3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace One { function strlen($s) { return '-NS-'; } var_dump(\strlen('HELLO')); var_dump(strlen('HELLO')); var_dump(namespace\strlen('HELLO')); echo "\n"; } namespace Two { var_dump(\strlen('HELLO')); var_dump(strlen('HELLO')); var_dump(namespace\strlen('HELLO')); }

preferences:
53.81 ms | 402 KiB | 5 Q