3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Labs\Routing; use Labs\HTTP\Request as HTTP\Request; interface Router { public static function serve(HTTP\Request $httpRequest); }
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting ',' or ';' in /in/VL2nL on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting ',' or ';' in /in/VL2nL on line 5
Process exited with code 255.
preferences:
175.38 ms | 1395 KiB | 62 Q