3v4l.org

run code in 300+ PHP versions simultaneously
<?php $out = []; nul = 'null'; else $out[] = $nul;
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '=' in /in/4h0Wf on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/4h0Wf on line 2
Process exited with code 255.
preferences:
174.19 ms | 1395 KiB | 53 Q