New testcases for array_pad() function

8 files changed, 2451 insertions, 0 deletions

diff --git a/ext/standard/tests/array/array_pad_error.phpt b/ext/standard/tests/array/array_pad_error.phpt
new file mode 100644
index 0000000000..63b4c83bf0
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_error.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test array_pad() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size 
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_pad() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing array_pad() function with Zero arguments --\n";
+var_dump( array_pad() );
+
+//Test array_pad with one more than the expected number of arguments
+echo "\n-- Testing array_pad() function with more than expected no. of arguments --\n";
+$input = array(1, 2);
+$pad_size = 10;
+$pad_value = 1;
+$extra_arg = 10;
+var_dump( array_pad($input, $pad_size, $pad_value, $extra_arg) );
+
+// Testing array_pad with less than the expected number of arguments
+echo "\n-- Testing array_pad() function with less than expected no. of arguments --\n";
+$input = array(1, 2);
+$pad_size = 10;
+var_dump( array_pad($input, $pad_size) );
+var_dump( array_pad($input) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : error conditions ***
+
+-- Testing array_pad() function with Zero arguments --
+
+Warning: array_pad() expects exactly 3 parameters, 0 given in %s on line %d
+NULL
+
+-- Testing array_pad() function with more than expected no. of arguments --
+
+Warning: array_pad() expects exactly 3 parameters, 4 given in %s on line %d
+NULL
+
+-- Testing array_pad() function with less than expected no. of arguments --
+
+Warning: array_pad() expects exactly 3 parameters, 2 given in %s on line %d
+NULL
+
+Warning: array_pad() expects exactly 3 parameters, 1 given in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_pad_variation1.phpt b/ext/standard/tests/array/array_pad_variation1.phpt
new file mode 100644
index 0000000000..18a7044b3a
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation1.phpt
@@ -0,0 +1,270 @@
+--TEST--
+Test array_pad() function : usage variations - unexpected values for 'input' argument 
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_pad() function by passing values to $input argument other than arrays
+* and see that function outputs proper warning messages wherever expected.
+* The $pad_size and $pad_value arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : passing non array values to \$input argument ***\n";
+
+// Initialise $pad_size and $pad_value
+$pad_size = 10;
+$pad_value = 1;
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "Class A object";
+  }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $input argument
+$inputs = array(
+
+       // int data
+/*1*/  0,
+       1,
+       12345,
+       -2345,
+
+       // float data
+/*5*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5,
+
+       // null data
+/*10*/ NULL,
+       null,
+
+       // boolean data
+/*12*/ true,
+       false,
+       TRUE,
+       FALSE,
+       // empty data
+/*16*/ "",
+       '',
+
+       // string data
+/*18*/ "string",
+       'string',
+       $heredoc,
+
+       // object data
+/*21*/ new classA(),
+
+       // undefined data
+/*22*/ @$undefined_var,
+
+       // unset data
+/*23*/ @$unset_var,
+
+       // resource variable
+/*24*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_pad()
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --";
+  var_dump( array_pad($input, $pad_size, $pad_value) );  // positive 'pad_size'
+  var_dump( array_pad($input, -$pad_size, $pad_value) );  // negative 'pad_size'
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : passing non array values to $input argument ***
+
+-- Iteration 1 --
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+-- Iteration 2 --
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+-- Iteration 3 --
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+-- Iteration 4 --
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+
+-- Iteration 5 --
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+-- Iteration 6 --
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+-- Iteration 7 --
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+-- Iteration 8 --
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+-- Iteration 9 --
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, double given in %s on line %d
+NULL
+
+-- Iteration 10 --
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+-- Iteration 11 --
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+-- Iteration 12 --
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+-- Iteration 13 --
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+-- Iteration 14 --
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+-- Iteration 15 --
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+
+-- Iteration 16 --
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+-- Iteration 17 --
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+-- Iteration 18 --
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+-- Iteration 19 --
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+-- Iteration 20 --
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, string given in %s on line %d
+NULL
+
+-- Iteration 21 --
+Warning: array_pad() expects parameter 1 to be array, object given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, object given in %s on line %d
+NULL
+
+-- Iteration 22 --
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+-- Iteration 23 --
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, null given in %s on line %d
+NULL
+
+-- Iteration 24 --
+Warning: array_pad() expects parameter 1 to be array, resource given in %s on line %d
+NULL
+
+Warning: array_pad() expects parameter 1 to be array, resource given in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_pad_variation2.phpt b/ext/standard/tests/array/array_pad_variation2.phpt
new file mode 100644
index 0000000000..0267f203bb
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation2.phpt
@@ -0,0 +1,256 @@
+--TEST--
+Test array_pad() function : usage variations - unexpected values for 'pad_size' argument(Bug#43482)
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_pad() function by passing values to $pad_size argument other than integers
+* and see that function outputs proper warning messages wherever expected.
