3v4l.org

run code in 300+ PHP versions simultaneously
<?php substr(""], 0, 3);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23, 5.5.0 - 5.5.7
Parse error: syntax error, unexpected ']' in /in/bPilH on line 2
Process exited with code 255.
preferences:
183.46 ms | 1395 KiB | 68 Q