New testcases for stripos() function

18 files changed, 2880 insertions, 0 deletions

diff --git a/ext/standard/tests/strings/stripos_basic1.phpt b/ext/standard/tests/strings/stripos_basic1.phpt
new file mode 100644
index 0000000000..37b737edda
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_basic1.phpt
@@ -0,0 +1,70 @@
+--TEST--
+Test stripos() function : basic functionality - with default arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing stripos() function: basic functionality ***\n";
+$heredoc_str = <<<Identifier
+Hello, World
+Identifier;
+
+echo "-- With default arguments --\n";
+//regular string for haystack & needle
+var_dump( stripos("Hello, World", "Hello") );
+var_dump( stripos('Hello, World', "hello") );
+var_dump( stripos("Hello, World", 'World') );
+var_dump( stripos('Hello, World', 'WORLD') );
+
+//single char for needle
+var_dump( stripos("Hello, World", "o") );
+var_dump( stripos("Hello, World", ",") );
+
+//heredoc string for haystack & needle
+var_dump( stripos($heredoc_str, "Hello, World") );
+var_dump( stripos($heredoc_str, 'Hello') );
+var_dump( stripos($heredoc_str, $heredoc_str) );
+
+//unicode strings for haystack & needle
+var_dump( stripos((unicode)"Hello, World", "Hello") );
+var_dump( stripos('Hello, World', (unicode)"hello") );
+
+//non-existing needle in haystack
+var_dump( stripos("Hello, World", "ooo") );
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: basic functionality ***
+-- With default arguments --
+int(0)
+int(0)
+int(7)
+int(7)
+int(4)
+int(5)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: basic functionality ***
+-- With default arguments --
+int(0)
+int(0)
+int(7)
+int(7)
+int(4)
+int(5)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_basic2.phpt b/ext/standard/tests/strings/stripos_basic2.phpt
new file mode 100644
index 0000000000..1115171b34
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_basic2.phpt
@@ -0,0 +1,69 @@
+--TEST--
+Test stripos() function : basic functionality - with all arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing stripos() function: basic functionality ***\n";
+$heredoc_str = <<<Identifier
+Hello, World
+Identifier;
+
+echo "-- With all arguments --\n";
+//regular string for haystack & needle, with various offsets
+var_dump( stripos("Hello, World", "Hello", 0) );
+var_dump( stripos("Hello, World", 'Hello', 1) );
+var_dump( stripos('Hello, World', 'WORLD', 1) );
+var_dump( stripos('Hello, World', "WoRld", 5) );
+
+//heredoc string for haystack & needle, with various offsets
+var_dump( stripos($heredoc_str, "Hello, World", 0) );
+var_dump( stripos($heredoc_str, 'Hello', 0) );
+var_dump( stripos($heredoc_str, 'Hello', 1) );
+var_dump( stripos($heredoc_str, $heredoc_str, 0) );
+var_dump( stripos($heredoc_str, $heredoc_str, 1) );
+
+//various offsets
+var_dump( stripos("Hello, World", "o", 3) );
+var_dump( stripos("Hello, World", "O", 5) );
+var_dump( stripos("Hello, World", "o", 6) );
+var_dump( stripos("Hello, World", "o", 10) );
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: basic functionality ***
+-- With all arguments --
+int(0)
+bool(false)
+int(7)
+int(7)
+int(0)
+int(0)
+bool(false)
+int(0)
+bool(false)
+int(4)
+int(8)
+int(8)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: basic functionality ***
+-- With all arguments --
+int(0)
+bool(false)
+int(7)
+int(7)
+int(0)
+int(0)
+bool(false)
+int(0)
+bool(false)
+int(4)
+int(8)
+int(8)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_error.phpt b/ext/standard/tests/strings/stripos_error.phpt
new file mode 100644
index 0000000000..71d93ef5a8
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_error.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test stripos() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing stripos() function: error conditions ***\n";
+echo "\n-- With Zero arguments --";
+var_dump( stripos() );
+
+echo "\n-- With less than expected number of arguments --";
+var_dump( stripos("String") );
+
+echo "\n-- With more than expected number of arguments --";
+var_dump( stripos("string", "String", 1, 'extra_arg') );
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: error conditions ***
+
+-- With Zero arguments --
+Warning: stripos() expects at least 2 parameters, 0 given in %s on line %d
+NULL
+
+-- With less than expected number of arguments --
+Warning: stripos() expects at least 2 parameters, 1 given in %s on line %d
+NULL
+
+-- With more than expected number of arguments --
+Warning: stripos() expects at most 3 parameters, 4 given in %s on line %d
+NULL
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: error conditions ***
+
+-- With Zero arguments --
+Warning: stripos() expects at least 2 parameters, 0 given in %s on line %d
+NULL
+
+-- With less than expected number of arguments --
+Warning: stripos() expects at least 2 parameters, 1 given in %s on line %d
+NULL
+
+-- With more than expected number of arguments --
+Warning: stripos() expects at most 3 parameters, 4 given in %s on line %d