+* The $input and $pad_value arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : passing non integer values to \$pad_size argument ***\n";
+
+// Initialise $input and $pad_value arguments
+$input = array(1, 2);
+$pad_value = 1;
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "Class A object";
+  }
+}
+
+//array of values to iterate over
+$pad_sizes = array(
+
+      // float data
+/*1*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       -12.3456789000e10,
+       12.3456789000E-10,
+       .5,
+
+       // array data
+/*6*/  array(),
+       array(0),
+       array(1),
+       array(1, 2),
+       array('color' => 'red', 'item' => 'pen'),
+
+       // null data
+/*11*/ NULL,
+       null,
+
+       // boolean data
+/*13*/ true,
+       false,
+       TRUE,
+       FALSE,
+
+       // empty data
+/*17*/ "",
+       '',
+
+       // string data
+/*19*/ "string",
+       'string',
+
+       // object data
+/*21*/ new classA(),
+ 
+       // undefined data
+/*22*/ @$undefined_var,
+
+       // unset data
+/*23*/ @$unset_var,
+);
+
+// loop through each element of $pad_sizes to check the behavior of array_pad()
+$iterator = 1;
+foreach($pad_sizes as $pad_size) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_pad($input, $pad_size, $pad_value) );
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : passing non integer values to $pad_size argument ***
+-- Iteration 1 --
+array(10) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(1)
+  [3]=>
+  int(1)
+  [4]=>
+  int(1)
+  [5]=>
+  int(1)
+  [6]=>
+  int(1)
+  [7]=>
+  int(1)
+  [8]=>
+  int(1)
+  [9]=>
+  int(1)
+}
+-- Iteration 2 --
+array(10) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(1)
+  [2]=>
+  int(1)
+  [3]=>
+  int(1)
+  [4]=>
+  int(1)
+  [5]=>
+  int(1)
+  [6]=>
+  int(1)
+  [7]=>
+  int(1)
+  [8]=>
+  int(1)
+  [9]=>
+  int(2)
+}
+-- Iteration 3 --
+
+Warning: array_pad(): You may only pad up to 1048576 elements at a time in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: array_pad(): You may only pad up to 1048576 elements at a time in %s on line %d
+bool(false)
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 6 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 7 --
+
+Warning: array_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: array_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: array_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: array_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: array_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 12 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 13 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 14 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 15 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 16 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 17 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 18 --
+
+Warning: array_pad() expects parameter 2 to be long, string given in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: array_pad() expects parameter 2 to be long, string given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: array_pad() expects parameter 2 to be long, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: array_pad() expects parameter 2 to be long, string given in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: array_pad() expects parameter 2 to be long, object given in %s on line %d
+NULL
+-- Iteration 23 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+-- Iteration 24 --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+Done
diff --git a/ext/standard/tests/array/array_pad_variation3.phpt b/ext/standard/tests/array/array_pad_variation3.phpt
new file mode 100644
index 0000000000..f7aa025e28
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation3.phpt
@@ -0,0 +1,873 @@
+--TEST--
+Test array_pad() function : usage variations - possible values for 'pad_value' argument
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size 
+ * Source code: ext/standard/array.c
+*/
+
+/* 
+* Testing array_pad() function for expected behavior by passing
+* different possible values for $pad_value argument.
