From: Raghubansh Kumar <kraghuba@php.net>
Date: Fri, 19 Oct 2007 18:41:13 +0000 (+0000)
Subject: New testcases for array_rand() function
X-Git-Tag: RELEASE_1_3_1~824
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=36ca7b94e6844069a0479439d7e18d15c607d762;p=php

New testcases for array_rand() function
---

diff --git a/ext/standard/tests/array/array_rand_basic1.phpt b/ext/standard/tests/array/array_rand_basic1.phpt
new file mode 100644
index 0000000000..0a8c2d88fe
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_basic1.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Test array_rand() function : basic functionality - array with default keys 
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Test array_rand() when array with default keys is passed to 'input' argument
+*/
+
+echo "*** Testing array_rand() : array with default keys ***\n";
+
+
+// Initialise the 'input' and 'num_req' variables
+$input = array(10, 20, 30, 40, 50, 60, 70);
+$num_req = 6;
+
+// Calling array_rand() with optional argument
+echo"\n-- with all default and optional arguments --\n";
+var_dump( array_rand($input,$num_req) );
+
+// Calling array_rand() with default arguments
+echo"\n-- with default argument --\n";
+var_dump( array_rand($input) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : array with default keys ***
+
+-- with all default and optional arguments --
+array(%d) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+  [3]=>
+  int(%d)
+  [4]=>
+  int(%d)
+  [5]=>
+  int(%d)
+}
+
+-- with default argument --
+int(%d)
+Done
diff --git a/ext/standard/tests/array/array_rand_basic2.phpt b/ext/standard/tests/array/array_rand_basic2.phpt
new file mode 100644
index 0000000000..154fcb55a4
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_basic2.phpt
@@ -0,0 +1,57 @@
+--TEST--
+Test array_rand() function : basic functionality - with associative array for 'input' argument 
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Test array_rand() when associative array is passed to 'input' argument
+*/
+
+echo "*** Testing array_rand() : with associative array ***\n";
+
+
+// Initialise the 'input' and 'num_req' variables
+$input = array(
+  'one' => 1, 'two' => 2, 'three' => 3, 
+  'FoUr' => 'four', '#5' => 5, 'SIX' => 'six',
+  "seven" => 7, "#8" => "eight", "nine" => "NINE"
+);
+
+$num_req = 6;
+
+// Calling array_rand() with optional argument
+echo"\n-- with all default and optional arguments --\n";
+var_dump( array_rand($input,$num_req) );
+
+// Calling array_rand() with default arguments
+echo"\n-- with default argument --\n";
+var_dump( array_rand($input) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : with associative array ***
+
+-- with all default and optional arguments --
+array(6) {
+  [0]=>
+  string(%d) "%s"
+  [1]=>
+  string(%d) "%s"
+  [2]=>
+  string(%d) "%s"
+  [3]=>
+  string(%d) "%s"
+  [4]=>
+  string(%d) "%s"
+  [5]=>
+  string(%d) "%s"
+}
+
+-- with default argument --
+string(%d) "%s"
+Done
diff --git a/ext/standard/tests/array/array_rand_error.phpt b/ext/standard/tests/array/array_rand_error.phpt
new file mode 100644
index 0000000000..bdbbfdb016
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_error.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test array_rand() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array input [, int num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_rand() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing array_rand() function with Zero arguments --\n";
+var_dump( array_rand() );
+
+//Test array_rand with one more than the expected number of arguments
+echo "\n-- Testing array_rand() function with more than expected no. of arguments --\n";
+$input = array(1, 2);
+$num_req = 10;
+$extra_arg = 10;
+var_dump( array_rand($input,$num_req, $extra_arg) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : error conditions ***
+
+-- Testing array_rand() function with Zero arguments --
+
+Warning: Wrong parameter count for array_rand() in %s on line %d
+NULL
+
+-- Testing array_rand() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for array_rand() in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_rand_variation1.phpt b/ext/standard/tests/array/array_rand_variation1.phpt
new file mode 100644
index 0000000000..3b15610760
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation1.phpt
@@ -0,0 +1,216 @@
+--TEST--
+Test array_rand() function : usage variations  - unexpected values for 'input' parameter
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array input [, int num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test array_rand() with different types of values other than arrays passed to the 'input' parameter
+* to see that function works with unexpeced data and generates warning message as required.