+NULL
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation1.phpt b/ext/standard/tests/strings/stripos_variation1.phpt
new file mode 100644
index 0000000000..374c3a0e01
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation1.phpt
@@ -0,0 +1,332 @@
+--TEST--
+Test stripos() function : usage variations - double quoted strings for 'haystack' & 'needle' arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing double quoted strings to 'haystack' & 'needle' arguments */
+
+echo "*** Testing stripos() function: with double quoted strings ***\n";
+$haystack = "Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101";
+$needle = array(
+  //regular strings
+  "l",
+  "L",
+  "HELLO",
+  "hEllo",
+
+  //escape characters
+  "\t",
+  "\T",  //invalid input
+  "     ",
+  "\n",
+  "\N",  //invalid input
+  "
+",  //new line
+
+  //nulls
+  "\0",
+  NULL,
+  null,
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  "",
+
+  //special chars
+  " ",
+  "$",
+  " $",
+  "&",
+  "!#",
+  "%\o",
+  "\o,",
+  "()",
+  "*+",
+  "+",
+  ".",
+  ".;",
+  ":;",
+  ";",
+  "<=>",
+  ">",
+  "=>",
+  "@hEllo",
+
+  "12345", //decimal numeric string
+  "\x23",  //hexadecimal numeric string
+  "#",  //respective ASCII char of \x23
+  "\101",  //octal numeric string
+  "A",  //respective ASCII char of \101
+  "456HEE",  //numerics + chars
+  $haystack  //haystack as needle
+);
+ 
+/* loop through 'needle' array to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "-- Iteration $count --\n";
+  var_dump( stripos($haystack, $needle[$index]) );
+  var_dump( stripos($haystack, $needle[$index], $index) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with double quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(34)
+-- Iteration 4 --
+int(0)
+int(34)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(7)
+int(7)
+-- Iteration 9 --
+bool(false)
+bool(false)
+-- Iteration 10 --
+int(7)
+int(9)
+-- Iteration 11 --
+int(8)
+bool(false)
+-- Iteration 12 --
+int(8)
+bool(false)
+-- Iteration 13 --
+int(8)
+bool(false)
+-- Iteration 14 --
+int(8)
+bool(false)
+-- Iteration 15 --
+int(8)
+bool(false)
+-- Iteration 16 --
+bool(false)
+bool(false)
+-- Iteration 17 --
+int(10)
+int(47)
+-- Iteration 18 --
+int(12)
+bool(false)
+-- Iteration 19 --
+int(11)
+bool(false)
+-- Iteration 20 --
+int(13)
+bool(false)
+-- Iteration 21 --
+int(14)
+bool(false)
+-- Iteration 22 --
+int(16)
+bool(false)
+-- Iteration 23 --
+int(17)
+bool(false)
+-- Iteration 24 --
+int(20)
+bool(false)
+-- Iteration 25 --
+int(22)
+bool(false)
+-- Iteration 26 --
+int(23)
+bool(false)
+-- Iteration 27 --
+int(25)
+bool(false)
+-- Iteration 28 --
+bool(false)
+bool(false)
+-- Iteration 29 --
+int(27)
+bool(false)
+-- Iteration 30 --
+int(28)
+bool(false)
+-- Iteration 31 --
+int(29)
+bool(false)
+-- Iteration 32 --
+int(31)
+int(31)
+-- Iteration 33 --
+int(30)
+bool(false)
+-- Iteration 34 --
+int(33)
+int(33)
+-- Iteration 35 --
+int(39)
+int(39)
+-- Iteration 36 --
+int(15)
+int(48)
+-- Iteration 37 --
+int(15)
+int(48)
+-- Iteration 38 --
+int(51)
+int(51)
+-- Iteration 39 --
+int(51)
+int(51)
+-- Iteration 40 --
+bool(false)
+bool(false)
+-- Iteration 41 --
+int(0)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with double quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(34)
+-- Iteration 4 --
+int(0)
+int(34)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(7)
+int(7)
+-- Iteration 9 --
+bool(false)
+bool(false)
+-- Iteration 10 --
+int(7)
+int(9)
+-- Iteration 11 --
+int(8)
+int(52)
+-- Iteration 12 --
+int(8)
+int(52)
+-- Iteration 13 --
+int(8)
+int(52)
+-- Iteration 14 --
+int(8)
+int(52)
+-- Iteration 15 --
+int(8)
+int(52)
+-- Iteration 16 --
+bool(false)
+bool(false)
+-- Iteration 17 --
+int(10)
+int(47)
+-- Iteration 18 --
+int(12)
+bool(false)
+-- Iteration 19 --
+int(11)
+bool(false)
+-- Iteration 20 --
+int(13)
+bool(false)
+-- Iteration 21 --
+int(14)
+bool(false)
+-- Iteration 22 --
+int(16)
+bool(false)
+-- Iteration 23 --
+int(17)
+bool(false)
+-- Iteration 24 --
+int(20)
+bool(false)
+-- Iteration 25 --
+int(22)
+bool(false)
+-- Iteration 26 --
+int(23)
+bool(false)
+-- Iteration 27 --
+int(25)
+bool(false)
+-- Iteration 28 --
+bool(false)
+bool(false)
+-- Iteration 29 --
+int(27)
+bool(false)
+-- Iteration 30 --
+int(28)
+bool(false)
+-- Iteration 31 --
+int(29)
+bool(false)
+-- Iteration 32 --
+int(31)
+int(31)
+-- Iteration 33 --
+int(30)
+bool(false)
+-- Iteration 34 --
+int(33)
+int(33)
+-- Iteration 35 --
+int(39)
+int(39)
+-- Iteration 36 --
+int(15)
+int(48)
+-- Iteration 37 --
+int(15)
+int(48)
+-- Iteration 38 --
+int(51)
+int(51)
+-- Iteration 39 --
+int(51)
+int(51)
+-- Iteration 40 --
+bool(false)
+bool(false)
+-- Iteration 41 --
+int(0)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation10.phpt b/ext/standard/tests/strings/stripos_variation10.phpt
new file mode 100644
index 0000000000..4c41afd844
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation10.phpt
@@ -0,0 +1,264 @@
