From acf19e92652aa05ded9829782554ae017e87fc75 Mon Sep 17 00:00:00 2001
From: Raghubansh Kumar <kraghuba@php.net>
Date: Fri, 4 Jan 2008 13:59:44 +0000
Subject: [PATCH] New testcases for array_diff_assoc() function

---
 .../tests/array/array_diff_assoc_basic.phpt   | 143 +++++++
 .../tests/array/array_diff_assoc_error.phpt   |  46 +++
 .../array/array_diff_assoc_variation1.phpt    | 367 +++++++++++++++++
 .../array/array_diff_assoc_variation10.phpt   |  67 ++++
 .../array/array_diff_assoc_variation2.phpt    | 369 ++++++++++++++++++
 .../array/array_diff_assoc_variation3.phpt    | 299 ++++++++++++++
 .../array/array_diff_assoc_variation4.phpt    | 250 ++++++++++++
 .../array/array_diff_assoc_variation5.phpt    | 246 ++++++++++++
 .../array/array_diff_assoc_variation6.phpt    | 315 +++++++++++++++
 .../array/array_diff_assoc_variation7.phpt    | 152 ++++++++
 .../array/array_diff_assoc_variation8.phpt    |  66 ++++
 .../array/array_diff_assoc_variation9.phpt    | 243 ++++++++++++
 12 files changed, 2563 insertions(+)
 create mode 100644 ext/standard/tests/array/array_diff_assoc_basic.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_error.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation1.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation10.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation2.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation3.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation4.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation5.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation6.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation7.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation8.phpt
 create mode 100644 ext/standard/tests/array/array_diff_assoc_variation9.phpt

diff --git a/ext/standard/tests/array/array_diff_assoc_basic.phpt b/ext/standard/tests/array/array_diff_assoc_basic.phpt
new file mode 100644
index 0000000000..d2167544fe
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_basic.phpt
@@ -0,0 +1,143 @@
+--TEST--
+Test array_diff_assoc() function : basic functionality
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test basic functionality of array_diff_assoc
+ */
+
+echo "*** Testing array_diff_assoc() : basic functionality ***\n";
+$array_default_key = array('one',       2,            'three', '4');
+$array_numeric_key = array(1 => 'one',  2=> 'two',    3 => 4);
+$array_string_key  = array('one' => 1, 'two' => '2', '3' => 'three');
+
+
+
+echo "-- Compare Default keys to numeric keys --\n";
+var_dump(array_diff_assoc($array_default_key, $array_numeric_key));
+var_dump(array_diff_assoc($array_numeric_key, $array_default_key));
+
+
+echo "\n-- Compare Default keys to string keys --\n";
+var_dump(array_diff_assoc($array_default_key, $array_numeric_key));
+var_dump(array_diff_assoc($array_numeric_key, $array_default_key));
+
+
+echo "\n-- Compare numeric keys to string keys --\n";
+var_dump(array_diff_assoc($array_numeric_key, $array_string_key));
+var_dump(array_diff_assoc($array_string_key, $array_numeric_key));
+
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : basic functionality ***
+-- Compare Default keys to numeric keys --
+array(3) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  int(2)
+  [2]=>
+  string(5) "three"
+}
+array(2) {
+  [1]=>
+  string(3) "one"
+  [2]=>
+  string(3) "two"
+}
+
+-- Compare Default keys to string keys --
+array(3) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  int(2)
+  [2]=>
+  string(5) "three"
+}
+array(2) {
+  [1]=>
+  string(3) "one"
+  [2]=>
+  string(3) "two"
+}
+
+-- Compare numeric keys to string keys --
+array(3) {
+  [1]=>
+  string(3) "one"
+  [2]=>
+  string(3) "two"
+  [3]=>
+  int(4)
+}
+array(3) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  string(1) "2"
+  [3]=>
+  string(5) "three"
+}
+Done
+
+--UEXPECTF--
+*** Testing array_diff_assoc() : basic functionality ***
+-- Compare Default keys to numeric keys --
+array(3) {
+  [0]=>
+  unicode(3) "one"
+  [1]=>
+  int(2)
+  [2]=>
+  unicode(5) "three"
+}
+array(2) {
+  [1]=>
+  unicode(3) "one"
+  [2]=>
+  unicode(3) "two"
+}
+
+-- Compare Default keys to string keys --
+array(3) {
+  [0]=>
+  unicode(3) "one"
+  [1]=>
+  int(2)
+  [2]=>
+  unicode(5) "three"
+}
+array(2) {
+  [1]=>
+  unicode(3) "one"
+  [2]=>
+  unicode(3) "two"
+}
+
+-- Compare numeric keys to string keys --
+array(3) {
+  [1]=>
+  unicode(3) "one"
+  [2]=>
+  unicode(3) "two"
+  [3]=>
+  int(4)
+}
+array(3) {
+  [u"one"]=>
+  int(1)
+  [u"two"]=>
+  unicode(1) "2"
+  [3]=>
+  unicode(5) "three"
