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run code in 300+ PHP versions simultaneously
<?php $class = "ArrayObject"; // we break BC here var_dump(unserialize('O:'.strlen($class).':"'.$class.'":0:{}')); // we still allow segfault: class MySplFileObject extends SplFileObject{} $class = "MySplFileObject"; var_dump(unserialize('O:'.strlen($class).':"'.$class.'":0:{}"));
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ''":0:{}"));' (T_ENCAPSED_AND_WHITESPACE) in /in/fHlMq on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE in /in/fHlMq on line 8
Process exited with code 255.
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