public static function isMobileRequest()
    {
        $_SERVER['ALL_HTTP'] = isset($_SERVER['ALL_HTTP']) ? $_SERVER['ALL_HTTP'] : '';
     
        $mobile_browser = '0';
     
        if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i', strtolower($_SERVER['HTTP_USER_AGENT'])))
            $mobile_browser++;
     
        if((isset($_SERVER['HTTP_ACCEPT'])) and (strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') !== false))
            $mobile_browser++;
     
        if(isset($_SERVER['HTTP_X_WAP_PROFILE']))
            $mobile_browser++;
     
        if(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') !== false)
            $mobile_browser++;
     
        // Pre-final check to reset everything if the user is on Windows
        if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') !== false)
            $mobile_browser=0;
     
        // But WP7 is also Windows, with a slightly different characteristic
        if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') !== false)
            $mobile_browser++;
     
        if($mobile_browser>0)
            return true;
        else
            return false;
    }
public static function isMobileRequest()
    {
        $_SERVER['ALL_HTTP'] = isset($_SERVER['ALL_HTTP']) ? $_SERVER['ALL_HTTP'] : '';
     
        $mobile_browser = '0';
     
        if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i', strtolower($_SERVER['HTTP_USER_AGENT'])))
            $mobile_browser++;
     
        if((isset($_SERVER['HTTP_ACCEPT'])) and (strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') !== false))
            $mobile_browser++;
     
        if(isset($_SERVER['HTTP_X_WAP_PROFILE']))
            $mobile_browser++;
     
        if(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') !== false)
            $mobile_browser++;
     
        // Pre-final check to reset everything if the user is on Windows
        if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') !== false)
            $mobile_browser=0;
     
        // But WP7 is also Windows, with a slightly different characteristic
        if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') !== false)
            $mobile_browser++;
     
        if($mobile_browser>0)
            return true;
        else
            return false;
    }
public static function isMobileRequest ( ) { $ _SERVER [ 'ALL_HTTP' ] = isset ( $ _SERVER [ 'ALL_HTTP' ] ) ? $ _SERVER [ 'ALL_HTTP' ] : '' ; $ mobile_browser = '0' ; if ( preg_match ( '/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i' , strtolower ( $ _SERVER [ 'HTTP_USER_AGENT' ] ) ) ) $ mobile_browser ++ ; if ( ( isset ( $ _SERVER [ 'HTTP_ACCEPT' ] ) ) and ( strpos ( strtolower ( $ _SERVER [ 'HTTP_ACCEPT' ] ) , 'application/vnd.wap.xhtml+xml' ) !== false ) ) $ mobile_browser ++ ; if ( isset ( $ _SERVER [ 'HTTP_X_WAP_PROFILE' ] ) ) $ mobile_browser ++ ; if ( 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' ) !== false ) $ mobile_browser ++ ; // Pre-final check to reset everything if the user is on Windows if ( strpos ( strtolower ( $ _SERVER [ 'HTTP_USER_AGENT' ] ) , 'windows' ) !== false ) $ mobile_browser = 0 ; // But WP7 is also Windows, with a slightly different characteristic if ( strpos ( strtolower ( $ _SERVER [ 'HTTP_USER_AGENT' ] ) , 'windows phone' ) !== false ) $ mobile_browser ++ ; if ( $ mobile_browser > 0 ) return true ; else return false ; }
Is Wap.

@easychen
Is Wap .