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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Bar {} class Foo implements Serializable { public $test; public function __construct($test) { $this->test = $test; } public function serialize() { return $this->test; } public function unserialize($serialized) { //the following line causes problems unserialize('O:3:"Bar":1:{s:4:"bar1";O:3:"Bar":0:{}}'); $this->test = $serialized; } } $foo1 = new Foo('foo1'); $foo2 = new Foo('foo2'); $foo3 = new Foo('foo3'); $ar = array( array( 'instance' => $foo1, ), array( 'instance' => $foo2, ), array( 'instance' => $foo3, 'parent' => $foo2 ) ); $ar = serialize($ar); $ar = unserialize($ar); print_r($ar);
Output for 5.4.39 - 5.6.28, 7.0.6 - 7.1.0
Array ( [0] => Array ( [instance] => Foo Object ( [test] => foo1 ) ) [1] => Array ( [instance] => Foo Object ( [test] => foo2 ) ) [2] => Array ( [instance] => Foo Object ( [test] => foo3 ) [parent] => Bar Object ( ) ) )
Output for 5.1.0 - 5.3.29, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.5
Array ( [0] => Array ( [instance] => Foo Object ( [test] => foo1 ) ) [1] => Array ( [instance] => Foo Object ( [test] => foo2 ) ) [2] => Array ( [instance] => Foo Object ( [test] => foo3 ) [parent] => Foo Object ( [test] => foo2 ) ) )
Output for 5.4.5 - 5.4.9, 5.4.22 - 5.4.38
Array ( [0] => Array ( [instance] => Foo Object ( [test] => foo1 ) ) [1] => Array ( [instance] => Foo Object ( [test] => foo2 ) ) [2] => Array ( [instance] => Foo Object ( [test] => foo3 ) [parent] => foo2 ) )
Output for 5.4.0 - 5.4.4, 5.4.10 - 5.4.21
Array ( [0] => Array ( [instance] => Foo Object ( [test] => foo1 ) ) [1] => Array ( [instance] => Foo Object
Process exited with code 139.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/oAhZZ on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/oAhZZ on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/oAhZZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/oAhZZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/oAhZZ on line 3
Process exited with code 255.