3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $agent = 'Dotbot'; if ($agent=='' || preg_match('#(megaupload|feedfetcher|yisouspider|httrack|httpclient|surveybot|anonymous|similarpages|webcollage|mj12bot|webcopier|teleport|ispider|wget|offline|websnake|download|ezooms|exabot|gigabot|dotbot|psbot)#i',$agent)) echo 1; else echo 0;
based on 8dsWu
Output for 4.3.0 - 7.1.10
1