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_error.phpt b/ext/standard/tests/array/array_diff_assoc_error.phpt
new file mode 100644
index 0000000000..122125edcc
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_error.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test array_diff_assoc() function : error conditions - pass array_diff_assoc() too few/zero arguments
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test errors for array_diff with too few\zero arguments
+ */
+
+echo "*** Testing array_diff_assoc() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing array_diff() function with zero arguments --\n";
+var_dump( array_diff_assoc() );
+
+// Testing array_diff_assoc with one less than the expected number of arguments
+echo "\n-- Testing array_diff_assoc() function with less than expected no. of arguments --\n";
+$arr1 = array(1, 2);
+var_dump( array_diff_assoc($arr1) );
+
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : error conditions ***
+
+-- Testing array_diff() function with zero arguments --
+NULL
+
+-- Testing array_diff_assoc() function with less than expected no. of arguments --
+NULL
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : error conditions ***
+
+-- Testing array_diff() function with zero arguments --
+NULL
+
+-- Testing array_diff_assoc() function with less than expected no. of arguments --
+NULL
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation1.phpt b/ext/standard/tests/array/array_diff_assoc_variation1.phpt
new file mode 100644
index 0000000000..8394431c28
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation1.phpt
@@ -0,0 +1,367 @@
+--TEST--
+Test array_diff_assoc() function : usage variations  - unexpected values for 'arr1' argument
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c 
+ */
+
+/*
+ * Pass array_diff_assoc arguments that are not arrays in place of $arr1
+ */
+ 
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array = array(1, 2, 3);
+
+//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");
+
+//array of unexpected values to be passed to $arr1 argument 
+$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',
+       $heredoc,
+       
+       // binary data
+/*21*/ b"binary",
+	   (binary)"binary",
+	   
+       // object data
+/*23*/ new classA(),
+
+       // undefined data
+/*24*/ @$undefined_var,
+
+       // unset data
+/*25*/ @$unset_var,
+
+       // resource variable
+/*26*/ $fp,
+);
+
+// loop through each element of $inputs to check the behavior of array_diff_assoc
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump( array_diff_assoc($input, $array));
+  $iterator++;
+};
+fclose($fp);
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+
+Warning: array_diff_assoc(): Argument #1 is not an array in %s on line %d
+NULL
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation10.phpt b/ext/standard/tests/array/array_diff_assoc_variation10.phpt
new file mode 100644
index 0000000000..1425822bfa
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation10.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - binary safe check
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether 
+ * the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff_assoc() compares binary data
+ */
+
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array1 = array( b"1", 
+                 b"hello", 
+                 "world", 
+                 "str1" => "hello", 
+                 "str2" => "world");
+
+$array2 = array( b"1" => 'hello',
+                 b"world",
+                 "hello", 
+                 'test');
+
+var_dump(array_diff_assoc($array1, $array2));
+var_dump(array_diff_assoc($array2, $array1));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+array(3) {
+  [0]=>
+  string(1) "1"
+  ["str1"]=>
+  string(5) "hello"
+  ["str2"]=>
+  string(5) "world"
+}
+array(2) {
+  [3]=>
+  string(5) "hello"
+  [4]=>
+  string(4) "test"
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+array(3) {
+  [0]=>
+  string(1) "1"
+  [u"str1"]=>
+  unicode(5) "hello"
+  [u"str2"]=>
+  unicode(5) "world"
+}
+array(2) {
+  [3]=>
+  unicode(5) "hello"
+  [4]=>
+  unicode(4) "test"
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation2.phpt b/ext/standard/tests/array/array_diff_assoc_variation2.phpt
new file mode 100644
index 0000000000..7d27189cab
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation2.phpt
@@ -0,0 +1,369 @@
+--TEST--
+Test array_diff_assoc() function : usage variations  - unexpected values for 'arr1' argument
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c 
+ */
+
+/*