+--TEST--
+Test stripos() function : usage variations - unexpected inputs for 'needle' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with unexpected inputs for needle and expected type for haystack */
+
+echo "*** Testing stripos() function with unexpected values for needle ***\n";
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// defining a class
+class sample  {
+  public function __toString() {
+    return "object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+$haystack = "heredoc 0 1 2 -2 10.5 -10.5 10.5e10 10.6E-10 .5 array true false object \"\" null Resource";
+
+// array with different values
+$needles =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new sample(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  // resource
+  $file_handle,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of stripos()
+$counter = 1;
+for($index = 0; $index < count($needles); $index ++) {
+  echo "\n-- Iteration $counter --\n";
+  var_dump( stripos($haystack, $needles[$index]) );
+  $counter ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function with unexpected values for needle ***
+
+-- Iteration 1 --
+bool(false)
+
+-- Iteration 2 --
+bool(false)
+
+-- Iteration 3 --
+bool(false)
+
+-- Iteration 4 --
+bool(false)
+
+-- Iteration 5 --
+bool(false)
+
+-- Iteration 6 --
+bool(false)
+
+-- Iteration 7 --
+bool(false)
+
+-- Iteration 8 --
+bool(false)
+
+-- Iteration 9 --
+bool(false)
+
+-- Iteration 10 --
+bool(false)
+
+-- Iteration 11 --
+bool(false)
+
+-- Iteration 12 --
+bool(false)
+
+-- Iteration 13 --
+bool(false)
+
+-- Iteration 14 --
+bool(false)
+
+-- Iteration 15 --
+bool(false)
+
+-- Iteration 16 --
+bool(false)
+
+-- Iteration 17 --
+bool(false)
+
+-- Iteration 18 --
+bool(false)
+
+-- Iteration 19 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+
+-- Iteration 20 --
+bool(false)
+
+-- Iteration 21 --
+bool(false)
+
+-- Iteration 22 --
+bool(false)
+
+-- Iteration 23 --
+bool(false)
+
+-- Iteration 24 --
+bool(false)
+
+-- Iteration 25 --
+bool(false)
+
+-- Iteration 26 --
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function with unexpected values for needle ***
+
+-- Iteration 1 --
+bool(false)
+
+-- Iteration 2 --
+bool(false)
+
+-- Iteration 3 --
+bool(false)
+
+-- Iteration 4 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+-- Iteration 5 --
+bool(false)
+
+-- Iteration 6 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+-- Iteration 7 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+-- Iteration 8 --
+bool(false)
+
+-- Iteration 9 --
+bool(false)
+
+-- Iteration 10 --
+bool(false)
+
+-- Iteration 11 --
+bool(false)
+
+-- Iteration 12 --
+bool(false)
+
+-- Iteration 13 --
+bool(false)
+
+-- Iteration 14 --
+bool(false)
+
+-- Iteration 15 --
+bool(false)
+
+-- Iteration 16 --
+bool(false)
+
+-- Iteration 17 --
+bool(false)
+
+-- Iteration 18 --
+bool(false)
+
+-- Iteration 19 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+
+-- Iteration 20 --
+bool(false)
+
+-- Iteration 21 --
+bool(false)
+
+-- Iteration 22 --
+bool(false)
+
+-- Iteration 23 --
+bool(false)
+
+-- Iteration 24 --
+bool(false)
+
+-- Iteration 25 --
+bool(false)
+
+-- Iteration 26 --
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation11.phpt b/ext/standard/tests/strings/stripos_variation11.phpt
new file mode 100644
index 0000000000..3bc862fa5e
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation11.phpt
@@ -0,0 +1,344 @@
+--TEST--
+Test stripos() function : usage variations - unexpected inputs for 'haystack' and 'needle' arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with unexpected inputs for haystack and needle arguments */
+
+echo "*** Testing stripos() function with unexpected values for haystack and needle ***\n";
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// defining a class
+class sample  {
+  public function __toString() {
+    return "object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values
+$values =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new sample(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  //resource
+  $file_handle,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of stripos()
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $haystack = $values[$index];
+  var_dump( stripos($values[$index], $values[$index]) );
+  var_dump( stripos($values[$index], $values[$index], 1) );
+  $counter ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function with unexpected values for haystack and needle ***
+-- Iteration 1 --
+bool(false)
+bool(false)
+-- Iteration 2 --
+bool(false)
+bool(false)
+-- Iteration 3 --
+bool(false)
+bool(false)
+-- Iteration 4 --
+bool(false)
+bool(false)
+-- Iteration 5 --
+bool(false)
+bool(false)
+-- Iteration 6 --
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+bool(false)
+bool(false)
+-- Iteration 9 --
+bool(false)
+bool(false)
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 13 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 14 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 15 --
