3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; define('Foo\\true', false); define('Foo\\function', 'ol'); if (true) { echo "TRUE"; } else { echo "FALSE!!!"; echo function; }
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 ';', expecting '(' in /in/IXnSc on line 10
Process exited with code 255.
preferences:
173.17 ms | 1395 KiB | 68 Q