+ * pass array_diff_assoc arguments which are not arrays in place of $arr2
+ */
+
+echo "\n*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array = array(1, 2, 3);
+
+//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");
+
+//array of unexpected values to be passed to $arr1 argument 
+$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',
+       $heredoc,
+       
+       // binary data
+/*21*/ b"binary",
+	   (binary)"binary",
+	   
+       // object data
+/*23*/ new classA(),
+
+       // undefined data
+/*24*/ @$undefined_var,
+
+       // unset data
+/*25*/ @$unset_var,
+
+       // resource variable
+/*26*/ $fp,
+);
+
+// loop through each element of $inputs to check the behavior of array_diff_assoc
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump( array_diff_assoc($array, $input));
+  $iterator++;
+};
+fclose($fp);
+echo "Done";
+?>
+
+--EXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+Done
+--UEXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+
+Warning: array_diff_assoc(): Argument #2 is not an array in %s on line %d
+NULL
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation3.phpt b/ext/standard/tests/array/array_diff_assoc_variation3.phpt
new file mode 100644
index 0000000000..fc5349bae3
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation3.phpt
@@ -0,0 +1,299 @@
+--TEST--
+Test array_diff_assoc() function : variation - array containing different data types
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c 
+ */
+
+/*
+ * Test how array_diff_assoc() compares indexed arrays containing different data types
+ */
+ 
+echo "\n*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array = array(1, 2, 3);
+
+//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;
+
+//array of different data types to be passed to $arr1 argument 
+$inputs = array(
+
+       // int data
+/*1*/
+'int' => array(       
+	   0,
+       1,
+       12345,
+       -2345),
+
+       // float data
+/*2*/
+'float' => array(       
+       10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5),
+
+       // null data
+/*3*/
+'null' => array(
+       NULL,
+       null),
+
+       // boolean data
+/*4*/
+'bool' => array(
+       true,
+       false,
+       TRUE,
+       FALSE),
+       
+       // empty data
+/*5*/
+'empty' => array(
+       "",
+       ''),
+
+       // string data
+/*6*/
+'string' => array(
+       "string",
+       'string',
+       $heredoc),
+       
+       // binary data
+/*7*/
+'binary' => array(
+       b"binary",
+	   (binary)"binary"),
+	   
+       // object data
+/*8*/
+'object' => array(
+      new classA()),
+
+       // undefined data
+/*9*/
+'undefined' => array(
+       @$undefined_var),
+
+       // unset data
+/*10*/
+'unset' => array(
+      @$unset_var),
+);
+
+// loop through each element of $inputs to check the behavior of array_diff_assoc
+$iterator = 1;
+foreach($inputs as $key => $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump( array_diff_assoc($input, $array));
+  $iterator++;
+};
+echo "Done";
+?>
+--EXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(4) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(12345)
+  [3]=>
+  int(-2345)
+}
+
+-- Iteration 2 --
+array(5) {
+  [0]=>
+  float(10.5)
+  [1]=>
+  float(-10.5)
+  [2]=>
+  float(123456789000)
+  [3]=>
+  float(1.23456789E-9)
+  [4]=>
+  float(0.5)
+}
+
+-- Iteration 3 --
+array(2) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+}
+
+-- Iteration 4 --
+array(3) {
+  [1]=>
+  bool(false)
+  [2]=>
+  bool(true)
+  [3]=>
+  bool(false)
+}
+
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+}
+
+-- Iteration 6 --
+array(3) {
+  [0]=>
+  string(6) "string"
+  [1]=>
+  string(6) "string"
+  [2]=>
+  string(11) "hello world"
+}
+
+-- Iteration 7 --
+array(2) {
+  [0]=>
+  string(6) "binary"
+  [1]=>
+  string(6) "binary"
+}
+
+-- Iteration 8 --
+array(1) {
+  [0]=>
+  object(classA)#%d (0) {
+  }
+}
+
+-- Iteration 9 --
+array(1) {
+  [0]=>
+  NULL
+}
+
+-- Iteration 10 --
+array(1) {
+  [0]=>
+  NULL
+}
+Done
+--UEXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(4) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(12345)
+  [3]=>
+  int(-2345)
+}
+
+-- Iteration 2 --
+array(5) {
+  [0]=>
+  float(10.5)
+  [1]=>
+  float(-10.5)
+  [2]=>
+  float(123456789000)
+  [3]=>
+  float(1.23456789E-9)
+  [4]=>
+  float(0.5)
+}
+
+-- Iteration 3 --
+array(2) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+}
+
+-- Iteration 4 --
+array(3) {
+  [1]=>
+  bool(false)
+  [2]=>
+  bool(true)
+  [3]=>
+  bool(false)
+}
+
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  unicode(0) ""
+  [1]=>
+  unicode(0) ""
