3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Node { private $foo; public function __sleep() { return array('foo'); } public function __set($name, $val) { $foo[$name] = $val; } } $node = new Node; $node->self = $node; echo serialize($node);
Output for 5.0.2 - 5.0.4, 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
O:4:"Node":1:{s:9:"Nodefoo";N;}
Output for 5.0.5

Process exited with code 139.
Output for 5.0.0 - 5.0.1
O:4:"Node":1:{s:3:"foo";N;}
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/XAmaL 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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XAmaL on line 3
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/XAmaL on line 3
Process exited with code 255.