+*/
+
+echo "*** Testing array_rand() : unexpected values for 'input' parameter ***\n";
+
+// Initialise function arguments
+$num_req = 10;
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//get a resource variable
+$fp = fopen(__FILE__, "r");
+
+//define a class
+class test
+{
+  var $t = 10;
+  function __toString() 
+  {
+    return "object";
+  }
+}
+
+//array of different values for 'input' parameter
+$values = 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',
+
+        // object data
+/*20*/  new test(),
+
+        // resource data
+/*21*/  $fp,
+
+        // undefined data
+/*22*/  @$undefined_var,
+
+        // unset data
+/*23*/  @$unset_var,
+);
+
+/* loop through each element of the array to test array_rand() function 
+ * for different values for 'input' argument
+*/
+$count = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( array_rand($value,$num_req) );
+  $count++; 
+};
+
+// closing the resource
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : unexpected values for 'input' parameter ***
+
+-- Iteration 1 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_rand(): First argument has to be an array in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_rand_variation2.phpt b/ext/standard/tests/array/array_rand_variation2.phpt
new file mode 100644
index 0000000000..e97a7186fd
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation2.phpt
@@ -0,0 +1,214 @@
+--TEST--
+Test array_rand() function : usage variations  - unexpected values for 'num_req' parameter
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array input [, int num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test array_rand() with different types of values other than int passed to 'num_req' argument
+* to see that function works with unexpeced data and generates warning message as required.
+*/
+
+echo "*** Testing array_rand() : unexpected values for 'num_req' parameter ***\n";
+
+// Initialise function arguments
+$input = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//define a class
+class test
+{
+  var $t = 10;
+  function __toString()
+  {
+    return "3object";
+  }
+}
+
+//array of values to iterate over
+$values = 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',
+
+        // object data
+/*20*/  new test(),
+
+        // undefined data
+/*21*/  @$undefined_var,
+
+        // unset data
+/*22*/  @$unset_var,
+);
+
+
+// loop through each element of the array for different values for 'num_req' argument
+$count = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( array_rand($input,$value) );  
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : unexpected values for 'num_req' parameter ***
+
+-- Iteration 1 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 2 --
+int(%d)
+
+-- Iteration 3 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 5 --
+array(10) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+  [3]=>
+  int(%d)
+  [4]=>
+  int(%d)
+  [5]=>
+  int(%d)
+  [6]=>
+  int(%d)
+  [7]=>
+  int(%d)
+  [8]=>
+  int(%d)
+  [9]=>
+  int(%d)
+}
+
+-- Iteration 6 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 12 --
+int(%d)
+
+-- Iteration 13 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 14 --
+int(%d)
+
+-- Iteration 15 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 18 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 19 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Notice: Object of class test could not be converted to int in %s on line %d
+int(%d)
+
+-- Iteration 21 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_rand_variation3.phpt b/ext/standard/tests/array/array_rand_variation3.phpt
new file mode 100644
index 0000000000..62ab6b8dbd
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation3.phpt
@@ -0,0 +1,149 @@
+--TEST--
+Test array_rand() function : usage variation - with MultiDimensional array 
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test behaviour of array_rand() function when multi-dimensional array 
+* is passed to 'input' argument
+*/
+
+echo "*** Testing array_rand() : with multi-dimensional array ***\n";
+
+// initialise the multi-dimensional array
+$input = array(
+       // array with int values
+/*1*/  array(1, 2, 0, -0, -1, -2),
+
+       // array with float values
+       array(1.23, -1.23, 0.34, -0.34, 0e2, 2e-3, -2e2, -40e-2),             
+               
+       // array with single quoted strings 
+/*3*/  array('one', '123numbers', 'hello\tworld', 'hello world\0', '12.34floatnum'),
+
+       // array with double quoted strings 
+       array("one","123numbers", "hello\tworld", "hello world\0", "12.34floatnum"),
+
+       // array with bool values
+/*5*/  array(true, TRUE, FALSE, false, TrUe, FaLsE),
+
+       // array with hexa values
+       array(0x123, -0x123, 0xabc, 0xABC, 0xab),
+ 
+       // array with null values