+}
+
+-- Iteration 6 --
+array(3) {
+  [0]=>
+  unicode(6) "string"
+  [1]=>
+  unicode(6) "string"
+  [2]=>
+  unicode(11) "hello world"
+}
+
+-- Iteration 7 --
+array(2) {
+  [0]=>
+  string(6) "binary"
+  [1]=>
+  string(6) "binary"
+}
+
+-- Iteration 8 --
+array(1) {
+  [0]=>
+  object(classA)#%d (0) {
+  }
+}
+
+-- Iteration 9 --
+array(1) {
+  [0]=>
+  NULL
+}
+
+-- Iteration 10 --
+array(1) {
+  [0]=>
+  NULL
+}
+Done
diff --git a/ext/standard/tests/array/array_diff_assoc_variation4.phpt b/ext/standard/tests/array/array_diff_assoc_variation4.phpt
new file mode 100644
index 0000000000..1321df6727
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation4.phpt
@@ -0,0 +1,250 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - arrays with different data types as keys
+--FILE--
+
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c 
+ */
+
+/*
+ * Test how array_diff_assoc() compares arrays containing different data types
+ * as keys
+ */
+ 
+echo "\n*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array = array(1, 2, 3);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+//Different data types as keys to be passed to $arr1 argument
+$inputs = array(
+
+       // int data
+/*1*/
+'int' => array(       
+       0 => 'zero',
+       1 => 'one',
+       12345 => 'positive',
+       -2345 => 'negative'),
+
+       // float data
+/*2*/
+'float' => array(       
+       10.5 => 'float 1',
+       -10.5 => 'float 2',
+       .5 => 'float 3'),
+
+       // null data
+/*3*/
+'null' => array(
+       NULL => 'null 1',
+       null => 'null 2'),
+
+       // boolean data
+/*4*/
+'bool' => array(
+       true => 'boolt',
+       false => 'boolf',
+       TRUE => 'boolT',
+       FALSE => 'boolF'),
+       
+       // empty data
+/*5*/
+'empty' => array(
+      "" => 'emptyd',
+      '' => 'emptys'),
+
+       // string data
+/*6*/
+'string' => array(
+      "string" => 'stringd',
+      'string' => 'strings',
+      $heredoc => 'stringh'),
+       
+       // binary data
+/*7*/
+'binary' => array(
+      b"binary1" => 'binary 1',
+	  (binary)"binary2" => 'binary 2'),
+
+       // undefined data
+/*8*/
+'undefined' => array(
+      @$undefined_var => 'undefined'),
+
+       // unset data
+/*9*/
+'unset' => array(
+      @$unset_var => 'unset'),
+
+);
+
+// loop through each element of $inputs to check the behavior of array_diff_assoc
+$iterator = 1;
+foreach($inputs as $key => $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump( array_diff_assoc($input, $array));
+  $iterator++;
+};
+
+echo "Done";
+?>
+
+--EXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(4) {
+  [0]=>
+  string(4) "zero"
+  [1]=>
+  string(3) "one"
+  [12345]=>
+  string(8) "positive"
+  [-2345]=>
+  string(8) "negative"
+}
+
+-- Iteration 2 --
+array(3) {
+  [10]=>
+  string(7) "float 1"
+  [-10]=>
+  string(7) "float 2"
+  [0]=>
+  string(7) "float 3"
+}
+
+-- Iteration 3 --
+array(1) {
+  [""]=>
+  string(6) "null 2"
+}
+
+-- Iteration 4 --
+array(2) {
+  [1]=>
+  string(5) "boolT"
+  [0]=>
+  string(5) "boolF"
+}
+
+-- Iteration 5 --
+array(1) {
+  [""]=>
+  string(6) "emptys"
+}
+
+-- Iteration 6 --
+array(2) {
+  ["string"]=>
+  string(7) "strings"
+  ["hello world"]=>
+  string(7) "stringh"
+}
+
+-- Iteration 7 --
+array(2) {
+  ["binary1"]=>
+  string(8) "binary 1"
+  ["binary2"]=>
+  string(8) "binary 2"
+}
+
+-- Iteration 8 --
+array(1) {
+  [""]=>
+  string(9) "undefined"
+}
+
+-- Iteration 9 --
+array(1) {
+  [""]=>
+  string(5) "unset"
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(4) {
+  [0]=>
+  unicode(4) "zero"
+  [1]=>
+  unicode(3) "one"
+  [12345]=>
+  unicode(8) "positive"
+  [-2345]=>
+  unicode(8) "negative"
+}
+
+-- Iteration 2 --
+array(3) {
+  [10]=>
+  unicode(7) "float 1"
+  [-10]=>
+  unicode(7) "float 2"
+  [0]=>
+  unicode(7) "float 3"
+}
+
+-- Iteration 3 --
+array(1) {
+  [u""]=>
+  unicode(6) "null 2"
+}
+
+-- Iteration 4 --
+array(2) {
+  [1]=>
+  unicode(5) "boolT"
+  [0]=>
+  unicode(5) "boolF"
+}
+
+-- Iteration 5 --
+array(1) {
+  [u""]=>
+  unicode(6) "emptys"
+}
+
+-- Iteration 6 --
+array(2) {
+  [u"string"]=>
+  unicode(7) "strings"
+  [u"hello world"]=>
+  unicode(7) "stringh"
+}
+
+-- Iteration 7 --
+array(2) {
+  ["binary1"]=>
+  unicode(8) "binary 1"
+  ["binary2"]=>
+  unicode(8) "binary 2"
+}
+
+-- Iteration 8 --
+array(1) {
+  [u""]=>
+  unicode(9) "undefined"
+}
+
+-- Iteration 9 --
+array(1) {
+  [u""]=>
+  unicode(5) "unset"
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation5.phpt b/ext/standard/tests/array/array_diff_assoc_variation5.phpt
new file mode 100644
