PHP: how to identify websites accessed by a computer or mobile phone _ PHP Tutorial-php Tutorial

How PHP identifies websites accessed by computers or mobile phones. How does PHP identify websites accessed by computers or mobile phones? it is becoming increasingly popular to visit websites through mobile phones. if we want to count the number of websites accessed through PCs, how does PHP identify visits to websites on mobile phones?

Access to websites through mobile phones is becoming more and more popular. if we want to count the traffic of websites through PCs and mobile terminals, or we need to do some special processing for mobile terminals, then we need to identify the client of the user accessing the website. The following example uses php to identify whether the user accesses the website through a computer or a mobile phone.

 0? $ Matches [0]: ''; $ mobile_ OS _list = array ('Google Wireless Transcoder ', 'windows CE', 'windowsce ', 'symbian', 'Android ', 'armv6l', 'armv5 ', 'mobile', 'cento', 'moyun', 'avantgo', 'Opera mobi', 'j2', 'Smartphone ', 'Go. web ', 'Palm', 'ipaq '); $ mobile_token_list = array ('Profile/MIDP', 'configuration/CLDC-', '2017 × 160 ', '000000', '000000', '000000', '000000', '000000', 'up. browser ', 'Up. link ', 'symbian OS', 'palmos ', 'pocketpc', 'sonyer Icsson ', 'Nokia', 'BlackBerry ', 'Vodafone', 'benq', 'novarra-Vision', 'Iris', 'netfront', 'HTC _', 'xda _ ', 'Samsung-sgh', 'wapaka', 'docomo', 'iPhone ', 'iPod'); $ found_mobile = CheckSubstrs ($ mobile_ OS _list, $ useragent_commentsblock) | CheckSubstrs ($ mobile_token_list, $ useragent); if ($ found_mobile) {return true;} else {return false;} function CheckSubstrs ($ substrs, $ text) {foreach ($ substrs as $ substr) {if (false! = Strpos ($ text, $ substr) {return true;} return false ;}}if (isMobile () {echo 'log on to m.phpernote.com ';} else {echo 'computer logon www.phpernote.com ';}

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Vivo is now becoming more and more popular in accessing websites through mobile phones. if we want to count the website's access volume through PCs and mobile terminals...