From: Raghubansh Kumar <kraghuba@php.net>
Date: Fri, 4 Jan 2008 14:02:27 +0000 (+0000)
Subject: New testcases for array_diff() function
X-Git-Tag: RELEASE_1_3_1~422
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0b26f6fe7e5e624376d8db688e8e1bc9fb7b0a26;p=php

New testcases for array_diff() function
---

diff --git a/ext/standard/tests/array/array_diff_basic.phpt b/ext/standard/tests/array/array_diff_basic.phpt
new file mode 100644
index 0000000000..30aead657c
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_basic.phpt
@@ -0,0 +1,116 @@
+--TEST--
+Test array_diff() function : basic functionality
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not present 
+ * in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test basic functionality of array_diff
+ */
+
+echo "*** Testing array_diff() : basic functionality ***\n";
+
+//Test indexed array with integers as elements
+$array_int1 = array (1, 2, 3, 4);
+$array_int2 = array (3, 4, 5, 6);
+
+echo "-- Test indexed array with integers as elements --\n";
+var_dump(array_diff($array_int1, $array_int2));
+var_dump(array_diff($array_int2, $array_int1));
+
+
+//Test indexed array with strings as elements
+$array_string1 = array ('one', 'two', 'three', 'four');
+$array_string2 = array ('three', 'four', 'five', 'six');
+
+echo "-- Test indexed array with strings as elements --\n";
+var_dump(array_diff($array_string1, $array_string2));
+var_dump(array_diff($array_string2, $array_string1));
+
+//Test associative array with strings as keys and integers as elements
+$array_assoc_int1 = array ('one' => 1, 'two' => 2, 'three' => 3, 'four' => 4);
+$array_assoc_int2 = array ('three' => 3, 'four' => 4, 'five' => 5, 'six' => 6);
+
+echo "-- Test associative array with strings as keys and integers as elements --\n";
+var_dump(array_diff($array_assoc_int1, $array_assoc_int2));
+var_dump(array_diff($array_assoc_int2, $array_assoc_int1));
+
+//Test associative array with strings as keys and elements
+$array_assoc_str1 = array ('one' => 'un', 'two' => 'deux', 'three' => 'trois', 'four' => 'quatre');
+$array_assoc_str2 = array ('three' => 'trois', 'four' => 'quatre', 'five' => 'cinq', 'six' => 'six');
+
+echo "-- Test associative array with strings as keys and integers as elements --\n";
+var_dump(array_diff($array_assoc_str1, $array_assoc_str2));
+var_dump(array_diff($array_assoc_str2, $array_assoc_str1));
+
+echo "-- Test array_diff with more than 2 arguments --\n";
+var_dump(array_diff($array_int1, $array_int2, $array_string1, $array_string2));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : basic functionality ***
+-- Test indexed array with integers as elements --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+array(2) {
+  [2]=>
+  int(5)
+  [3]=>
+  int(6)
+}
+-- Test indexed array with strings as elements --
+array(2) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  string(3) "two"
+}
+array(2) {
+  [2]=>
+  string(4) "five"
+  [3]=>
+  string(3) "six"
+}
+-- Test associative array with strings as keys and integers as elements --
+array(2) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+}
+array(2) {
+  ["five"]=>
+  int(5)
+  ["six"]=>
+  int(6)
+}
+-- Test associative array with strings as keys and integers as elements --
+array(2) {
+  ["one"]=>
+  string(2) "un"
+  ["two"]=>
+  string(4) "deux"
+}
+array(2) {
+  ["five"]=>
+  string(4) "cinq"
+  ["six"]=>
+  string(3) "six"
+}
+-- Test array_diff with more than 2 arguments --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+Done
diff --git a/ext/standard/tests/array/array_diff_error.phpt b/ext/standard/tests/array/array_diff_error.phpt
new file mode 100644
index 0000000000..019cffb1ef
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_error.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test array_diff() function : error conditions - too few arguments passed to function
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are 
+ * not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_diff with less than the expected number of arguments 
+ */
+
+echo "*** Testing array_diff() : error conditions ***\n";
+// Zero arguments
