PHP判断客户端是PCweb端还是移动手机端方法

方法一，摘自discuz/****根据php的$_SERVER['HTTP_USER_AGENT']中各种浏览器访问时所包含各个浏览器特定的字符串来判断是属于PC还是移动端*@authordiscuz3x*@lastmodify2014-04-09*@returnBOOL*/functioncheckmobile(){global$_G;$mobile=array();//各个触控浏览器中$_SERVER['HTTP_USER_AGENT']所包含的字符串数组static$touchbrowser_list=array('iphone','android','phone','mobile','wap','netfront','java','operamobi','operamini','ucweb','windowsce','symbian','series','webos','sony','blackberry','dopod','nokia','samsung','palmsource','xda','pieplus','meizu','midp','cldc','motorola','foma','docomo','up.browser','up.link','blazer','helio','hosin','huawei','novarra','coolpad','webos','techfaith','palmsource','alcatel','amoi','ktouch','nexian','ericsson','philips','sagem','wellcom','bunjalloo','maui','smartphone','iemobile','spice','bird','zte-','longcos','pantech','gionee','portalmmm','jigbrowser','hiptop','benq','haier','^lct','320x320','240x320','176x220');//window手机浏览器数组【猜的】static$mobilebrowser_list=array('windowsphone');//wap浏览器中$_SERVER['HTTP_USER_AGENT']所包含的字符串数组static$wmlbrowser_list=array('cect','compal','ctl','lg','nec','tcl','alcatel','ericsson','bird','daxian','dbtel','eastcom','pantech','dopod','philips','haier','konka','kejian','lenovo','benq','mot','soutec','nokia','sagem','sgh','sed','capitel','panasonic','sonyericsson','sharp','amoi','panda','zte');$pad_list=array('pad','gt-p1000');$useragent=strtolower($_SERVER['HTTP_USER_AGENT']);if(dstrpos($useragent,$pad_list)){returnfalse;}if(($v=dstrpos($useragent,$mobilebrowser_list,true))){$_G['mobile']=$v;return'1';}if(($v=dstrpos($useragent,$touchbrowser_list,true))){$_G['mobile']=$v;return'2';}if(($v=dstrpos($useragent,$wmlbrowser_list))){$_G['mobile']=$v;return'3';//wml版}$brower=array('mozilla','chrome','safari','opera','m3gate','winwap','openwave','myop');if(dstrpos($useragent,$brower))returnfalse;$_G['mobile']='unknown';//对于未知类型的浏览器，通过$_GET['mobile']参数来决定是否是手机浏览器if(isset($_G['mobiletpl'][$_GET['mobile']])){returntrue;}else{returnfalse;}}/***判断$arr中元素字符串是否有出现在$string中*@param$string$_SERVER['HTTP_USER_AGENT']*@param$arr各中浏览器$_SERVER['HTTP_USER_AGENT']中必定会包含的字符串*@param$returnvalue返回浏览器名称还是返回布尔值，true为返回浏览器名称，false为返回布尔值【默认】*@authordiscuz3x*@lastmodify2014-04-09*/functiondstrpos($string,$arr,$returnvalue=false){if(empty($string))returnfalse;foreach((array)$arras$v){if(strpos($string,$v)!==false){$return=$returnvalue?$v:true;return$return;}}returnfalse;}方法二：?phpfunctionisMobile(){//如果有HTTP_X_WAP_PROFILE则一定是移动设备if(isset($_SERVER['HTTP_X_WAP_PROFILE'])){returntrue;}//如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息if(isset($_SERVER['HTTP_VIA'])){//找不到为flase,否则为truereturnstristr($_SERVER['HTTP_VIA'],wap)?true:false;}//脑残法，判断手机发送的客户端标志,兼容性有待提高if(isset($_SERVER['HTTP_USER_AGENT'])){$clientkeywords=array('nokia','sony','ericsson','mot','samsung','htc','sgh','lg','sharp','sie-','philips','panasonic','alcatel','lenovo','iphone','ipod','blackberry','meizu','android','netfront','symbian','ucweb','windowsce','palm','operamini','operamobi','openwave','nexusone','cldc','midp','wap','mobile');//从HTTP_USER_AGENT中查找手机浏览器的关键字if(preg_match(/(.implode('|',$clientkeywords).)/i,strtolower($_SERVER['HTTP_USER_AGENT']))){returntrue;}}//协议法，因为有可能不准确，放到最后判断if(isset($_SERVER['HTTP_ACCEPT'])){//如果只支持wml并且不支持html那一定是移动设备//如果支持wml和html但是wml在html之前则是移动设备if((strpos($_SERVER['HTTP_ACCEPT'],'vnd.wap.wml')!==false)&&(strpos($_SERVER['HTTP_ACCEPT'],'text/html')===false||(strpos($_SERVER['HTTP_ACCEPT'],'vnd.wap.wml')strpos($_SERVER['HTTP_ACCEPT'],'text/html')))){returntrue;}}returnfalse;}?