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run code in 200+ php & hhvm versions
Bugs & Features
<?php $geoIp = 'http://orlando.holaciudad.com/'; $url = preg_match('http:\/\/(.*)\/', $geoIp, $matches); var_dump($matches);
Output for 5.2.0 - 7.2.0
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/DI10W on line 3 NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/DI10W on line 3 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/DI10W on line 3 array(0) { }