index 0000000000..d8c0781803
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation5.phpt
@@ -0,0 +1,246 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - compare integers, floats and strings
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are not present 
+ * in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff_assoc compares integers, floats and string
+ */
+
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+$arr_default_int = array(1, 2, 3, 'a');
+$arr_float = array(0 => 1.00, 1.00 => 2.00, 2.00 => 3.00, 'b');
+$arr_string = array('1', '2', '3', 'c');
+$arr_string_float = array('0' => '1.00', '1.00' => '2.00', '2.00' => '3.00', 'd');
+
+echo "-- Result of comparing integers and floating point numbers: --\n";
+var_dump(array_diff_assoc($arr_default_int, $arr_float));
+var_dump(array_diff_assoc($arr_float, $arr_default_int));
+
+echo "-- Result of comparing integers and strings containing an integers : --\n";
+var_dump(array_diff_assoc($arr_default_int, $arr_string));
+var_dump(array_diff_assoc($arr_string, $arr_default_int));
+
+echo "-- Result of comparing integers and strings containing floating points : --\n";
+var_dump(array_diff_assoc($arr_default_int, $arr_string_float));
+var_dump(array_diff_assoc($arr_string_float, $arr_default_int));
+
+echo "-- Result of comparing floating points and strings containing integers : --\n";
+var_dump(array_diff_assoc($arr_float, $arr_string));
+var_dump(array_diff_assoc($arr_string, $arr_float));
+
+echo "-- Result of comparing floating points and strings containing floating point: --\n";
+var_dump(array_diff_assoc($arr_float, $arr_string_float));
+var_dump(array_diff_assoc($arr_string_float, $arr_float));
+
+echo "-- Result of comparing strings containing integers and strings containing floating points : --\n";
+var_dump(array_diff_assoc($arr_string, $arr_string_float));
+var_dump(array_diff_assoc($arr_string_float, $arr_string));
+
+echo "-- Result of comparing more than two arrays: --\n";
+var_dump(array_diff_assoc($arr_default_int, $arr_float, $arr_string, $arr_string_float));
+
+echo "Done";
+?>
+--EXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+-- Result of comparing integers and floating point numbers: --
+array(1) {
+  [3]=>
+  string(1) "a"
+}
+array(1) {
+  [3]=>
+  string(1) "b"
+}
+-- Result of comparing integers and strings containing an integers : --
+array(1) {
+  [3]=>
+  string(1) "a"
+}
+array(1) {
+  [3]=>
+  string(1) "c"
+}
+-- Result of comparing integers and strings containing floating points : --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+  [3]=>
+  string(1) "a"
+}
+array(4) {
+  [0]=>
+  string(4) "1.00"
+  ["1.00"]=>
+  string(4) "2.00"
+  ["2.00"]=>
+  string(4) "3.00"
+  [1]=>
+  string(1) "d"
+}
+-- Result of comparing floating points and strings containing integers : --
+array(1) {
+  [3]=>
+  string(1) "b"
+}
+array(1) {
+  [3]=>
+  string(1) "c"
+}
+-- Result of comparing floating points and strings containing floating point: --
+array(4) {
+  [0]=>
+  float(1)
+  [1]=>
+  float(2)
+  [2]=>
+  float(3)
+  [3]=>
+  string(1) "b"
+}
+array(4) {
+  [0]=>
+  string(4) "1.00"
+  ["1.00"]=>
+  string(4) "2.00"
+  ["2.00"]=>
+  string(4) "3.00"
+  [1]=>
+  string(1) "d"
+}
+-- Result of comparing strings containing integers and strings containing floating points : --
+array(4) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+  [3]=>
+  string(1) "c"
+}
+array(4) {
+  [0]=>
+  string(4) "1.00"
+  ["1.00"]=>
+  string(4) "2.00"
+  ["2.00"]=>
+  string(4) "3.00"
+  [1]=>
+  string(1) "d"
+}
+-- Result of comparing more than two arrays: --
+array(1) {
+  [3]=>
+  string(1) "a"
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+-- Result of comparing integers and floating point numbers: --
+array(1) {
+  [3]=>
+  unicode(1) "a"
+}
+array(1) {
+  [3]=>
+  unicode(1) "b"
+}
+-- Result of comparing integers and strings containing an integers : --
+array(1) {
+  [3]=>
+  unicode(1) "a"
+}
+array(1) {
+  [3]=>
+  unicode(1) "c"
+}
+-- Result of comparing integers and strings containing floating points : --
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+  [3]=>
+  unicode(1) "a"
+}
+array(4) {
+  [0]=>
+  unicode(4) "1.00"
+  [u"1.00"]=>
+  unicode(4) "2.00"
+  [u"2.00"]=>
+  unicode(4) "3.00"
+  [1]=>
+  unicode(1) "d"
+}
+-- Result of comparing floating points and strings containing integers : --
+array(1) {
+  [3]=>
+  unicode(1) "b"
+}
+array(1) {
+  [3]=>
+  unicode(1) "c"
+}
+-- Result of comparing floating points and strings containing floating point: --
+array(4) {
+  [0]=>
+  float(1)
+  [1]=>
