3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php class A implements JsonSerializable { public function jsonSerialize() { return []; } } new A(); new B(); class B implements JsonSerializable { public function jsonSerialize() { return []; } }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '<' in /in/ciDqM on line 3
Process exited with code 255.
preferences:
204.49 ms | 1395 KiB | 58 Q