3v4l.org

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<?php $url = 'http://eoc.io'; if (!preg_match('~^https?\:\/\/(?:[a-z\_\-0-9]|\.)+\.[a-z0-9]+(\/?)~i', $url, $matched)) { }else if($matched && $matched[1] === ''){ $url .= '/'; } var_dump($url);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(14) "http://eoc.io/"

preferences:
231.46 ms | 405 KiB | 355 Q