hphp/test/zend/good/ext-standard-array/array_shift_variation2.php

   1 <?php
   2 /* Prototype  : mixed array_shift(array &$stack)
   3  * Description: Pops an element off the beginning of the array
   4  * Source code: ext/standard/array.c
   5  */
   6
   7 /*
   8  * Pass arrays where values are of one data type to test behaviour of array_shift()
   9  */
  10
  11 echo "*** Testing array_shift() : usage variations ***\n";
  12
  13
  14 //get an unset variable
  15 $unset_var = 10;
  16 unset ($unset_var);
  17
  18 // get a class
  19 class classA
  20 {
  21   public function __toString() {
  22     return "Class A object";
  23   }
  24 }
  25
  26 // heredoc string
  27 $heredoc = <<<EOT
  28 hello world
  29 EOT;
  30
  31 // get a resource variable
  32 $fp = fopen(__FILE__, "r");
  33
  34 // arrays of different data types to be passed to $stack argument
  35 $inputs = array(
  36
  37        // int data
  38 /*1*/  'int' => array(
  39            0,
  40        1,
  41        12345,
  42        -2345,
  43        ),
  44
  45        // float data
  46 /*2*/  'float' => array(
  47        10.5,
  48        -10.5,
  49        12.3456789000e10,
  50        12.3456789000E-10,
  51        .5,
  52        ),
  53
  54        // null data
  55 /*3*/ 'null' => array(
  56        NULL,
  57        null,
  58        ),
  59
  60        // boolean data
  61 /*4*/ 'bool' => array(
  62        true,
  63        false,
  64        TRUE,
  65        FALSE,
  66        ),
  67
  68        // empty data
  69 /*5*/ 'empty string' => array(
  70        "",
  71        '',
  72        ),
  73
  74 /*6*/ 'empty array' => array(
  75        ),
  76
  77        // string data
  78 /*7*/ 'string' => array(
  79        "string",
  80        'string',
  81        $heredoc,
  82        ),
  83
  84        // object data
  85 /*8*/ 'object' => array(
  86        new classA(),
  87        ),
  88
  89        // undefined data
  90 /*9*/ 'undefined' => array(
  91        @$undefined_var,
  92        ),
  93
  94        // unset data
  95 /*10*/ 'unset' => array(
  96        @$unset_var,
  97        ),
  98
  99        // resource variable
 100 /*11*/ 'resource' => array(
 101        $fp
 102        ),
 103 );
 104
 105 // loop through each element of $inputs to check the behavior of array_shift
 106 $iterator = 1;
 107 foreach($inputs as $key => $input) {
 108   echo "\n-- Iteration $iterator: $key data --\n";
 109   var_dump( array_shift($input) );
 110   var_dump($input);
 111   $iterator++;
 112 };
 113
 114 fclose($fp);
 115
 116
 117 echo "Done";
 118 ?>