This function deliver you a true or false value, depending if a mobile device is used. You can just call this function and do then whatever you want.
function mobilecheck(){ $mobile_browser = '0'; if (preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) { $mobile_browser++; } if ((strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') > 0) or ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE'])))) { $mobile_browser++; } $mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'], 0, 4)); $mobile_agents = array( 'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac', 'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno', 'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-', 'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-', 'newt','noki','oper','palm','pana','pant','phil','play','port','prox', 'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar', 'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-', 'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp', 'wapr','webc','winw','winw','xda ','xda-'); if (in_array($mobile_ua,$mobile_agents)) { $mobile_browser++; } if (strpos(strtolower($_SERVER['ALL_HTTP']),'OperaMini') > 0) { $mobile_browser++; } if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']),'windows') > 0) { $mobile_browser = 0; } if ($mobile_browser > 0) { return true; } else { return false;}}
For redirecting you can use e.g.