+/*7*/  array(null, NULL, "\0", Null, NuLl)
+
+);
+
+// initialise 'num_req' variable
+$num_req = 3;
+
+// calling array_rand() function with multi-dimensional array
+var_dump( array_rand($input, $num_req) );
+
+// looping to test array_rand() with each sub-array in the multi-dimensional array
+echo "\n*** Testing array_rand() with arrays having different types of values ***\n";
+$counter = 1;
+foreach($input as $arr) {
+  echo "\n-- Iteration $counter --\n";
+  var_dump( array_rand($arr) );  // with default arguments
+  var_dump( array_rand($arr, 3) );  // with default as well as optional arguments
+  $counter++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : with multi-dimensional array ***
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+*** Testing array_rand() with arrays having different types of values ***
+
+-- Iteration 1 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 2 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 3 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 4 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 5 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 6 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+
+-- Iteration 7 --
+int(%d)
+array(3) {
+  [0]=>
+  int(%d)
+  [1]=>
+  int(%d)
+  [2]=>
+  int(%d)
+}
+Done
diff --git a/ext/standard/tests/array/array_rand_variation4.phpt b/ext/standard/tests/array/array_rand_variation4.phpt
new file mode 100644
index 0000000000..9eb7edcd59
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation4.phpt
@@ -0,0 +1,167 @@
+--TEST--
+Test array_rand() function : usage variation - with associative arrays for 'input' parameter 
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test behaviour of array_rand() function when associative array is passed to
+* the 'input' parameter in the function call
+*/
+
+echo "*** Testing array_rand() : with associative arrays ***\n";
+
+// initialise associative arrays
+$asso_arrays = array(
+    
+       // array with numeric keys
+/*1*/  array(1 => 'one', 2 => 2, 1234567890 => 'big', -1 => 'negative key',
+             2.3 => 'float key', 0 => "zero key", 0.2 => 'decimal key',
+             2e2 => 'exp key1', -2e3 => 'negative exp key'),
+      
+       // array with string keys
+       array('one' => 1, "two" => 2.0, "three" => 'three',
+             '12twelve' => 12.00, "" => 'empty string', " " => "space key"),
+
+       // array with hexa values as keys
+/*3*/  array(0xabc => 2748, 0x12f => '303', 0xff => "255", -0xff => "-255"),
+
+       // array with octal values as keys 
+       array(0123 => 83, 0129 => 10, 010 => "8", -0348 => "-28", 0012 => '10'),
+
+       // array with bool values as keys
+       array(TRUE => '1', true => true, TrUe => "TRUE",
+             FALSE => '0', false => false, FaLsE => "FALSE"),
+
+       // array with special chars as keys
+/*6*/  array('##' => "key1", '&$r' => 'key2', '!' => "key3", '<>' =>'key4',
+             "NULL" => 'key5', "\n" => 'newline as key',
+             "\t" => "tab as key", "'" => 'single quote as key',
+             '"' => 'double quote as key', "\0" => "null char as key")
+);
+       
+/* looping to test array_rand() function with different arrays having
+ * different types of keys
+*/
+$counter = 1;
+foreach($asso_arrays as $input) {
+  echo "\n-- Iteration $counter --\n";
+
+  // with default argument
+  echo"\nWith default argument\n";
+  var_dump( array_rand($input) );
+
+  // with default and optional arguments
+  echo"\nWith num_req = 1\n";
+  var_dump( array_rand($input, 1) );  // with $num_req=1
+  echo"\nWith num_req = 2\n";
+  var_dump( array_rand($input, 2) );  // with $num_req=2
+ 
+  $counter++;
+}  // end of for loop
+ 
+
+echo "Done";
+?>
+--EXPECTREGEX--
+\*\*\* Testing array_rand\(\) : with associative arrays \*\*\*
+
+-- Iteration 1 --
+
+With default argument
+int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
+
+With num_req = 1
+int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
+  \[1\]=>
+  int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
+}
+
+-- Iteration 2 --
+
+With default argument
+string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
+
+With num_req = 1
+string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
+  \[1\]=>
+  string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
+}
+
+-- Iteration 3 --
+
+With default argument
+int\([23-]*[2570]*[345]*[58]*\)
+
+With num_req = 1
+int\([23-]*[2570]*[345]*[58]*\)
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  int\([23-]*[2570]*[345]*[58]*\)
+  \[1\]=>
+  int\([23-]*[2570]*[345]*[58]*\)
+}
+
+-- Iteration 4 --
+
+With default argument
+int\([18-]*[023]*[8]*\)
+
+With num_req = 1
+int\([18-]*[023]*[8]*\)
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  int\([18-]*[023]*[8]*\)
+  \[1\]=>
+  int\([18-]*[023]*[8]*\)
+}
+
+-- Iteration 5 --
+