+bool(false)
+bool(false)
+-- Iteration 16 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 17 --
+bool(false)
+bool(false)
+-- Iteration 18 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 19 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+-- Iteration 20 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 21 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 22 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 23 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 24 --
+bool(false)
+bool(false)
+-- Iteration 25 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 26 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function with unexpected values for haystack and needle ***
+-- Iteration 1 --
+bool(false)
+int(1)
+-- Iteration 2 --
+bool(false)
+bool(false)
+-- Iteration 3 --
+bool(false)
+bool(false)
+-- Iteration 4 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 5 --
+bool(false)
+bool(false)
+-- Iteration 6 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 8 --
+bool(false)
+int(7)
+-- Iteration 9 --
+bool(false)
+int(3)
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+int(5)
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 13 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 14 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+-- Iteration 15 --
+bool(false)
+bool(false)
+-- Iteration 16 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 17 --
+bool(false)
+bool(false)
+-- Iteration 18 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 19 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+-- Iteration 20 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 21 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 22 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 23 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 24 --
+bool(false)
+bool(false)
+-- Iteration 25 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 26 --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation12.phpt b/ext/standard/tests/strings/stripos_variation12.phpt
new file mode 100644
index 0000000000..4a62f09960
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation12.phpt
@@ -0,0 +1,62 @@
+--TEST--
+Test stripos() function : usage variations - null terminated strings for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with null terminated strings for 'haystack' argument */
+
+echo "*** Test stripos() function: binary safe ***\n";
+$haystacks = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  chr(0).chr(0).chr(0),
+  b"Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($haystacks); $index++ ) {
+  var_dump( stripos($haystacks[$index], "\0") );
+  var_dump( stripos($haystacks[$index], "\0", $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Test stripos() function: binary safe ***
+int(5)
+int(5)
+int(0)
+bool(false)
+int(11)
+int(11)
+int(0)
+bool(false)
+int(5)
+int(5)
+int(0)
+bool(false)
+int(5)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Test stripos() function: binary safe ***
+int(5)
+int(5)
+int(0)
+int(12)
+int(11)
+int(11)
+int(0)
+int(3)
+int(5)
+int(5)
+int(0)
+int(6)
+int(5)
+int(6)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation13.phpt b/ext/standard/tests/strings/stripos_variation13.phpt
new file mode 100644
index 0000000000..a9e7b64b73
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation13.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test stripos() function : usage variations - null terminated strings for 'needle' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with null terminated strings for 'needle' argument */
+
+echo "*** Test stripos() function: binary safe ***\n";
+$haystack = "\0Hello\0World\0";
+
+$needles = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  "Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($needles); $index++ ) {
+  var_dump( stripos($haystack, $needles[$index]) );
+  var_dump( stripos($haystack, $needles[$index], $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Test stripos() function: binary safe ***
+int(1)
+int(1)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+int(1)
+bool(false)
+int(0)
+bool(false)
+int(1)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Test stripos() function: binary safe ***
+int(1)
+int(1)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+int(1)
+bool(false)
+int(0)
+bool(false)
+int(1)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation14.phpt b/ext/standard/tests/strings/stripos_variation14.phpt
new file mode 100644
index 0000000000..6ed60a56f3
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation14.phpt
@@ -0,0 +1,224 @@
+--TEST--
+Test stripos() function : usage variations - unexpected inputs for 'offset' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with unexpected inputs for offset argument */
+
+echo "*** Testing stripos() function with unexpected values for haystack and needle ***\n";
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// declaring a class
