3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!preg_match('/[^a-z_\-0-9]/i', 'dani') { echo 'bad';}else { echo 'good'; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '{' in /in/qu7aV on line 2
Process exited with code 255.
preferences:
182.92 ms | 1395 KiB | 62 Q