3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function get_domain($url) { if ( !preg_match("/^http/", $url) ) $url = 'http://' . $url; if ( $url[strlen($url)-1] != '/' ) $url .= '/'; $pieces = parse_url($url); $domain = isset($pieces['host']) ? $pieces['host'] : ''; if ( preg_match('/(?[a-z\.]{2,6})$/i', $domain, $regs) ) { $res = preg_replace('/^www\./', '', $regs['domain'] ); return $res; } return false; } var_dump(get_domain('Wmcareers.net'));
Output for 4.4.9, 5.2.6 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Compilation failed: unrecognized character after (? or (?- at offset 2 in /in/uJI0I on line 11 bool(false)
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: unrecognized character after (? or (?- at offset 2 in /in/uJI0I on line 11 bool(false)
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.2.5
Warning: preg_match(): Compilation failed: unrecognized character after (? at offset 2 in /in/uJI0I on line 11 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (? at offset 2 in /in/uJI0I on line 11 bool(false)