首页 / 网页编程 / PHP / php如何判断是手机访问还是电脑访问

<？phpfunction isMobile（）{$useragent=isset（$_SERVER["HTTP_USER_AGENT"]） ？ $_SERVER["HTTP_USER_AGENT"] : "";$useragent_commentsblock=preg_match（"|（.*？）|",$useragent,$matches）>0？$matches[0]:"";function CheckSubstrs（$substrs,$text）{foreach（$substrs as $substr）if（false！==strpos（$text,$substr））{return true;}return false;}$mobile_os_list=array（"Google Wireless Transcoder","Windows CE","WindowsCE","Symbian","Android","armv6l","armv5","Mobile","CentOS","mowser","AvantGo","Opera Mobi","J2ME/MIDP","Smartphone","Go.Web","Palm","iPAQ"）;$mobile_token_list=array（"Profile/MIDP","Configuration/CLDC-","160×160","176×220","240×240","240×320","320×240","UP.Browser","UP.Link","SymbianOS","PalmOS","PocketPC","SonyEricsson","Nokia","BlackBerry","Vodafone","BenQ","Novarra-Vision","Iris","NetFront","HTC_","Xda_","SAMSUNG-SGH","Wapaka","DoCoMo","iPhone","iPod"）;$found_mobile=CheckSubstrs（$mobile_os_list,$useragent_commentsblock） ||CheckSubstrs（$mobile_token_list,$useragent）;if （$found_mobile）{return true;}else{return false;}}if （isMobile（））echo "手机登录m.php.com";elseecho "电脑登录www.php.com";？>