3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?="<?"?>xml version="1.0" encoding="UTF-8"<?="?>"?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19, 5.5.0 - 5.5.3
Parse error: syntax error, unexpected '<' in /in/YWJTM on line 2
Process exited with code 255.
preferences:
177.02 ms | 1395 KiB | 59 Q