+echo "\n-- Testing array_diff() function with zero arguments --\n";
+var_dump( array_diff() );
+
+
+// Testing array_diff with one less than the expected number of arguments
+echo "\n-- Testing array_diff() function with less than expected no. of arguments --\n";
+$arr1 = array(1, 2);
+var_dump( array_diff($arr1) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : error conditions ***
+
+-- Testing array_diff() function with zero arguments --
+
+Warning: array_diff(): at least 2 parameters are required, 0 given in %s on line %d
+NULL
+
+-- Testing array_diff() function with less than expected no. of arguments --
+
+Warning: array_diff(): at least 2 parameters are required, 1 given in %s on line %d
+NULL
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation1.phpt b/ext/standard/tests/array/array_diff_variation1.phpt
new file mode 100644
index 0000000000..f9a34b0a59
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation1.phpt
@@ -0,0 +1,208 @@
+--TEST--
+Test array_diff() function : usage variations - unexpected values for 'arr1' argument
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_diff by passing non array values in place of $arr1
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$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");
+
+// 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',
+       $heredoc,
+       
+       // binary data
+/*21*/ b"binary",
+	   (binary)"binary",
+	   
+       // object data
+/*23*/ new classA(),
+
+       // undefined data
+/*24*/ @$undefined_var,
+
+       // unset data
+/*25*/ @$unset_var,
+
+       // resource variable
+/*26*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_diff
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --";
+  var_dump( array_diff($input, $array));
+  $iterator++;
+};
+
+fclose($fp);
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+
+-- Iteration 1 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+Warning: array_diff(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+Warning: array_diff(): 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_variation10.phpt b/ext/standard/tests/array/array_diff_variation10.phpt
new file mode 100644
index 0000000000..9442b946d9
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation10.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test array_diff() function : usage variations - binary safe checking
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are 
+ * not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test behaviour of array_diff() function with binary input
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+
+$array1 = array( b"1", 
+                 b"hello", 
+                 "world", 
+                 "str1" => "hello", 
+                 "str2" => "world");
+
+$array2 = array( b"1" => 'hello',
+                 b"world",
+                 "hello", 
+                 'test');
+
+var_dump(array_diff($array1, $array2));
+var_dump(array_diff($array2, $array1));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+array(1) {
+  [0]=>
+  string(1) "1"
+}
+array(1) {
+  [4]=>
+  string(4) "test"
+}
+Done
diff --git a/ext/standard/tests/array/array_diff_variation2.phpt b/ext/standard/tests/array/array_diff_variation2.phpt
new file mode 100644
index 0000000000..be68c40c2f
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation2.phpt
@@ -0,0 +1,207 @@
+--TEST--
+Test array_diff() function : usage variations - unexpected values for 'arr2' argument
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are 
+ * not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_diff by passing non array values in place of $arr2
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$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");
+
+// 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',
+       $heredoc,
+              
+       // binary data
+/*21*/ b"binary",
+	   (binary)"binary",
+
+       // object data
+/*23*/ new classA(),
+
+       // undefined data
+/*24*/ @$undefined_var,
+
+       // unset data
+/*25*/ @$unset_var,
+
+       // resource variable
+/*26*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_diff