+With default argument
+int\([01]\)
+
+With num_req = 1
+int\([01]\)
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  int\([01]\)
+  \[1\]=>
+  int\([01]\)
+}
+
+-- Iteration 6 --
+
+With default argument
+string\([0-9]*\) "[#&!N  <\n\t'"\0]*[U#$>]*[rL]*[L]*"
+
+With num_req = 1
+string\([0-9]*\) "[#&!N  <\n\t'"\0]*[U#$>]*[rL]*[L]*"
+
+With num_req = 2
+array\(2\) {
+  \[0\]=>
+  string\([0-9]*\) "[#&!N  <\n\t'"\0]*[U#$>]*[rL]*[L]*"
+  \[1\]=>
+  string\([0-9]*\) "[#&!N  <\n\t'"\0]*[U#$>]*[rL]*[L]*"
+}
+Done
diff --git a/ext/standard/tests/array/array_rand_variation5.phpt b/ext/standard/tests/array/array_rand_variation5.phpt
new file mode 100644
index 0000000000..e578d81252
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation5.phpt
@@ -0,0 +1,74 @@
+--TEST--
+Test array_rand() function : usage variation - invalid values for 'req_num' parameter
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test behaviour of array_rand() function when associative array and 
+* various invalid values are passed to the 'input' and 'req_num' 
+* parameters respectively
+*/
+
+echo "*** Testing array_rand() : with invalid values for 'req_num' ***\n";
+
+// initialise associative arrays
+$input = array(
+  1 => 'one', 2.2 => 'float key', 0.9 => 'decimal key',
+  2e2 => 'exp key1', 2000e-3 => 'negative exp key',
+  0xabc => 2748, 0x12f => '303', 0xff => "255",
+  0123 => 83, 0129 => 10, 010 => "8"
+);
+       
+// Testing array_rand() function with various invalid 'req_num' values
+// with valid num_req values  
+echo"\n-- With default num_req value --\n";
+var_dump( array_rand($input) );  // with default $num_req value
+echo"\n-- With num_req = 1 --\n";
+var_dump( array_rand($input, 1) );  // with valid $num_req value
+
+// with invalid num_req value
+echo"\n-- With num_req = 0 --\n";
+var_dump( array_rand($input, 0) );  // with $num_req=0
+echo"\n-- With num_req = -1 --\n";
+var_dump( array_rand($input, -1) );  // with $num_req=-1
+echo"\n-- With num_req = -2 --\n";
+var_dump( array_rand($input, -2) );  // with $num_req=-2
+echo"\n-- With num_req more than number of members in 'input' array --\n";
+var_dump( array_rand($input, 13) );  // with $num_req=13
+ 
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : with invalid values for 'req_num' ***
+
+-- With default num_req value --
+int(%d)
+
+-- With num_req = 1 --
+int(%d)
+
+-- With num_req = 0 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req = -1 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req = -2 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req more than number of members in 'input' array --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_rand_variation6.phpt b/ext/standard/tests/array/array_rand_variation6.phpt
new file mode 100644
index 0000000000..887a18d4a4
--- /dev/null
+++ b/ext/standard/tests/array/array_rand_variation6.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test array_rand() function : usage variation - with heredoc string as key in the 'input' array
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test behaviour of array_rand() when keys of the 'input' array is heredoc string
+*/
+
+echo "*** Testing array_rand() : with keys of input array as heredoc strings ***\n";
+
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$input = array(
+  $empty_heredoc => "heredoc1",
+  $heredoc_with_newline => "heredoc2",
+  $heredoc_with_characters => "heredoc3",
+  $heredoc_with_newline_and_tabs => "heredoc3",
+  $heredoc_with_alphanumerics => "heredoc4",
+  $heredoc_with_embedded_nulls => "heredoc5"
+);
+
+// Test array_rand() function with different valid 'req_num' values
+echo "\n-- with default parameters --\n";
+var_dump( array_rand($input) );
+
+echo "\n-- with num_req = 1 --\n";
+var_dump( array_rand($input, 1) );
+
+echo "\n-- with num_req = 3 --\n";
+var_dump( array_rand($input, 3) );
+
+echo "\n-- with num_req = 6 --\n";
+var_dump( array_rand($input, 6) );
+
+
+echo "Done";
+?>
+--EXPECTREGEX--
+\*\*\* Testing array_rand\(\) : with keys of input array as heredoc strings \*\*\*
+
+-- with default parameters --
+string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+
+-- with num_req = 1 --
+string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+
+-- with num_req = 3 --
+array\(3\) {
+  \[0\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[1\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[2\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+}
+
+-- with num_req = 6 --
+array\(6\) {
+  \[0\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[1\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[2\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[3\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[4\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+  \[5\]=>
+  string\([0-9]*\) "[a-z \n \t \0 0-9  ]*"
+}
+Done