hphp/test/zend/good/ext-standard-array/array_shift_variation1.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 different data types as $stack argument to array_shift() to test behaviour
   9  */
  10
  11 echo "*** Testing array_shift() : usage variations ***\n";
  12
  13 //get an unset variable
  14 $unset_var = 10;
  15 unset ($unset_var);
  16
  17 // get a class
  18 class classA
  19 {
  20   public function __toString() {
  21     return "Class A object";
  22   }
  23 }
  24
  25 // heredoc string
  26 $heredoc = <<<EOT
  27 hello world
  28 EOT;
  29
  30 // get a resource variable
  31 $fp = fopen(__FILE__, "r");
  32
  33 // unexpected values to be passed to $stack argument
  34 $inputs = array(
  35
  36        // int data
  37 /*1*/  0,
  38        1,
  39        12345,
  40        -2345,
  41
  42        // float data
  43 /*5*/  10.5,
  44        -10.5,
  45        12.3456789000e10,
  46        12.3456789000E-10,
  47        .5,
  48
  49        // null data
  50 /*10*/ NULL,
  51        null,
  52
  53        // boolean data
  54 /*12*/ true,
  55        false,
  56        TRUE,
  57        FALSE,
  58
  59        // empty data
  60 /*16*/ "",
  61        '',
  62
  63        // string data
  64 /*18*/ "string",
  65        'string',
  66        $heredoc,
  67
  68        // object data
  69 /*21*/ new classA(),
  70
  71        // undefined data
  72 /*22*/ @$undefined_var,
  73
  74        // unset data
  75 /*23*/ @$unset_var,
  76
  77        // resource variable
  78 /*24*/ $fp
  79 );
  80
  81 // loop through each element of $inputs to check the behavior of array_shift()
  82 $iterator = 1;
  83 foreach($inputs as $input) {
  84   echo "\n-- Iteration $iterator --\n";
  85   var_dump( array_shift($input) );
  86   $iterator++;
  87 };
  88
  89 fclose($fp);
  90
  91 echo "Done";
  92 ?>