+  float(2)
+  [2]=>
+  float(3)
+  [3]=>
+  unicode(1) "b"
+}
+array(4) {
+  [0]=>
+  unicode(4) "1.00"
+  [u"1.00"]=>
+  unicode(4) "2.00"
+  [u"2.00"]=>
+  unicode(4) "3.00"
+  [1]=>
+  unicode(1) "d"
+}
+-- Result of comparing strings containing integers and strings containing floating points : --
+array(4) {
+  [0]=>
+  unicode(1) "1"
+  [1]=>
+  unicode(1) "2"
+  [2]=>
+  unicode(1) "3"
+  [3]=>
+  unicode(1) "c"
+}
+array(4) {
+  [0]=>
+  unicode(4) "1.00"
+  [u"1.00"]=>
+  unicode(4) "2.00"
+  [u"2.00"]=>
+  unicode(4) "3.00"
+  [1]=>
+  unicode(1) "d"
+}
+-- Result of comparing more than two arrays: --
+array(1) {
+  [3]=>
+  unicode(1) "a"
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation6.phpt b/ext/standard/tests/array/array_diff_assoc_variation6.phpt
new file mode 100644
index 0000000000..fdeb77d787
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation6.phpt
@@ -0,0 +1,315 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - strict string comparison check
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff_assoc behaves
+ * 1. When comparing an array that has similar elements 
+ *    but has been created in a different order
+ * 2. When doing a strict comparison of string representation
+ */
+
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array = array ('zero', 
+                1 => 1, 
+                'two' => 2.00000000000001);
+                
+$inputs = array (
+
+//default keys => string values
+/*1*/	array('2.00000000000001', '1', 'zero', 'a'),
+	
+//numeric keys => string values
+/*2*/	array(2 => '2.00000000000001', 
+	          1 => '1', 
+	          0 => 'zero', 
+	          3 => 'a'),
+
+//string keys => string values
+/*3*/	array('2' => '2.00000000000001', 
+	          '1' => '1', 
+	          '0' => 'zero', 
+	          '3' => 'a') ,
+	
+//default keys => numeric values
+/*4*/	array(2, 1, 0),
+	
+//numeric keys => numeric values
+/*5*/	array(2 => 2,
+	          1 => 1,
+	          0 => 0),
+	       
+//string keys => numeric values
+/*6*/	array('two' => 2, 
+	          '1' => 1, 
+	          '0' => 0),
+	          
+//defualt keys => float values
+/*7*/	array(2.00000000000001, 1.00, 0.01E-9),
+	          
+//numeric keys => float values
+/*8*/	array(2 => 2.00000000000001,
+	          1 =>  1.00,
+	          0 => 0.01E-9),
+	          
+//string keys => float values
+/*9*/	array ('two' => 2.00000000000001, 
+	           '1' => 1.00, 
+	           '0' =>0.01E-9)
+);
+
+// loop through each element of $inputs to check the behavior of array_diff_assoc
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --\n";
+  var_dump(array_diff_assoc($array, $input));
+  var_dump(array_diff_assoc($input, $array));
+  $iterator++;
+};
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(2) {
+  [0]=>
+  string(4) "zero"
+  ["two"]=>
+  float(2)
+}
+array(3) {
+  [0]=>
+  string(16) "2.00000000000001"
+  [2]=>
+  string(4) "zero"
+  [3]=>
+  string(1) "a"
+}
+
+-- Iteration 2 --
+array(1) {
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  string(16) "2.00000000000001"
+  [3]=>
+  string(1) "a"
+}
+
+-- Iteration 3 --
+array(1) {
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  string(16) "2.00000000000001"
+  [3]=>
+  string(1) "a"
+}
+
+-- Iteration 4 --
+array(2) {
+  [0]=>
+  string(4) "zero"
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [0]=>
+  int(2)
+  [2]=>
+  int(0)
+}
+
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  string(4) "zero"
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  int(2)
+  [0]=>
+  int(0)
+}
+
+-- Iteration 6 --
+array(1) {
+  [0]=>
+  string(4) "zero"
+}
+array(1) {
+  [0]=>
+  int(0)
+}
+
+-- Iteration 7 --
+array(2) {
+  [0]=>
+  string(4) "zero"
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [0]=>
+  float(2)
+  [2]=>
+  float(1.0E-11)
+}
+
+-- Iteration 8 --
+array(2) {
+  [0]=>
+  string(4) "zero"
+  ["two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  float(2)
+  [0]=>
+  float(1.0E-11)
+}
+
+-- Iteration 9 --
+array(1) {
+  [0]=>
+  string(4) "zero"
+}
+array(1) {
+  [0]=>
+  float(1.0E-11)
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+
+-- Iteration 1 --
+array(2) {
+  [0]=>
+  unicode(4) "zero"
+  [u"two"]=>
+  float(2)
+}
+array(3) {
+  [0]=>
+  unicode(16) "2.00000000000001"
+  [2]=>
+  unicode(4) "zero"
+  [3]=>
+  unicode(1) "a"
+}
+
+-- Iteration 2 --
+array(1) {
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  unicode(16) "2.00000000000001"
+  [3]=>
+  unicode(1) "a"
+}
+
+-- Iteration 3 --
+array(1) {
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  unicode(16) "2.00000000000001"
