3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { private $a = "a"; protected $b = "b"; public $c = "c"; } class B extends A implements Serializable { public function serialize() { $that = $this; return serialize($that); } public function unserialize($serialized) { } private $a = "a"; protected $b = "b"; public $c = "c"; } var_dump(serialize(new A())); var_dump(serialize(new B()));
Output for 5.4.0 - 7.1.0
string(66) "O:1:"A":3:{s:4:"Aa";s:1:"a";s:4:"*b";s:1:"b";s:1:"c";s:1:"c";}" string(16) "C:1:"B":4:{r:1;}"
Output for 5.1.0 - 5.3.29
string(66) "O:1:"A":3:{s:4:"Aa";s:1:"a";s:4:"*b";s:1:"b";s:1:"c";s:1:"c";}"
Process exited with code 139.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/t2UQ2 on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/t2UQ2 on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/t2UQ2 on line 4
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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/t2UQ2 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/t2UQ2 on line 4
Process exited with code 255.