3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if(preg_match('/MSIE (.*?);/', "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)") || // This regex fails to detect IE 11 preg_match('/^(?=.*(Trident))(?=.*(rv:11.0)).*$/',"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)") { echo 'true'; } else { echo 'false'; }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.26
Parse error: syntax error, unexpected '{' in /in/NqR43 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/NqR43 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NqR43 on line 3
Process exited with code 255.