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "\n-- Iteration $iterator --";
+  var_dump( array_diff($array, $input));
+  $iterator++;
+};
+fclose($fp);
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+
+-- Iteration 1 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+Warning: array_diff(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 26 --
+Warning: array_diff(): 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_variation3.phpt b/ext/standard/tests/array/array_diff_variation3.phpt
new file mode 100644
index 0000000000..84f73fd287
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation3.phpt
@@ -0,0 +1,190 @@
+--TEST--
+Test array_diff() function : usage variations  - array with different data types as values
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff() compares indexed arrays containing different
+ * data types as values in place of $arr1
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+// Initialise function arguments not being substituted (if any)
+$array = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//get heredoc
+$heredoc = <<<END
+This is a heredoc
+END;
+
+//array of values to iterate over
+$values = array(
+
+/*1*/"empty array" => array(),
+
+/*2*/
+"int" => array(
+      // int data
+      0,
+      1,
+      12345,
+      -2345),
+
+/*3*/
+"float" => array(
+      // float data
+       10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5),
+
+/*4*/
+"null" => array(      
+      // null data
+      NULL,
+      null),
+
+/*5*/
+"boolean" => array(
+      // boolean data
+      true,
+      false,
+      TRUE,
+      FALSE),
+
+/*6*/
+"empty" => array(      
+      // empty data
+      "",
+      ''),
+
+/*7*/
+"string" => array(
+      // string data
+      "string",
+      'string',
+      $heredoc),
+      
+/*8*/      
+"binary" => array(
+       // binary data
+       b"binary",
+	   (binary)"binary"),
+	   
+/*9*/	   
+"undefined" => array(
+      // undefined data
+      @$undefined_var),
+
+/*10*/
+"unset" => array(      
+      // unset data
+      @$unset_var)
+);
+
+// loop through each element of the array for arr1
+$iterator = 1;
+foreach($values as $value) {
+      echo "\n Iteration: $iterator \n";
+      var_dump( array_diff($value, $array) );
+      $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+
+ Iteration: 1 
+array(0) {
+}
+
+ Iteration: 2 
+array(3) {
+  [0]=>
+  int(0)
+  [2]=>
+  int(12345)
+  [3]=>
+  int(-2345)
+}
+
+ Iteration: 3 
+array(5) {
+  [0]=>
+  float(10.5)
+  [1]=>
+  float(-10.5)
+  [2]=>
+  float(123456789000)
+  [3]=>
+  float(1.23456789E-9)
+  [4]=>
+  float(0.5)
+}
+
+ Iteration: 4 
+array(2) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+}
+
+ Iteration: 5 
+array(2) {
+  [1]=>
+  bool(false)
+  [3]=>
+  bool(false)
+}
+
+ Iteration: 6 
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+}
+
+ Iteration: 7 
+array(3) {
+  [0]=>
+  string(6) "string"
+  [1]=>
+  string(6) "string"
+  [2]=>
+  string(17) "This is a heredoc"
+}
+
+ Iteration: 8 
+array(2) {
+  [0]=>
+  string(6) "binary"
+  [1]=>
+  string(6) "binary"
+}
+
+ Iteration: 9 
+array(1) {
+  [0]=>
+  NULL
+}
+
+ Iteration: 10 
+array(1) {
+  [0]=>
+  NULL
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation4.phpt b/ext/standard/tests/array/array_diff_variation4.phpt
new file mode 100644
index 0000000000..75b01adaa1
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation4.phpt
@@ -0,0 +1,184 @@
+--TEST--
+Test array_diff() function : usage variations  - array with different data types as values
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff() compares indexed arrays containing different
+ * data types as values in place of $arr2
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+// Initialise function arguments not being substituted (if any)
+$array = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//get heredoc
+$heredoc = <<<END
+This is a heredoc
+END;
+
+//array of values to iterate over
+$values = array(
+
+/*1*/"empty array" => array(),
+
+/*2*/
+"int" => array(
+      // int data
+      0,
+      1,
+      12345,
+      -2345),
