EXPECT--
+string(14) "h:mm:ss a zzzz"
+string(13) "HH:mm:ss zzzz"
+==DONE==
diff --git a/ext/intl/tests/timezone_getDisplayName_variant2-49+.phpt b/ext/intl/tests/timezone_getDisplayName_variant2-49+.phpt
index 4ee30aee12..8f60f29040 100644
--- a/ext/intl/tests/timezone_getDisplayName_variant2-49+.phpt
+++ b/ext/intl/tests/timezone_getDisplayName_variant2-49+.phpt
@@ -1,11 +1,9 @@
 --TEST--
-IntlTimeZone::getDisplayName(): type parameter (ICU >= 49)
+IntlTimeZone::getDisplayName(): type parameter (ICU >= 49 && ICU < 51.2)
 --SKIPIF--
-<?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
-if (version_compare(INTL_ICU_VERSION, '49') < 0)
-	die('skip for ICU 49+');
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '49') < 0) die('skip for ICU 49+'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
@@ -35,4 +33,4 @@ string(5) "+0000"
 string(3) "GMT"
 string(3) "GMT"
 string(22) "Portugal Time (Lisbon)"
-==DONE==
\ No newline at end of file
+==DONE==

diff --git a/ext/intl/tests/timezone_getDisplayName_variant4.phpt b/ext/intl/tests/timezone_getDisplayName_variant4.phpt
new file mode 100644
index 0000000000..39e28892a4
--- /dev/null
+++ b/ext/intl/tests/timezone_getDisplayName_variant4.phpt
@@ -0,0 +1,35 @@
+--TEST--
+IntlTimeZone::getDisplayName(): type parameter (ICU >= 51.2)
+--SKIPIF--
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("error_reporting", -1);
+ini_set("display_errors", 1);
+
+$lsb = IntlTimeZone::createTimeZone('Europe/Lisbon');
+
+ini_set('intl.default_locale', 'en_US');
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_SHORT));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_LONG));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_SHORT_GENERIC));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_LONG_GENERIC));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_SHORT_GMT));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_LONG_GMT));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_SHORT_COMMONLY_USED));
+var_dump($lsb->getDisplayName(false, IntlTimeZone::DISPLAY_GENERIC_LOCATION));
+
+?>
+==DONE==
+--EXPECT--
+string(3) "GMT"
+string(30) "Western European Standard Time"
+string(13) "Portugal Time"
+string(21) "Western European Time"
+string(5) "+0000"
+string(3) "GMT"
+string(3) "GMT"
+string(13) "Portugal Time"
+==DONE==