3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { class B {} } class V {}
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Fatal error: No code may exist outside of namespace {} in /in/AWK94 on line 7
Process exited with code 255.
preferences:
177.21 ms | 1395 KiB | 57 Q