3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = (object)array(42); var_dump(array_key_exists(0, $o)), property_exists(0, $o)); var_dump($o->{0});
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0
Parse error: syntax error, unexpected ',' in /in/6Gfi0 on line 5
Process exited with code 255.

preferences:
158.77 ms | 1395 KiB | 24 Q