+* $input and $pad_size arguments take fixed value.
+*/
+
+echo "*** Testing array_pad() : possible values for \$pad_value argument ***\n";
+
+// Initialise $input and $pad_size argument
+$input = array(1, 2);
+$pad_size = 4;
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "Class A object";
+  }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a reference variable
+$value = "hello";
+$reference = &$value;
+
+// different values to be passed to $pad_value argument
+$pad_values = array(
+
+       // int data
+/*1*/  0,
+       1,
+       12345,
+       -2345,
+
+       // float data
+/*5*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+      .5,
+
+       // array data
+/*10*/ array(),
+       array(0),
+       array(1),
+       array(1, 2),
+       array('color' => 'red', 'item' => 'pen'),
+
+       // null data
+/*15*/ NULL,
+       null,
+
+       // boolean data
+/*17*/ true,
+       false,
+       TRUE,
+       FALSE,
+
+       // empty data
+/*21*/ "",
+       '',
+
+       // string data
+/*23*/ "string",
+       'string',
+       $heredoc,
+
+       // strings with different white spaces
+/*26*/ "\v\fHello\t world!! \rstring\n",
+       '\v\fHello\t world!! \rstring\n',
+
+       // object data
+/*28*/ new classA(),
+
+       // undefined data
+/*29*/ @$undefined_var,
+
+       // unset data
+/*30*/ @$unset_var,
+  
+       // resource variable
+/*31*/ $fp,
+
+       // reference variable
+/*32*/ $reference
+);
+
+// loop through each element of $pad_values to check the behavior of array_pad()
+$iterator = 1;
+foreach($pad_values as $pad_value) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_pad($input, $pad_size, $pad_value) );  // positive 'pad_size'
+  var_dump( array_pad($input, -$pad_size, $pad_value) );  // negative 'pad_size'
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : possible values for $pad_value argument ***
+-- Iteration 1 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(0)
+  [3]=>
+  int(0)
+}
+array(4) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 2 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(1)
+  [3]=>
+  int(1)
+}
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(1)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 3 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(12345)
+  [3]=>
+  int(12345)
+}
+array(4) {
+  [0]=>
+  int(12345)
+  [1]=>
+  int(12345)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 4 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(-2345)
+  [3]=>
+  int(-2345)
+}
+array(4) {
+  [0]=>
+  int(-2345)
+  [1]=>
+  int(-2345)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 5 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  float(10.5)
+  [3]=>
+  float(10.5)
+}
+array(4) {
+  [0]=>
+  float(10.5)
+  [1]=>
+  float(10.5)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 6 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  float(-10.5)
+  [3]=>
+  float(-10.5)
+}
+array(4) {
+  [0]=>
+  float(-10.5)
+  [1]=>
+  float(-10.5)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 7 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  float(123456789000)
+  [3]=>
+  float(123456789000)
+}
+array(4) {
+  [0]=>
+  float(123456789000)
+  [1]=>
+  float(123456789000)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 8 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  float(1.23456789E-9)
+  [3]=>
+  float(1.23456789E-9)
+}
+array(4) {
+  [0]=>
+  float(1.23456789E-9)
+  [1]=>
+  float(1.23456789E-9)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 9 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  float(0.5)
+  [3]=>
+  float(0.5)
+}
+array(4) {
+  [0]=>
+  float(0.5)
+  [1]=>
+  float(0.5)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 10 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  array(0) {
+  }
+  [3]=>
+  array(0) {
+  }
+}
+array(4) {
+  [0]=>
+  array(0) {
+  }
+  [1]=>
+  array(0) {
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 11 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  array(1) {
+    [0]=>
+    int(0)
+  }
+  [3]=>
+  array(1) {
+    [0]=>
+    int(0)
+  }
+}
+array(4) {
+  [0]=>
+  array(1) {
+    [0]=>
+    int(0)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(0)
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 12 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  array(1) {
+    [0]=>
+    int(1)
+  }
+  [3]=>
+  array(1) {
+    [0]=>
+    int(1)
+  }
+}
+array(4) {
+  [0]=>
+  array(1) {
+    [0]=>
+    int(1)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(1)
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 13 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  array(2) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+  }
+  [3]=>
+  array(2) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+  }
+}
+array(4) {
+  [0]=>
+  array(2) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+  }
+  [1]=>
