hphp/test/zend/good/ext-standard-array/array_intersect_assoc_variation6.php

   1 <?php
   2 /* Prototype  : array array_intersect_assoc(array $arr1, array $arr2 [, array $...])
   3  * Description: Returns the entries of arr1 that have values which are present in all the other arguments.
   4  * Keys are used to do more restrictive check
   5  * Source code: ext/standard/array.c
   6 */
   7
   8 /*
   9  * Testing the functionality of array_intersect_assoc() by passing different
  10  * associative arrays having different possible keys to $arr2 argument.
  11  * The $arr1 argument passed is a fixed array.
  12 */
  13
  14 echo "*** Testing array_intersect_assoc() : assoc array with diff keys to \$arr2 argument ***\n";
  15
  16 // get an unset variable
  17 $unset_var = 10;
  18 unset ($unset_var);
  19
  20 // get a heredoc string
  21 $heredoc = <<<EOT
  22 Hello world
  23 EOT;
  24
  25 // different variations of associative arrays to be passed to $arr2 argument
  26 $arrays = array (
  27
  28        // empty array
  29 /*1*/  array(),
  30
  31        // arrays with integer keys
  32        array(0 => "0"),
  33        array(1 => "1"),
  34        array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
  35
  36        // arrays with float keys
  37 /*5*/  array(2.3333 => "float"),
  38        array(1.2 => "f1", 3.33 => "f2",
  39              4.89999922839999 => "f3",
  40              33333333.333333 => "f4"),
  41
  42        // arrays with string keys
  43 /*7*/  array('\tHello' => 111, 're\td' => "color",
  44              '\v\fworld' => 2.2, 'pen\n' => 33),
  45        array("\tHello" => 111, "re\td" => "color",
  46              "\v\fworld" => 2.2, "pen\n" => 33),
  47        array("hello", $heredoc => "string"), // heredoc
  48
  49        // array with  unset variable
  50 /*10*/ array( @$unset_var => "hello"),
  51
  52        // array with mixed keys
  53 /*11*/ array('hello' => 1, "fruit" => 2.2,
  54               133 => "int", 444.432 => "float",
  55              @$unset_var => "unset", $heredoc => "heredoc")
  56 );
  57
  58 // array to be passsed to $arr1 argument
  59 $arr1 = array(0 => 0, 2 => "float", 4 => "f3", 33333333 => "f4",
  60               "\tHello" => 111, 2.2, 'color', "Hello world" => "string",
  61               "pen\n" => 33, 133 => "int");
  62
  63 // loop through each sub-array within $arrrays to check the behavior of array_intersect_assoc()
  64 $iterator = 1;
  65 foreach($arrays as $arr2) {
  66   echo "-- Iteration $iterator --\n";
  67
  68   // Calling array_intersect_assoc() with default arguments
  69   var_dump( array_intersect_assoc($arr1, $arr2) );
  70
  71   // Calling array_intersect_assoc() with more arguments.
  72   // additional argument passed is the same as $arr1 argument
  73   var_dump( array_intersect_assoc($arr1, $arr2, $arr1) );
  74   $iterator++;
  75 }
  76
  77 echo "Done";
  78 ?>