3v4l.org

run code in 300+ PHP versions simultaneously
<?php function () { echo "Hello!\n"; } ();
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '(' in /in/t9EpE on line 7
Process exited with code 255.
preferences:
186.38 ms | 1395 KiB | 60 Q