+  array(2) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 14 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  array(2) {
+    ["color"]=>
+    string(3) "red"
+    ["item"]=>
+    string(3) "pen"
+  }
+  [3]=>
+  array(2) {
+    ["color"]=>
+    string(3) "red"
+    ["item"]=>
+    string(3) "pen"
+  }
+}
+array(4) {
+  [0]=>
+  array(2) {
+    ["color"]=>
+    string(3) "red"
+    ["item"]=>
+    string(3) "pen"
+  }
+  [1]=>
+  array(2) {
+    ["color"]=>
+    string(3) "red"
+    ["item"]=>
+    string(3) "pen"
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 15 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  NULL
+  [3]=>
+  NULL
+}
+array(4) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 16 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  NULL
+  [3]=>
+  NULL
+}
+array(4) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 17 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  bool(true)
+  [3]=>
+  bool(true)
+}
+array(4) {
+  [0]=>
+  bool(true)
+  [1]=>
+  bool(true)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 18 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  bool(false)
+  [3]=>
+  bool(false)
+}
+array(4) {
+  [0]=>
+  bool(false)
+  [1]=>
+  bool(false)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 19 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  bool(true)
+  [3]=>
+  bool(true)
+}
+array(4) {
+  [0]=>
+  bool(true)
+  [1]=>
+  bool(true)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 20 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  bool(false)
+  [3]=>
+  bool(false)
+}
+array(4) {
+  [0]=>
+  bool(false)
+  [1]=>
+  bool(false)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 21 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+}
+array(4) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 22 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+}
+array(4) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 23 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(6) "string"
+  [3]=>
+  string(6) "string"
+}
+array(4) {
+  [0]=>
+  string(6) "string"
+  [1]=>
+  string(6) "string"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 24 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(6) "string"
+  [3]=>
+  string(6) "string"
+}
+array(4) {
+  [0]=>
+  string(6) "string"
+  [1]=>
+  string(6) "string"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 25 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(11) "hello world"
+  [3]=>
+  string(11) "hello world"
+}
+array(4) {
+  [0]=>
+  string(11) "hello world"
+  [1]=>
+  string(11) "hello world"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 26 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(25) "Hello	 world!! 
+string
+"
+  [3]=>
+  string(25) "Hello	 world!! 
+string
+"
+}
+array(4) {
+  [0]=>
+  string(25) "Hello	 world!! 
+string
+"
+  [1]=>
+  string(25) "Hello	 world!! 
+string
+"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 27 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(30) "\v\fHello\t world!! \rstring\n"
+  [3]=>
+  string(30) "\v\fHello\t world!! \rstring\n"
+}
+array(4) {
+  [0]=>
+  string(30) "\v\fHello\t world!! \rstring\n"
+  [1]=>
+  string(30) "\v\fHello\t world!! \rstring\n"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 28 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  object(classA)#%d (0) {
+  }
+  [3]=>
+  object(classA)#%d (0) {
+  }
+}
+array(4) {
+  [0]=>
+  object(classA)#%d (0) {
+  }
+  [1]=>
+  object(classA)#%d (0) {
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 29 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  NULL
+  [3]=>
+  NULL
+}
+array(4) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 30 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  NULL
+  [3]=>
+  NULL
+}
+array(4) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 31 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  resource(%d) of type (stream)
+  [3]=>
+  resource(%d) of type (stream)
+}
+array(4) {
+  [0]=>
+  resource(%d) of type (stream)
+  [1]=>
+  resource(%d) of type (stream)
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+-- Iteration 32 --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(5) "hello"
+  [3]=>
+  string(5) "hello"
+}
+array(4) {
+  [0]=>
+  string(5) "hello"
+  [1]=>
+  string(5) "hello"
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+}
+Done
diff --git a/ext/standard/tests/array/array_pad_variation4.phpt b/ext/standard/tests/array/array_pad_variation4.phpt
new file mode 100644
index 0000000000..83c1e8300d
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation4.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Test array_pad() function : usage variations - binary safe checking
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing binary values to $pad_value argument and testing whether
+* array_pad() behaves in an expected way with the other arguments passed to the function.