+class sample  {
+  public function __toString() {
+    return "object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+//definition of input args
+$haystack = "hello world";
+$needle = "world";
+
+// array with different values
+$offsets =  array (
+
+  // float values
+  1.5,
+  -1.5,
+  1.5e10,
+  1.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new sample(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  //resource
+  $file_handle,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of stripos()
+$counter = 1;
+for($index = 0; $index < count($offsets); $index ++) {
+  echo "-- Iteration $counter --\n";
+  var_dump( stripos($haystack, $needle, $offsets[$index]) );
+  $counter ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function with unexpected values for haystack and needle ***
+-- Iteration 1 --
+int(6)
+-- Iteration 2 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 4 --
+int(6)
+-- Iteration 5 --
+int(6)
+-- Iteration 6 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+int(6)
+-- Iteration 12 --
+int(6)
+-- Iteration 13 --
+int(6)
+-- Iteration 14 --
+int(6)
+-- Iteration 15 --
+
+Warning: stripos() expects parameter 3 to be long, object given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: stripos() expects parameter 3 to be long, string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: stripos() expects parameter 3 to be long, string given in %s on line %d
+NULL
+-- Iteration 18 --
+int(6)
+-- Iteration 19 --
+int(6)
+-- Iteration 20 --
+
+Warning: stripos() expects parameter 3 to be long, resource given in %s on line %d
+NULL
+-- Iteration 21 --
+int(6)
+-- Iteration 22 --
+int(6)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function with unexpected values for haystack and needle ***
+-- Iteration 1 --
+int(6)
+-- Iteration 2 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 4 --
+int(6)
+-- Iteration 5 --
+int(6)
+-- Iteration 6 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+int(6)
+-- Iteration 12 --
+int(6)
+-- Iteration 13 --
+int(6)
+-- Iteration 14 --
+int(6)
+-- Iteration 15 --
+
+Warning: stripos() expects parameter 3 to be long, object given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: stripos() expects parameter 3 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: stripos() expects parameter 3 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 18 --
+int(6)
+-- Iteration 19 --
+int(6)
+-- Iteration 20 --
+
+Warning: stripos() expects parameter 3 to be long, resource given in %s on line %d
+NULL
+-- Iteration 21 --
+int(6)
+-- Iteration 22 --
+int(6)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation15.phpt b/ext/standard/tests/strings/stripos_variation15.phpt
new file mode 100644
index 0000000000..3f443899bd
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation15.phpt
@@ -0,0 +1,254 @@
+--TEST--
+Test stripos() function : usage variations - unexpected inputs for 'haystack', 'needle' & 'offset'
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with unexpected inputs for haystack, needle & offset */
+
+echo "*** Testing stripos() function with unexpected values for haystack, needle & offset ***\n";
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// defining a class
+class sample  {
+  public function __toString() {
+    return "object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values
+$values =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new sample(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  //resource
+  $file_handle,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of stripos()
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  var_dump( stripos($values[$index], $values[$index], $values[$index]) );
+  $counter ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function with unexpected values for haystack, needle & offset ***
+-- Iteration 1 --
+bool(false)
+-- Iteration 2 --
+bool(false)
+-- Iteration 3 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 8 --
+bool(false)
+-- Iteration 9 --
+bool(false)
+-- Iteration 10 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 15 --
+bool(false)
+-- Iteration 16 --
+bool(false)
+-- Iteration 17 --
+bool(false)
+-- Iteration 18 --
+bool(false)
+-- Iteration 19 --
+
+Warning: stripos() expects parameter 3 to be long, object given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: stripos() expects parameter 3 to be long, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: stripos() expects parameter 3 to be long, string given in %s on line %d
+NULL
+-- Iteration 22 --
+bool(false)
+-- Iteration 23 --
+bool(false)
+-- Iteration 24 --
+
+Warning: stripos() expects parameter 3 to be long, resource given in %s on line %d
+NULL
+-- Iteration 25 --
+bool(false)
+-- Iteration 26 --
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function with unexpected values for haystack, needle & offset ***
+-- Iteration 1 --
+bool(false)
+-- Iteration 2 --
+bool(false)
