hphp/test/zend/bad/ext-standard-serialize/serialization_arrays_002.php

   1 <?php
   2 /* Prototype  : proto string serialize(mixed variable)
   3  * Description: Returns a string representation of variable (which can later be unserialized)
   4  * Source code: ext/standard/var.c
   5  * Alias to functions:
   6  */
   7 /* Prototype  : proto mixed unserialize(string variable_representation)
   8  * Description: Takes a string representation of variable and recreates it
   9  * Source code: ext/standard/var.c
  10  * Alias to functions:
  11  */
  12
  13 function check(&$a) {
  14         var_dump($a);
  15         $ser = serialize($a);
  16         var_dump($ser);
  17
  18         $b = unserialize($ser);
  19         var_dump($b);
  20         $b[0] = "b0.changed";
  21         var_dump($b);
  22         $b[1] = "b1.changed";
  23         var_dump($b);
  24         $b[2] = "b2.changed";
  25         var_dump($b);
  26 }
  27
  28 echo "\n\n--- No references:\n";
  29 $a = array();
  30 $a[0] = 1;
  31 $a[1] = 1;
  32 $a[2] = 1;
  33 check($a);
  34
  35 echo "\n\n--- 0 refs 1:\n";
  36 $a = array();
  37 $a[0] = &$a[1];
  38 $a[1] = 1;
  39 $a[2] = 1;
  40 check($a);
  41
  42 echo "\n\n--- 0 refs 2:\n";
  43 $a = array();
  44 $a[0] = &$a[2];
  45 $a[1] = 1;
  46 $a[2] = 1;
  47 check($a);
  48
  49 echo "\n\n--- 1 refs 0:\n";
  50 $a = array();
  51 $a[0] = 1;
  52 $a[1] = &$a[0];
  53 $a[2] = 1;
  54 check($a);
  55
  56 echo "\n\n--- 1 refs 2:\n";
  57 $a = array();
  58 $a[0] = 1;
  59 $a[1] = &$a[2];
  60 $a[2] = 1;
  61 check($a);
  62
  63 echo "\n\n--- 2 refs 0:\n";
  64 $a = array();
  65 $a[0] = 1;
  66 $a[1] = 1;
  67 $a[2] = &$a[0];
  68 check($a);
  69
  70 echo "\n\n--- 2 refs 1:\n";
  71 $a = array();
  72 $a[0] = 1;
  73 $a[1] = 1;
  74 $a[2] = &$a[1];
  75 check($a);
  76
  77 echo "\n\n--- 0,1 ref 2:\n";
  78 $a = array();
  79 $a[0] = &$a[2];
  80 $a[1] = &$a[2];
  81 $a[2] = 1;
  82 check($a);
  83
  84 echo "\n\n--- 0,2 ref 1:\n";
  85 $a = array();
  86 $a[0] = &$a[1];
  87 $a[1] = 1;
  88 $a[2] = &$a[1];
  89 check($a);
  90
  91 echo "\n\n--- 1,2 ref 0:\n";
  92 $a = array();
  93 $a[0] = 1;
  94 $a[1] = &$a[0];
  95 $a[2] = &$a[0];
  96 check($a);
  97
  98 echo "Done";
  99 ?>