+* The $input and $pad_size arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : Passing binary values to \$pad_value argument ***\n";
+
+// initialize the $input and $pad_size argument
+$input = array(1, 2, 3);
+$pad_size = 6;
+
+// initialize $pad_value with reference variable
+$binary = b"hello";
+
+var_dump( array_pad($input, $pad_size, $binary) );  // positive 'pad_size'
+var_dump( array_pad($input, -$pad_size, $binary) );  // negative 'pad_size'
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : Passing binary values to $pad_value argument ***
+array(6) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+  [3]=>
+  string(5) "hello"
+  [4]=>
+  string(5) "hello"
+  [5]=>
+  string(5) "hello"
+}
+array(6) {
+  [0]=>
+  string(5) "hello"
+  [1]=>
+  string(5) "hello"
+  [2]=>
+  string(5) "hello"
+  [3]=>
+  int(1)
+  [4]=>
+  int(2)
+  [5]=>
+  int(3)
+}
+Done
diff --git a/ext/standard/tests/array/array_pad_variation5.phpt b/ext/standard/tests/array/array_pad_variation5.phpt
new file mode 100644
index 0000000000..4e8e0f1132
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation5.phpt
@@ -0,0 +1,140 @@
+--TEST--
+Test array_pad() function : usage variations - two dimensional array for 'pad_value' argument
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing two dimensional array to $pad_value argument and testing whether
+* array_pad() behaves in an expected way with the other arguments passed to the function.
+* The $input and $pad_size arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : Passing 2-d array to \$pad_value argument ***\n";
+
+// initialize the $input and $pad_size argument
+$input = array(1, 2, 3);
+$pad_size = 5;
+
+// initialize $pad_value
+$pad_value = array (
+  array(1),
+  array("hello", 'world'),
+  array("one" => 1, 'two' => 2)
+);
+
+var_dump( array_pad($input, $pad_size, $pad_value) );  // positive 'pad_value'
+var_dump( array_pad($input, -$pad_size, $pad_value) );  // negative 'pad_value'
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : Passing 2-d array to $pad_value argument ***
+array(5) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+  [3]=>
+  array(3) {
+    [0]=>
+    array(1) {
+      [0]=>
+      int(1)
+    }
+    [1]=>
+    array(2) {
+      [0]=>
+      string(5) "hello"
+      [1]=>
+      string(5) "world"
+    }
+    [2]=>
+    array(2) {
+      ["one"]=>
+      int(1)
+      ["two"]=>
+      int(2)
+    }
+  }
+  [4]=>
+  array(3) {
+    [0]=>
+    array(1) {
+      [0]=>
+      int(1)
+    }
+    [1]=>
+    array(2) {
+      [0]=>
+      string(5) "hello"
+      [1]=>
+      string(5) "world"
+    }
+    [2]=>
+    array(2) {
+      ["one"]=>
+      int(1)
+      ["two"]=>
+      int(2)
+    }
+  }
+}
+array(5) {
+  [0]=>
+  array(3) {
+    [0]=>
+    array(1) {
+      [0]=>
+      int(1)
+    }
+    [1]=>
+    array(2) {
+      [0]=>
+      string(5) "hello"
+      [1]=>
+      string(5) "world"
+    }
+    [2]=>
+    array(2) {
+      ["one"]=>
+      int(1)
+      ["two"]=>
+      int(2)
+    }
+  }
+  [1]=>
+  array(3) {
+    [0]=>
+    array(1) {
+      [0]=>
+      int(1)
+    }
+    [1]=>
+    array(2) {
+      [0]=>
+      string(5) "hello"
+      [1]=>
+      string(5) "world"
+    }
+    [2]=>
+    array(2) {
+      ["one"]=>
+      int(1)
+      ["two"]=>
+      int(2)
+    }
+  }
+  [2]=>
+  int(1)
+  [3]=>
+  int(2)
+  [4]=>
+  int(3)
+}
+Done
diff --git a/ext/standard/tests/array/array_pad_variation6.phpt b/ext/standard/tests/array/array_pad_variation6.phpt
new file mode 100644
index 0000000000..f0f5693a4a
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation6.phpt
@@ -0,0 +1,672 @@
+--TEST--
+Test array_pad() function : usage variations - different arrays for 'input' argument
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing different arrays to $input argument and testing whether
+* array_pad() behaves in an expected way with the other arguments passed to the function.