+
+/*3*/
+"float" => array(
+      // float data
+       10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5),
+
+/*4*/
+"null" => array(      
+      // null data
+      NULL,
+      null),
+
+/*5*/
+"boolean" => array(
+      // boolean data
+      true,
+      false,
+      TRUE,
+      FALSE),
+
+/*6*/
+"empty" => array(      
+      // empty data
+      "",
+      ''),
+
+/*7*/
+"string" => array(
+      // string data
+      "string",
+      'string',
+      $heredoc),
+      
+/*8*/      
+"binary" => array(
+       // binary data
+       b"binary",
+	   (binary)"binary"),
+	   
+/*9*/	   
+"undefined" => array(
+      // undefined data
+      @$undefined_var),
+
+/*10*/
+"unset" => array(      
+      // unset data
+      @$unset_var)
+);
+
+// loop through each element of the array for $arr2
+$iterator = 1;
+foreach($values as $value) {
+      echo "\n Iteration: $iterator \n";
+      var_dump( array_diff($array, $value) );
+      $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+
+ Iteration: 1 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 2 
+array(1) {
+  [1]=>
+  int(2)
+}
+
+ Iteration: 3 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 4 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 5 
+array(1) {
+  [1]=>
+  int(2)
+}
+
+ Iteration: 6 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 7 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 8 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 9 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+ Iteration: 10 
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation5.phpt b/ext/standard/tests/array/array_diff_variation5.phpt
new file mode 100644
index 0000000000..cb6b5d3dab
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation5.phpt
@@ -0,0 +1,119 @@
+--TEST--
+Test array_diff() function : usage variations - comparing integers, float 
+and string array values
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff compares integers, floats and strings
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$arr_int = array(1, 2, 3);
+$arr_float = array(1.00, 2.00, 3.00);
+$arr_int_str = array('1', '2', '3');
+$arr_float_str = array('1.00', '2.00', '3.00');	
+
+print "-- Compare integers and floats: --\n";
+var_dump(array_diff($arr_int, $arr_float));
+var_dump(array_diff($arr_float, $arr_int));
+
+
+print "-- Compare integers and strings containing an integers: --\n";
+var_dump(array_diff($arr_int, $arr_int_str));
+var_dump(array_diff($arr_int_str, $arr_int));
+
+print "-- Compare integers and strings containing floats: --\n";
+var_dump(array_diff($arr_int, $arr_float_str));
+var_dump(array_diff($arr_float_str, $arr_int));
+
+print "-- Compare floats and strings containing integers: --\n";
+
+var_dump(array_diff($arr_float, $arr_int_str));
+var_dump(array_diff($arr_int_str, $arr_float));
+
+print "-- Compare floats and strings containing floats: --\n";
+var_dump(array_diff($arr_float, $arr_float_str));
+var_dump(array_diff($arr_float_str, $arr_float));
+
+print "-- Compare strings containing integers and strings containing floats: --\n";
+var_dump(array_diff($arr_int_str, $arr_float_str));
+var_dump(array_diff($arr_float_str, $arr_int_str));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+-- Compare integers and floats: --
+array(0) {
+}
+array(0) {
+}
+-- Compare integers and strings containing an integers: --
+array(0) {
+}
+array(0) {
+}
+-- Compare integers and strings containing floats: --
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(3) {
+  [0]=>
+  string(4) "1.00"
+  [1]=>
+  string(4) "2.00"
+  [2]=>
+  string(4) "3.00"
+}
+-- Compare floats and strings containing integers: --
+array(0) {
+}
+array(0) {
+}
+-- Compare floats and strings containing floats: --
+array(3) {
+  [0]=>
+  float(1)
+  [1]=>
+  float(2)
+  [2]=>
+  float(3)
+}
+array(3) {
+  [0]=>
+  string(4) "1.00"
+  [1]=>
+  string(4) "2.00"
+  [2]=>
+  string(4) "3.00"
+}
+-- Compare strings containing integers and strings containing floats: --
+array(3) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+}
+array(3) {
+  [0]=>
+  string(4) "1.00"
+  [1]=>
+  string(4) "2.00"
