3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $pattern = '/HTTP/'; $serverProtocol = 'HTTP/1.1'; $protocol = preg_match($pattern, $serverProtocol, $matches); print_r($protocol, true);
based on BLnIV
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3