+* The $pad_size and $pad_value arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : Passing different arrays to \$input argument ***\n";
+
+/* Different heredoc strings */
+
+// heredoc with blank line
+$blank_line = <<<EOT
+
+
+EOT;
+
+// heredoc with multiline string
+$multiline_string = <<<EOT
+hello world
+The big brown fox jumped over;
+the lazy dog
+This is a double quoted string
+EOT;
+
+// heredoc with diferent whitespaces
+$diff_whitespaces = <<<EOT
+hello\r world\t
+1111\t\t != 2222\v\v
+heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
+EOT;
+
+// heredoc with quoted strings and numeric values
+$numeric_string = <<<EOT
+11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.\t 0000 = 0000\n
+EOT;
+
+// different arrays to be passed to $input argument
+$inputs = array (
+/*1*/  array(1, 2), // with default keys and numeric values
+       array(1.1, 2.2), // with default keys & float values
+       array(false,true), // with default keys and boolean values
+       array(), // empty array
+/*5*/  array(NULL), // with NULL
+       array("a\v\f", "aaaa\r", "b\tbbb", "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"),  // with double quoted strings
+       array('a\v\f', 'aaaa\r', 'b\tbbb', '\[\]\!\@\#\$\%\^\&\*\(\)\{\}'),  // with single quoted strings
+       array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $numeric_string),  // with heredocs
+
+       // associative arrays
+/*9*/  array(1 => "one", 2 => "two", 3 => "three"),  // explicit numeric keys, string values
+       array("one" => 1, "two" => 2, "three" => 3 ),  // string keys & numeric values
+       array( 1 => 10, 2 => 20, 4 => 40, 3 => 30),  // explicit numeric keys and numeric values
+       array( "one" => "ten", "two" => "twenty", "three" => "thirty"),  // string key/value
+       array("one" => 1, 2 => "two", 4 => "four"),  //mixed
+
+       // associative array, containing null/empty/boolean values as key/value
+/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
+       array(true => "true", false => "false", "false" => false, "true" => true),
+       array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
+       array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
+       array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
+
+       // array with repetative keys
+/*19*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
+);
+
+// initialize the $pad_size and $pad_value arguments
+$pad_size = 6;
+$pad_value = "HELLO";
+
+// loop through each sub-array within $inputs to check the behavior of array_pad()
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_pad($input, $pad_size, $pad_value) );  // positive 'pad_size'
+  var_dump( array_pad($input, -$pad_size, $pad_value) );  // negative 'pad_size'
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : Passing different arrays to $input argument ***
+-- Iteration 1 --
+array(6) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  int(1)
+  [5]=>
+  int(2)
+}
+-- Iteration 2 --
+array(6) {
+  [0]=>
+  float(1.1)
+  [1]=>
+  float(2.2)
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  float(1.1)
+  [5]=>
+  float(2.2)
+}
+-- Iteration 3 --
+array(6) {
+  [0]=>
+  bool(false)
+  [1]=>
+  bool(true)
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  bool(false)
+  [5]=>
+  bool(true)
+}
+-- Iteration 4 --
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+-- Iteration 5 --
+array(6) {
+  [0]=>
+  NULL
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  NULL