+-- Iteration 3 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+-- Iteration 8 --
+bool(false)
+-- Iteration 9 --
+bool(false)
+-- Iteration 10 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: stripos() expects parameter 3 to be long, array given in %s on line %d
+NULL
+-- Iteration 15 --
+bool(false)
+-- Iteration 16 --
+bool(false)
+-- Iteration 17 --
+bool(false)
+-- Iteration 18 --
+bool(false)
+-- Iteration 19 --
+
+Warning: stripos() expects parameter 3 to be long, object given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: stripos() expects parameter 3 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: stripos() expects parameter 3 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 22 --
+bool(false)
+-- Iteration 23 --
+bool(false)
+-- Iteration 24 --
+
+Warning: stripos() expects parameter 3 to be long, resource given in %s on line %d
+NULL
+-- Iteration 25 --
+bool(false)
+-- Iteration 26 --
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation2.phpt b/ext/standard/tests/strings/stripos_variation2.phpt
new file mode 100644
index 0000000000..48ce5e968e
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation2.phpt
@@ -0,0 +1,360 @@
+--TEST--
+Test stripos() function : usage variations - single quoted strings for 'haystack' & 'needle' arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing single quoted strings to 'haystack' & 'needle' arguments */
+
+echo "*** Testing stripos() function: with single quoted strings ***\n";
+$haystack = 'Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 ';
+$needle = array(
+  //regular strings
+  'l',
+  'L',
+  'HELLO',
+  'hEllo',
+
+  //escape characters
+  '\t',
+  '\T',
+  '     ',
+  '\n',
+  '\N',
+  '
+',  //new line
+
+  //nulls
+  '\0',
+  NULL,
+  null,
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  '',
+
+  //special chars
+  ' ',
+  '$',
+  ' $',
+  '&',
+  '!#',
+  '%\o',
+  '\o,',
+  '()',
+  '*+',
+  '+',
+  '-',
+  '.',
+  '.;',
+  '.;',
+  ':;',
+  ';',
+  '<=>',
+  '>',
+  '=>',
+  '?',
+  '@',
+  '@hEllo',
+
+  '12345', //decimal numeric string
+  '\x23',  //hexadecimal numeric string
+  '#',  //hexadecimal numeric string
+  '\101',  //octal numeric string
+  '456HEE',  //numerics + chars
+  42, //needle as int(ASCII value of '*')
+  $haystack  //haystack as needle
+);
+
+/* loop through 'needle' array to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "-- Iteration $count --\n";
+  var_dump( stripos($haystack, $needle[$index]) );
+  var_dump( stripos($haystack, $needle[$index], $index) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with single quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(38)
+-- Iteration 4 --
+int(0)
+int(38)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+int(6)
+int(6)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(8)
+int(8)
+-- Iteration 9 --
+int(8)
+int(8)
+-- Iteration 10 --
+bool(false)
+bool(false)
+-- Iteration 11 --
+int(10)
+int(10)
+-- Iteration 12 --
+bool(false)
+bool(false)
+-- Iteration 13 --
+bool(false)
+bool(false)
+-- Iteration 14 --
+bool(false)
+bool(false)
+-- Iteration 15 --
+bool(false)
+bool(false)
+-- Iteration 16 --
+bool(false)
+bool(false)
+-- Iteration 17 --
+int(14)
+int(51)
+-- Iteration 18 --
+int(16)
+bool(false)
+-- Iteration 19 --
+int(15)
+bool(false)
+-- Iteration 20 --
+int(17)
+bool(false)
+-- Iteration 21 --
+int(18)
+bool(false)
+-- Iteration 22 --
+int(20)
+bool(false)
+-- Iteration 23 --
+int(21)
+bool(false)
+-- Iteration 24 --
+int(24)
+int(24)
+-- Iteration 25 --
+int(26)
+int(26)
+-- Iteration 26 --
+int(27)
+int(27)
+-- Iteration 27 --
+int(28)
+int(28)
+-- Iteration 28 --
+int(29)
+int(29)
+-- Iteration 29 --
+bool(false)
+bool(false)
+-- Iteration 30 --
+bool(false)
+bool(false)
+-- Iteration 31 --
+int(31)
+int(31)
+-- Iteration 32 --
+int(32)
+int(32)
+-- Iteration 33 --
+int(33)
+int(33)
+-- Iteration 34 --
+int(35)
+int(35)
+-- Iteration 35 --
+int(34)
+int(34)
+-- Iteration 36 --
+int(36)
+int(36)
+-- Iteration 37 --
+int(37)
+int(37)
+-- Iteration 38 --
+int(37)
+int(37)
+-- Iteration 39 --
+int(43)
+int(43)
+-- Iteration 40 --
+int(52)
+int(52)
+-- Iteration 41 --
+int(19)
+bool(false)
+-- Iteration 42 --
+int(58)
+int(58)
+-- Iteration 43 --
+bool(false)
+bool(false)
+-- Iteration 44 --
+int(26)
+bool(false)
+-- Iteration 45 --
+int(0)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with single quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(38)
+-- Iteration 4 --
+int(0)
+int(38)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+int(6)
+int(6)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(8)
+int(8)
+-- Iteration 9 --
+int(8)
+int(8)
+-- Iteration 10 --
+bool(false)
+bool(false)
+-- Iteration 11 --
+int(10)
+int(10)
+-- Iteration 12 --
+bool(false)
+int(63)
+-- Iteration 13 --
+bool(false)
+int(63)
+-- Iteration 14 --
+bool(false)
+int(63)
+-- Iteration 15 --
+bool(false)
+int(63)
+-- Iteration 16 --
+bool(false)
+bool(false)
+-- Iteration 17 --
+int(14)
+int(51)
