3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $referer = 'http://chameleon.online.dev/documents/orders/'; // Извлекаем имя хоста из URL preg_match('@^(http://[.*])/?[.*]@i', $referer, $matches); $host = $matches[1]; var_dump($host);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 1 in /in/rvJLd on line 9 NULL
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 1 in /in/rvJLd on line 9 NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 1 in /in/rvJLd on line 9 NULL