+}
+-- Iteration 6 --
+array(6) {
+  [0]=>
+  string(3) "a"
+  [1]=>
+  string(5) "aaaa
+"
+  [2]=>
+  string(5) "b	bbb"
+  [3]=>
+  string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(3) "a"
+  [3]=>
+  string(5) "aaaa
+"
+  [4]=>
+  string(5) "b	bbb"
+  [5]=>
+  string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 7 --
+array(6) {
+  [0]=>
+  string(5) "a\v\f"
+  [1]=>
+  string(6) "aaaa\r"
+  [2]=>
+  string(6) "b\tbbb"
+  [3]=>
+  string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "a\v\f"
+  [3]=>
+  string(6) "aaaa\r"
+  [4]=>
+  string(6) "b\tbbb"
+  [5]=>
+  string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 8 --
+array(6) {
+  ["h1"]=>
+  string(1) "
+"
+  ["h2"]=>
+  string(86) "hello world
+The big brown fox jumped over;
+the lazy dog
+This is a double quoted string"
+  ["h3"]=>
+  string(88) "hello
+ world	
+1111		 != 2222
+heredoc
+double quoted string. withdifferentwhitespaces"
+  [0]=>
+  string(90) "11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.	 0000 = 0000
+"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  ["h1"]=>
+  string(1) "
+"
+  ["h2"]=>
+  string(86) "hello world
+The big brown fox jumped over;
+the lazy dog
+This is a double quoted string"
+  ["h3"]=>
+  string(88) "hello
+ world	
+1111		 != 2222
+heredoc
+double quoted string. withdifferentwhitespaces"
+  [2]=>
+  string(90) "11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.	 0000 = 0000
+"
+}
+-- Iteration 9 --
+array(6) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  string(3) "two"
+  [2]=>
+  string(5) "three"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(3) "one"
+  [4]=>
+  string(3) "two"
+  [5]=>
+  string(5) "three"
+}
+-- Iteration 10 --
+array(6) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+  ["three"]=>
+  int(3)
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+  ["three"]=>
+  int(3)
+}
+-- Iteration 11 --
+array(6) {
+  [0]=>
+  int(10)
+  [1]=>
+  int(20)
+  [2]=>
+  int(40)
+  [3]=>
+  int(30)
+  [4]=>
+  string(5) "HELLO"
+  [5]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  int(10)
+  [3]=>
+  int(20)
+  [4]=>
+  int(40)
+  [5]=>
+  int(30)
+}
+-- Iteration 12 --
+array(6) {
+  ["one"]=>
+  string(3) "ten"
+  ["two"]=>
+  string(6) "twenty"
+  ["three"]=>
+  string(6) "thirty"
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  ["one"]=>
+  string(3) "ten"
+  ["two"]=>
+  string(6) "twenty"
+  ["three"]=>
+  string(6) "thirty"
+}
+-- Iteration 13 --
+array(6) {
+  ["one"]=>
+  int(1)
+  [0]=>
+  string(3) "two"
+  [1]=>
+  string(4) "four"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  ["one"]=>
+  int(1)
+  [3]=>
+  string(3) "two"
+  [4]=>
+  string(4) "four"
+}
+-- Iteration 14 --
+array(6) {
+  [""]=>
+  string(4) "null"
+  ["NULL"]=>
+  NULL
+  ["null"]=>
+  NULL
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [""]=>
+  string(4) "null"
+  ["NULL"]=>
+  NULL
+  ["null"]=>
+  NULL
+}
+-- Iteration 15 --
+array(6) {
+  [0]=>
+  string(4) "true"
+  [1]=>
+  string(5) "false"
+  ["false"]=>
+  bool(false)
+  ["true"]=>
+  bool(true)
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(4) "true"
+  [3]=>
+  string(5) "false"
+  ["false"]=>
+  bool(false)
+  ["true"]=>
+  bool(true)
+}
+-- Iteration 16 --
+array(6) {
+  [""]=>
+  string(6) "emptys"
+  ["emptyd"]=>
+  string(0) ""
+  ["emptys"]=>
+  string(0) ""
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [""]=>
+  string(6) "emptys"
+  ["emptyd"]=>
+  string(0) ""