+-- Iteration 18 --
+int(16)
+bool(false)
+-- Iteration 19 --
+int(15)
+bool(false)
+-- Iteration 20 --
+int(17)
+bool(false)
+-- Iteration 21 --
+int(18)
+bool(false)
+-- Iteration 22 --
+int(20)
+bool(false)
+-- Iteration 23 --
+int(21)
+bool(false)
+-- Iteration 24 --
+int(24)
+int(24)
+-- Iteration 25 --
+int(26)
+int(26)
+-- Iteration 26 --
+int(27)
+int(27)
+-- Iteration 27 --
+int(28)
+int(28)
+-- Iteration 28 --
+int(29)
+int(29)
+-- Iteration 29 --
+bool(false)
+bool(false)
+-- Iteration 30 --
+bool(false)
+bool(false)
+-- Iteration 31 --
+int(31)
+int(31)
+-- Iteration 32 --
+int(32)
+int(32)
+-- Iteration 33 --
+int(33)
+int(33)
+-- Iteration 34 --
+int(35)
+int(35)
+-- Iteration 35 --
+int(34)
+int(34)
+-- Iteration 36 --
+int(36)
+int(36)
+-- Iteration 37 --
+int(37)
+int(37)
+-- Iteration 38 --
+int(37)
+int(37)
+-- Iteration 39 --
+int(43)
+int(43)
+-- Iteration 40 --
+int(52)
+int(52)
+-- Iteration 41 --
+int(19)
+bool(false)
+-- Iteration 42 --
+int(58)
+int(58)
+-- Iteration 43 --
+bool(false)
+bool(false)
+-- Iteration 44 --
+int(26)
+bool(false)
+-- Iteration 45 --
+int(0)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation3.phpt b/ext/standard/tests/strings/stripos_variation3.phpt
new file mode 100644
index 0000000000..012dbf4930
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation3.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test stripos() function : usage variations - multiline heredoc strings for 'haystack' arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing multi-line heredoc string for 'haystack' arguments */
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing multi lines --\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+var_dump( stripos($multi_line_str, "ing", 0) );
+var_dump( stripos($multi_line_str, "ing", 15) );
+var_dump( stripos($multi_line_str, "ing", 22) );
+var_dump( stripos($multi_line_str, "") );
+var_dump( stripos($multi_line_str, " ") );
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing multi lines --
+int(14)
+int(23)
+int(23)
+bool(false)
+int(7)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing multi lines --
+int(14)
+int(23)
+int(23)
+bool(false)
+int(7)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation4.phpt b/ext/standard/tests/strings/stripos_variation4.phpt
new file mode 100644
index 0000000000..ee611dccb3
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation4.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing special chars for 'haystack' arguments
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing heredoc string containing special chars for 'haystack' arguments */
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing special chars --\n";
+$special_chars_str = <<<EOD
+Ex'ple of h'doc st'g, contains
+$#%^*&*_("_")!#@@!$#$^^&$*(special)
+chars.
+EOD;
+var_dump( stripos($special_chars_str, "Ex'ple", 0) );
+var_dump( stripos($special_chars_str, "!@@!", 23) );
+var_dump( stripos($special_chars_str, '_') );
+var_dump( stripos($special_chars_str, '("_")') );
+var_dump( stripos($special_chars_str, "$*") );
+var_dump( stripos($special_chars_str, "$*", 10) );
+var_dump( stripos($special_chars_str, "(special)") );
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing special chars --
+int(0)
+bool(false)
+int(38)
+int(39)
+int(55)
+int(55)
+int(57)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing special chars --
+int(0)
+bool(false)
+int(38)
+int(39)
+int(55)
+int(55)
+int(57)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation5.phpt b/ext/standard/tests/strings/stripos_variation5.phpt
new file mode 100644
index 0000000000..7d8f90b6f4
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation5.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing escape chars for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing heredoc string containing escape chars for 'haystack' */
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing escape characters --\n";
+$control_char_str = <<<EOD
+Hello, World\n
+Hello\tWorld
+EOD;
+var_dump( stripos($control_char_str, "\n") );
+var_dump( stripos($control_char_str, "\t") );
+var_dump( stripos($control_char_str, "\n", 12) );
+var_dump( stripos($control_char_str, "\t", 15) );
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing escape characters --
+int(12)
+int(19)
+int(12)
+int(19)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing escape characters --
+int(12)
+int(19)
+int(12)
+int(19)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation6.phpt b/ext/standard/tests/strings/stripos_variation6.phpt
new file mode 100644
index 0000000000..7ed69cec2b
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation6.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing quotes for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing heredoc string containing quotes for 'haystack' */
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing quote & slash chars --\n";
+$quote_char_str = <<<EOD
+it's bright,but i cann't see it.
