hphp/test/zend/bad/ext-standard-array/array_combine_variation4.php

   1 <?php
   2 /* Prototype  : array array_combine(array $keys, array $values)
   3  * Description: Creates an array by using the elements of the first parameter as keys
   4  *              and the elements of the second as the corresponding values
   5  * Source code: ext/standard/array.c
   6 */
   7
   8 /*
   9  * Testing the functionality of array_combine() by passing different
  10  * associative arrays having different possible keys to $keys argument and
  11  * associative arrays having different possible keys to $values argument.
  12 */
  13
  14 echo "*** Testing array_combine() : assoc array with diff keys to both \$keys and \$values argument ***\n";
  15 // get an unset variable
  16 $unset_var = 10;
  17 unset ($unset_var);
  18
  19 // get a resource variable
  20 $fp = fopen(__FILE__, "r");
  21
  22 // get a class
  23 class classA
  24 {
  25   public function __toString(){
  26     return "Class A object";
  27   }
  28 }
  29
  30 // get a heredoc string
  31 $heredoc = <<<EOT
  32 Hello world
  33 EOT;
  34
  35 // different variations of associative arrays to be passed to $arr1 argument
  36 $arrays = array (
  37
  38        // empty array
  39 /*1*/  array(),
  40
  41        // arrays with integer keys
  42        array(0 => "0"),
  43        array(1 => "1"),
  44        array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
  45
  46        // arrays with float keys
  47 /*5*/  array(2.3333 => "float"),
  48        array(1.2 => "f1", 3.33 => "f2",
  49              4.89999922839999 => "f3",
  50              33333333.333333 => "f4"),
  51
  52        // arrays with string keys
  53 /*7*/  array('\tHello' => 111, 're\td' => "color",
  54              '\v\fworld' => 2.2, 'pen\n' => 33),
  55        array("\tHello" => 111, "re\td" => "color",
  56              "\v\fworld" => 2.2, "pen\n" => 33),
  57        array("hello", $heredoc => "string"), // heredoc
  58
  59        // array with object, unset variable and resource variable
  60 /*10*/ array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
  61
  62        // array with mixed keys
  63 /*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
  64              $fp => 'resource', 133 => "int", 444.432 => "float",
  65              @$unset_var => "unset", $heredoc => "heredoc")
  66 );
  67
  68 // array to be passsed to $arr2 argument
  69 $arr2 = array(0 => 0, 2 => "float", 4 => "f3", 33333333 => "f4",
  70               "\tHello" => 111, 2.2, 'color', "Hello world" => "string",
  71               "pen\n" => 33, new classA() => 11, 133 => "int");
  72
  73 // loop through each sub-array within $arrays to check the behavior of array_combine()
  74 // same arrays are passed to both $keys and $values
  75 $iterator = 1;
  76 foreach($arrays as $array) {
  77   echo "-- Iteration $iterator --\n";
  78   var_dump( array_combine($array, $array) );
  79   $iterator++;
  80 }
  81
  82 // close the file resource used
  83 fclose($fp);
  84
  85 echo "Done";
  86 ?>