+  ["emptys"]=>
+  string(0) ""
+}
+-- Iteration 17 --
+array(6) {
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  NULL
+  [4]=>
+  NULL
+  [5]=>
+  bool(false)
+  [6]=>
+  bool(true)
+}
+array(6) {
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  NULL
+  [4]=>
+  NULL
+  [5]=>
+  bool(false)
+  [6]=>
+  bool(true)
+}
+-- Iteration 18 --
+array(6) {
+  [""]=>
+  int(4)
+  [0]=>
+  int(5)
+  [1]=>
+  int(6)
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [""]=>
+  int(4)
+  [3]=>
+  int(5)
+  [4]=>
+  int(6)
+}
+-- Iteration 19 --
+array(6) {
+  ["One"]=>
+  int(10)
+  ["two"]=>
+  int(20)
+  ["three"]=>
+  int(3)
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+}
+array(6) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  ["One"]=>
+  int(10)
+  ["two"]=>
+  int(20)
+  ["three"]=>
+  int(3)
+}
+Done
diff --git a/ext/standard/tests/array/array_pad_variation7.phpt b/ext/standard/tests/array/array_pad_variation7.phpt
new file mode 100644
index 0000000000..887f351948
--- /dev/null
+++ b/ext/standard/tests/array/array_pad_variation7.phpt
@@ -0,0 +1,127 @@
+--TEST--
+Test array_pad() function : usage variations - two dimensional array for 'input' argument
+--FILE--
+<?php
+/* Prototype  : array array_pad(array $input, int $pad_size, mixed $pad_value)
+ * Description: Returns a copy of input array padded with pad_value to size pad_size
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing two dimensional array to $input argument and testing whether
+* array_pad() behaves in an expected way with the other arguments passed to the function.
+* The $pad_size and $pad_value arguments passed are fixed values.
+*/
+
+echo "*** Testing array_pad() : Passing 2-D array to \$input argument ***\n";
+
+// initialize the 2-d array
+$input = array (
+  array(1, 2, 3),
+  array("hello", 'world'),
+  array("one" => 1, "two" => 2)
+);
+
+// initialize the $pad_size and $pad_value arguments
+$pad_size = 5;
+$pad_value = "HELLO";
+
+// entire 2-d array
+echo "-- Entire 2-d array for \$input argument --\n";
+var_dump( array_pad($input, $pad_size, $pad_value) );  // positive 'pad_size'
+var_dump( array_pad($input, -$pad_size, $pad_value) );  // negative 'pad_size'
+
+// sub array
+echo "-- Sub array for \$input argument --\n";
+var_dump( array_pad($input[1], $pad_size, $pad_value) );  // positive 'pad_size'
+var_dump( array_pad($input[1], -$pad_size, $pad_value) );  // negative 'pad_size'
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_pad() : Passing 2-D array to $input argument ***
+-- Entire 2-d array for $input argument --
+array(5) {
+  [0]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [1]=>
+  array(2) {
+    [0]=>
+    string(5) "hello"
+    [1]=>
+    string(5) "world"
+  }
+  [2]=>
+  array(2) {
+    ["one"]=>
+    int(1)
+    ["two"]=>
+    int(2)
+  }
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+}
+array(5) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [3]=>
+  array(2) {
+    [0]=>
+    string(5) "hello"
+    [1]=>
+    string(5) "world"
+  }
+  [4]=>
+  array(2) {
+    ["one"]=>
+    int(1)
+    ["two"]=>
+    int(2)
+  }
+}
+-- Sub array for $input argument --
+array(5) {
+  [0]=>
+  string(5) "hello"
+  [1]=>
+  string(5) "world"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "HELLO"
+  [4]=>
+  string(5) "HELLO"
+}
+array(5) {
+  [0]=>
+  string(5) "HELLO"
+  [1]=>
+  string(5) "HELLO"
+  [2]=>
+  string(5) "HELLO"
+  [3]=>
+  string(5) "hello"
+  [4]=>
+  string(5) "world"
+}
+Done