+  [3]=>
+  unicode(1) "a"
+}
+
+-- Iteration 4 --
+array(2) {
+  [0]=>
+  unicode(4) "zero"
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [0]=>
+  int(2)
+  [2]=>
+  int(0)
+}
+
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  unicode(4) "zero"
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  int(2)
+  [0]=>
+  int(0)
+}
+
+-- Iteration 6 --
+array(1) {
+  [0]=>
+  unicode(4) "zero"
+}
+array(1) {
+  [0]=>
+  int(0)
+}
+
+-- Iteration 7 --
+array(2) {
+  [0]=>
+  unicode(4) "zero"
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [0]=>
+  float(2)
+  [2]=>
+  float(1.0E-11)
+}
+
+-- Iteration 8 --
+array(2) {
+  [0]=>
+  unicode(4) "zero"
+  [u"two"]=>
+  float(2)
+}
+array(2) {
+  [2]=>
+  float(2)
+  [0]=>
+  float(1.0E-11)
+}
+
+-- Iteration 9 --
+array(1) {
+  [0]=>
+  unicode(4) "zero"
+}
+array(1) {
+  [0]=>
+  float(1.0E-11)
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation7.phpt b/ext/standard/tests/array/array_diff_assoc_variation7.phpt
new file mode 100644
index 0000000000..c3243cd248
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation7.phpt
@@ -0,0 +1,152 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - arrays containing referenced variables
+--FILE--
+
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Tests how array_diff_assoc compares
+ * 1. Referenced variables
+ * 2. Arrays that have been referenced to each other
+ */
+
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+
+$a = 'a';
+
+$arr1 = array('a', 'b', 'c', $a);
+$arr2 = array('a' => 1, 'b' => 2, 'c' => 3, &$a);
+
+echo "-- Results when \$a = $a: --\n";
+var_dump(array_diff_assoc($arr1, $arr2));
+var_dump(array_diff_assoc($arr2, $arr1));
+
+$a = 4;
+
+echo "-- Results when \$a has been changed to $a: --\n";
+var_dump(array_diff_assoc($arr1, $arr2));
+var_dump(array_diff_assoc($arr2, $arr1));
+
+$arr2 = &$arr1;
+
+echo "-- Results when \$arr2 is referenced to \$arr1 --\n";
+var_dump(array_diff_assoc($arr1, $arr2));
+var_dump(array_diff_assoc($arr2, $arr1));
+
+$arr1 = array('zero' => 'x', 'one' => 'y', 'two' => 'z');
+
+echo "-- Results when \$arr1 is changed --\n";
+var_dump(array_diff_assoc($arr1, $arr2));
+var_dump(array_diff_assoc($arr2, $arr1));
+
+echo "Done";
+?>
+
+--EXPECTF--
+
+*** Testing array_diff_assoc() : usage variations ***
+-- Results when $a = a: --
+array(3) {
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+  [3]=>
+  string(1) "a"
+}
+array(3) {
+  ["a"]=>
+  int(1)
+  ["b"]=>
+  int(2)
+  ["c"]=>
+  int(3)
+}
+-- Results when $a has been changed to 4: --
+array(4) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+  [3]=>
+  string(1) "a"
+}
+array(4) {
+  ["a"]=>
+  int(1)
+  ["b"]=>
+  int(2)
+  ["c"]=>
+  int(3)
+  [0]=>
+  &int(4)
+}
+-- Results when $arr2 is referenced to $arr1 --
+array(0) {
+}
+array(0) {
+}
+-- Results when $arr1 is changed --
+array(0) {
+}
+array(0) {
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+-- Results when $a = a: --
+array(3) {
+  [1]=>
+  unicode(1) "b"
+  [2]=>
+  unicode(1) "c"
+  [3]=>
+  unicode(1) "a"
+}
+array(3) {
+  [u"a"]=>
+  int(1)
+  [u"b"]=>
+  int(2)
+  [u"c"]=>
+  int(3)
+}
+-- Results when $a has been changed to 4: --
+array(4) {
+  [0]=>
+  unicode(1) "a"
+  [1]=>
+  unicode(1) "b"
+  [2]=>
+  unicode(1) "c"
+  [3]=>
+  unicode(1) "a"
+}
+array(4) {
+  [u"a"]=>
+  int(1)
+  [u"b"]=>
+  int(2)
+  [u"c"]=>
+  int(3)
+  [0]=>
+  &int(4)
+}
+-- Results when $arr2 is referenced to $arr1 --
+array(0) {
+}
+array(0) {
+}
+-- Results when $arr1 is changed --
+array(0) {
+}
+array(0) {
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation8.phpt b/ext/standard/tests/array/array_diff_assoc_variation8.phpt
new file mode 100644
index 0000000000..985cc29668
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation8.phpt
@@ -0,0 +1,66 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - array containing duplicate keys and values
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether 
+ * the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff_assoc() behaves when comparing:
+ * 1. the order of the array
+ * 2. duplicate values
+ * 3. duplicate key names
+ */
+
+echo "*** Testing array_diff_assoc() : variation ***\n";
+
+$array_index = array('a', 'b', 'c', 0 => 'd', 'b');   //duplicate key (0), duplicate value (b)
+$array_assoc = array ('2' => 'c',   //same key=>value pair, different order
+                      '1' => 'b',
+                      '0' => 'a', 
+                      'b' => '3',   //key and value from array_index swapped 
+                      'c' => 2);    //same as above, using integer
