3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = null; var_dump(array_merge($var, array('foobar'));
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25, 5.5.0 - 5.5.9
Parse error: syntax error, unexpected ';' in /in/tJ1I8 on line 4
Process exited with code 255.
preferences:
181.19 ms | 1395 KiB | 72 Q