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOD;
+var_dump( stripos($quote_char_str, "line") );
+var_dump( stripos($quote_char_str, 'things') );
+var_dump( stripos($quote_char_str, 'things', 0) );
+var_dump( stripos($quote_char_str, "things", 20) );
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing quote & slash chars --
+int(88)
+int(34)
+int(34)
+int(34)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing quote & slash chars --
+int(88)
+int(34)
+int(34)
+int(34)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation7.phpt b/ext/standard/tests/strings/stripos_variation7.phpt
new file mode 100644
index 0000000000..fb5f42706c
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation7.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test stripos() function : usage variations - empty heredoc string for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function by passing empty heredoc string for 'haystack' argument */
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With empty heredoc string --\n";
+$empty_string = <<<EOD
+EOD;
+var_dump( stripos($empty_string, "") );
+var_dump( stripos($empty_string, "", 1) );
+var_dump( stripos($empty_string, FALSE) );
+var_dump( stripos($empty_string, NULL) );
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With empty heredoc string --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: with heredoc strings ***
+-- With empty heredoc string --
+bool(false)
+
+Warning: stripos(): Offset not contained in string in %s on line %d
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation8.phpt b/ext/standard/tests/strings/stripos_variation8.phpt
new file mode 100644
index 0000000000..1266427246
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation8.phpt
@@ -0,0 +1,393 @@
+--TEST--
+Test stripos() function : usage variations - repetitive chars for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with strings containing repetitive chars for 'haystak' and with various 'offset's */
+
+echo "*** Testing stripos() function: variations with offset ***\n";
+$haystack = "aBAbaBAbaBabAbAbaBa";
+$needles = array(
+  "aba",
+  "aBA",
+  "ABA",
+  "Aba",
+  "BAb",
+  "bab",
+  "bAb",
+  "BAB"
+);
+
+/* loop through to consider various offsets in getting the position of the needle in haystack string */
+$count = 1;
+for($index = 0; $index < count($needles); $index++) {
+  echo "\n-- Iteration $count --\n";
+  for($offset = 0; $offset <= strlen($haystack); $offset++ ) {
+    var_dump( stripos($haystack, $needles[$index], $offset) );
+  }
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function: variations with offset ***
+
+-- Iteration 1 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 2 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 3 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 4 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 5 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 6 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 7 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 8 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
+--UEXPECTF--
+*** Testing stripos() function: variations with offset ***
+
+-- Iteration 1 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 2 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 3 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 4 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 5 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 6 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 7 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 8 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
diff --git a/ext/standard/tests/strings/stripos_variation9.phpt b/ext/standard/tests/strings/stripos_variation9.phpt
new file mode 100644
index 0000000000..993b8f1e06
--- /dev/null
+++ b/ext/standard/tests/strings/stripos_variation9.phpt
@@ -0,0 +1,182 @@
+--TEST--
+Test stripos() function : usage variations - unexpected inputs for 'haystack' argument
+--FILE--
+<?php
+/* Prototype  : int stripos ( string $haystack, string $needle [, int $offset] );
+ * Description: Find position of first occurrence of a case-insensitive string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test stripos() function with unexpected inputs for haystack argument */
+
+echo "*** Testing stripos() function with unexpected values for haystack ***\n";
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// declaring a class
+class sample  {
+  public function __toString() {
+    return "object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values
+$haystacks =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new sample(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  // resource
+  $file_handle,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+$needle = "heredoc 0 1 2 -2 10.5 -10.5 10.5e10 10.6E-10 .5 array true false object \"\" null Resource";
+
+// loop through each element of the array and check the working of stripos()
+$counter = 1;
+for($index = 0; $index < count($haystacks); $index ++) {
+  echo "\n-- Iteration $counter --\n";
+  var_dump( stripos($haystacks[$index], $needle) );
+  $counter ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing stripos() function with unexpected values for haystack ***
+
+-- Iteration 1 --
+bool(false)
+
+-- Iteration 2 --
+bool(false)
+
+-- Iteration 3 --
+bool(false)
+
+-- Iteration 4 --
+bool(false)
+
+-- Iteration 5 --
+bool(false)
+
+-- Iteration 6 --
+bool(false)
+
+-- Iteration 7 --
+bool(false)
+
+-- Iteration 8 --
+bool(false)
+
+-- Iteration 9 --
+bool(false)
+
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+-- Iteration 13 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+-- Iteration 14 --
+
+Notice: Array to string conversion in %s on line %d
+bool(false)
+
+-- Iteration 15 --
+bool(false)
+
+-- Iteration 16 --
+bool(false)
+
+-- Iteration 17 --
+bool(false)
+
+-- Iteration 18 --
+bool(false)
+
+-- Iteration 19 --
+bool(false)
+
+-- Iteration 20 --
+bool(false)
+
+-- Iteration 21 --
+bool(false)
+
+-- Iteration 22 --
+bool(false)
+
+-- Iteration 23 --
+bool(false)
+
+-- Iteration 24 --
+bool(false)
+
+-- Iteration 25 --
+bool(false)
+
+-- Iteration 26 --
+bool(false)
+*** Done ***