+
+var_dump(array_diff_assoc($array_index, $array_assoc));
+var_dump(array_diff_assoc($array_assoc, $array_index));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : variation ***
+array(2) {
+  [0]=>
+  string(1) "d"
+  [3]=>
+  string(1) "b"
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  ["b"]=>
+  string(1) "3"
+  ["c"]=>
+  int(2)
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : variation ***
+array(2) {
+  [0]=>
+  unicode(1) "d"
+  [3]=>
+  unicode(1) "b"
+}
+array(3) {
+  [0]=>
+  unicode(1) "a"
+  [u"b"]=>
+  unicode(1) "3"
+  [u"c"]=>
+  int(2)
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_assoc_variation9.phpt b/ext/standard/tests/array/array_diff_assoc_variation9.phpt
new file mode 100644
index 0000000000..21628f0380
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_assoc_variation9.phpt
@@ -0,0 +1,243 @@
+--TEST--
+Test array_diff_assoc() function : usage variations - compare multidimensional arrays
+--FILE--
+<?php
+/* Prototype  : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments but do additional checks whether 
+ * the keys are equal 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff_assoc behaves when comparing 
+ * multi-dimensional arrays
+ */
+
+echo "*** Testing array_diff_assoc() : usage variations ***\n";
+
+$array1 = array('sub_array1' => array (1, 2, 3),
+                'sub_array2' => array ('a', 'b', 'c'));
+$array2 = array('sub_arraya' => array (1, 3, 5),
+                'sub_arrayb' => array ('a', 'z', 'y'));
+
+echo "-- Compare two 2-D arrays --\n";
+var_dump(array_diff_assoc($array1, $array2));
+var_dump(array_diff_assoc($array2, $array1));
+     
+echo "\n-- Compare subarrays from two 2-D arrays --\n";
+var_dump(array_diff_assoc($array1['sub_array1'], $array2['sub_arraya']));
+var_dump(array_diff_assoc($array2['sub_arraya'], $array1['sub_array1']));
+var_dump(array_diff_assoc($array1['sub_array2'], $array2['sub_arrayb']));
+var_dump(array_diff_assoc($array2['sub_arrayb'], $array1['sub_array1']));
+
+echo "\n-- Compare a subarray from one 2-D array and one 2-D array --\n";
+var_dump(array_diff_assoc($array1['sub_array1'], $array2));
+var_dump(array_diff_assoc($array1, $array2['sub_arraya']));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+-- Compare two 2-D arrays --
+array(2) {
+  ["sub_array1"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  ["sub_array2"]=>
+  array(3) {
+    [0]=>
+    string(1) "a"
+    [1]=>
+    string(1) "b"
+    [2]=>
+    string(1) "c"
+  }
+}
+array(2) {
+  ["sub_arraya"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(3)
+    [2]=>
+    int(5)
+  }
+  ["sub_arrayb"]=>
+  array(3) {
+    [0]=>
+    string(1) "a"
+    [1]=>
+    string(1) "z"
+    [2]=>
+    string(1) "y"
+  }
+}
+
+-- Compare subarrays from two 2-D arrays --
+array(2) {
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(2) {
+  [1]=>
+  int(3)
+  [2]=>
+  int(5)
+}
+array(2) {
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "z"
+  [2]=>
+  string(1) "y"
+}
+
+-- Compare a subarray from one 2-D array and one 2-D array --
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(2) {
+  ["sub_array1"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  ["sub_array2"]=>
+  array(3) {
+    [0]=>
+    string(1) "a"
+    [1]=>
+    string(1) "b"
+    [2]=>
+    string(1) "c"
+  }
+}
+Done
+--UEXPECTF--
+*** Testing array_diff_assoc() : usage variations ***
+-- Compare two 2-D arrays --
+array(2) {
+  [u"sub_array1"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [u"sub_array2"]=>
+  array(3) {
+    [0]=>
+    unicode(1) "a"
+    [1]=>
+    unicode(1) "b"
+    [2]=>
+    unicode(1) "c"
+  }
+}
+array(2) {
+  [u"sub_arraya"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(3)
+    [2]=>
+    int(5)
+  }
+  [u"sub_arrayb"]=>
+  array(3) {
+    [0]=>
+    unicode(1) "a"
+    [1]=>
+    unicode(1) "z"
+    [2]=>
+    unicode(1) "y"
+  }
+}
+
+-- Compare subarrays from two 2-D arrays --
+array(2) {
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(2) {
+  [1]=>
+  int(3)
+  [2]=>
+  int(5)
+}
+array(2) {
+  [1]=>
+  unicode(1) "b"
+  [2]=>
+  unicode(1) "c"
+}
+array(3) {
+  [0]=>
+  unicode(1) "a"
+  [1]=>
+  unicode(1) "z"
+  [2]=>
+  unicode(1) "y"
+}
+
+-- Compare a subarray from one 2-D array and one 2-D array --
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(2) {
+  [u"sub_array1"]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [u"sub_array2"]=>
+  array(3) {
+    [0]=>
+    unicode(1) "a"
+    [1]=>
+    unicode(1) "b"
+    [2]=>
+    unicode(1) "c"
+  }
+}
+Done
\ No newline at end of file
-- 
2.40.0