+  [2]=>
+  string(4) "3.00"
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation6.phpt b/ext/standard/tests/array/array_diff_variation6.phpt
new file mode 100644
index 0000000000..8ea84bb9da
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation6.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test array_diff() function : usage variations - array containing duplicate keys and values
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test that array_diff behaves as expected for comparing:
+ * 1. the order of the array
+ * 2. duplicate values
+ * 3. duplicate key names
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$array_index = array('a', 'b', 'c', 0 => 'd', 'b');   //duplicate key (0), duplicate value (b)
+$array_assoc = array ('2' => 'c',   //same key=>value pair, different order
+                      '1' => 'b',
+                      '0' => 'a', 
+                      'b' => '3',   //key and value from array_index swapped 
+                      'c' => 2);    //same as above, using integer
+
+var_dump(array_diff($array_index, $array_assoc));
+var_dump(array_diff($array_assoc, $array_index));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+array(1) {
+  [0]=>
+  string(1) "d"
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  ["b"]=>
+  string(1) "3"
+  ["c"]=>
+  int(2)
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation7.phpt b/ext/standard/tests/array/array_diff_variation7.phpt
new file mode 100644
index 0000000000..c53cbb3d1c
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation7.phpt
@@ -0,0 +1,95 @@
+--TEST--
+Test array_diff() function : usage variations - arrays containing referenced variables
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are not 
+ * present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff compares arrays that
+ * 1. Contain referenced variables
+ * 2. Have been referenced to each other
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+$a = 'a';
+
+$arr1 = array ("&$a", 'b', 'c');
+$arr2 = array (1, 2, 3);
+echo "-- Basic Comparison --\n";
+var_dump(array_diff($arr1, $arr2));
+var_dump(array_diff($arr2, $arr1));
+
+$a = 1;
+
+echo "-- \$a changed --\n";
+var_dump(array_diff($arr1, $arr2));
+var_dump(array_diff($arr2, $arr1));
+
+
+$arr2 = &$arr1;
+echo "-- Arrays referenced to each other --\n";
+var_dump(array_diff($arr1, $arr2));
+var_dump(array_diff($arr2, $arr1));
+
+
+$arr1 = array('x', 'y', 'z');
+echo "-- \$arr1 changed --\n";
+var_dump(array_diff($arr1, $arr2));
+var_dump(array_diff($arr2, $arr1));
+
+
+echo "Done";
+?>
+
+--EXPECTF--
+
+*** Testing array_diff() : usage variations ***
+-- Basic Comparison --
+array(3) {
+  [0]=>
+  string(2) "&a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+-- $a changed --
+array(3) {
+  [0]=>
+  string(2) "&a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+-- Arrays referenced to each other --
+array(0) {
+}
+array(0) {
+}
+-- $arr1 changed --
+array(0) {
+}
+array(0) {
+}
+Done
\ No newline at end of file
diff --git a/ext/standard/tests/array/array_diff_variation8.phpt b/ext/standard/tests/array/array_diff_variation8.phpt
new file mode 100644
index 0000000000..99f9614d72
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation8.phpt
@@ -0,0 +1,207 @@
+--TEST--
+Test array_diff() function : usage variations - associative arrays contianing different data types
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of $arr1 that have values which are
+ * not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_diff() with associative arrays containing different data types as values
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$array = array('a' => '1', 'b' => '2', 'c' => '3');
+
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a class
+class classA
+{
+  public function __toString() {
+     return "Class A object";
+  }
+}
+
+// get a heredoc string
+$heredoc = <<<EOT
+Hello world
+EOT;
+
+// associative arrays with different values
+$inputs = array (
+       // arrays with integer values
+/*1*/  array('0' => 0, '1' => 0),
+       array("one" => 1, 'two' => 2, "three" => 1, 4 => 1),
+
