hphp/test/quick/serialize.php

   1 <?php
   2
   3 class A {
   4   public $a = 1;
   5   private $b = "hello";
   6   protected $c = array(1, 2);
   7 }
   8
   9 class B extends A {
  10   public $b = 0;
  11 }
  12
  13 class C {
  14   public $a, $b, $c;
  15   function __construct() {
  16     $this->a = null;
  17     $this->b = acos(1.01);
  18     $this->c = log(0);
  19     echo "C has a safe constructor.\n";
  20   }
  21   function __wakeup() {
  22     echo "C wakes up safely.\n";
  23   }
  24   function __sleep() {
  25     echo "C sleeps safely.\n";
  26     return array('a', 'b', 'c');
  27   }
  28 }
  29
  30 class DangerousClass {
  31   public $danger = "DangerousString";
  32   function __construct() {
  33     echo "I have dangerous constructor.\n";
  34   }
  35   function __wakeup() {
  36     echo "I wake up dangerously.\n";
  37   }
  38   function __sleep() {
  39     echo "I sleep dangerously.\n";
  40     return array('danger');
  41   }
  42 }
  43
  44 class E {
  45   public $dangerousClass;
  46   function __construct() {
  47     $this->dangerousClass = new DangerousClass;
  48   }
  49 }
  50
  51 class F implements Serializable {
  52   public function serialize() {
  53     return "SerializedData";
  54   }
  55   public function unserialize($serialized) {
  56     echo "unserialize: $serialized\n";
  57     return $this;
  58   }
  59 }
  60
  61 class G extends DangerousClass {
  62 }
  63
  64 function test_serialization($obj, $class_whitelist) {
  65   $str = serialize($obj);
  66   var_dump($str);
  67   $new_obj = unserialize($str, $class_whitelist);
  68   var_dump($new_obj);
  69   unset($obj);
  70   unset($new_obj);
  71   echo "========================\n";
  72 }
  73
  74 function main() {
  75   test_serialization(new A, []);
  76   test_serialization(new B, array('A', 'B'));
  77   test_serialization(new C, array('C'));
  78   test_serialization(new DangerousClass, array());
  79   test_serialization(new E, array('E'));
  80   test_serialization(new F, array('F'));
  81   test_serialization(new G, array('G'));
  82   test_serialization(array("Hello World<>$%", acos(1.01), log(0), 50), array());
  83   test_serialization(
  84     array( new A, array(new B, array(new C, array(new E, array(new F))))),
  85     array('abc' => 'A', 5 => 'C', 'E', 'B', 'F')
  86   );
  87 }
  88
  89 main();