+       // arrays with float values
+/*3*/  array("float1" => 2.3333, "float2" => 2.3333),
+       array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 1.2),
+
+       // arrays with string values
+/*5*/  array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 =>  "\tHello"),
+       array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 =>  '\tHello'),
+       array(1 => "hello", "heredoc" => $heredoc, $heredoc),
+
+       // array with object, unset variable and resource variable
+/*8*/ array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp, new classA(), $fp),
+);
+
+// loop through each sub-array of $inputs to check the behavior of array_unique()
+$iterator = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_diff($array, $input) );
+  var_dump( array_diff($input, $array) );
+  $iterator++;
+}
+
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+-- Iteration 1 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(2) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+}
+-- Iteration 2 --
+array(1) {
+  ["c"]=>
+  string(1) "3"
+}
+array(0) {
+}
+-- Iteration 3 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(2) {
+  ["float1"]=>
+  float(2.3333)
+  ["float2"]=>
+  float(2.3333)
+}
+-- Iteration 4 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(4) {
+  ["f1"]=>
+  float(1.2)
+  ["f2"]=>
+  float(3.33)
+  [3]=>
+  float(4.8999992284)
+  ["f4"]=>
+  float(1.2)
+}
+-- Iteration 5 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(4) {
+  [111]=>
+  string(6) "	Hello"
+  ["red"]=>
+  string(6) "col	or"
+  [2]=>
+  string(7) "world"
+  [3]=>
+  string(6) "	Hello"
+}
+-- Iteration 6 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(4) {
+  [111]=>
+  string(7) "\tHello"
+  ["red"]=>
+  string(7) "col\tor"
+  [2]=>
+  string(9) "\v\fworld"
+  [3]=>
+  string(7) "\tHello"
+}
+-- Iteration 7 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(3) {
+  [1]=>
+  string(5) "hello"
+  ["heredoc"]=>
+  string(11) "Hello world"
+  [2]=>
+  string(11) "Hello world"
+}
+-- Iteration 8 --
+array(3) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+  ["c"]=>
+  string(1) "3"
+}
+array(5) {
+  [11]=>
+  object(classA)#%d (0) {
+  }
+  ["unset"]=>
+  NULL
+  ["resource"]=>
+  resource(%d) of type (stream)
+  [12]=>
+  object(classA)#%d (0) {
+  }
+  [13]=>
+  resource(%d) of type (stream)
+}
+Done
diff --git a/ext/standard/tests/array/array_diff_variation9.phpt b/ext/standard/tests/array/array_diff_variation9.phpt
new file mode 100644
index 0000000000..58d9c201ba
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_variation9.phpt
@@ -0,0 +1,100 @@
+--TEST--
+Test array_diff() function : usage variations - multidimensional arrays
+--FILE--
+<?php
+/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have values which are 
+ * not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_diff() compares multidimensional arrays
+ */
+
+echo "*** Testing array_diff() : usage variations ***\n";
+
+$array1 = array('sub_array1' => array (1, 2, 3),
+                'sub_array2' => array ('a', 'b', 'c'));
+$array2 = array('sub_arraya' => array (1, 3, 5),
+                'sub_arrayb' => array ('a', 'z', 'y'));
+
+echo "-- Compare two 2-D arrays --\n";
+var_dump(array_diff($array1, $array2));
+var_dump(array_diff($array2, $array1));
+
+echo "\n-- Compare subarrays from two 2-D arrays --\n";
+var_dump(array_diff($array1['sub_array1'], $array2['sub_arraya']));
+var_dump(array_diff($array2['sub_arraya'], $array1['sub_array1']));
+
+var_dump(array_diff($array1['sub_array2'], $array2['sub_arrayb']));
+var_dump(array_diff($array2['sub_arrayb'], $array1['sub_array1']));
+
+echo "\n-- Compare a subarray from one 2-D array and one 2-D array --\n";
+var_dump(array_diff($array1['sub_array1'], $array2));
+var_dump(array_diff($array1, $array2['sub_arraya']));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_diff() : usage variations ***
+-- Compare two 2-D arrays --
+array(0) {
+}
+array(0) {
+}
+
+-- Compare subarrays from two 2-D arrays --
+array(1) {
+  [1]=>
+  int(2)
+}
+array(1) {
+  [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
\ No newline at end of file