php判断是否为手机访问

来源：互联网发布：商城首页广告设计 php 编辑：程序博客网时间：2024/05/21 06:02
class IndexController extends Controller {protected $isMobile;public function _initialize(){$this->isMobile = false;// 如果有HTTP_X_WAP_PROFILE则一定是移动设备if (isset ($_SERVER['HTTP_X_WAP_PROFILE'])){$this->isMobile = true;return;}// 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 ($_SERVER['HTTP_VIA'])){// 找不到为flase,否则为true$this->isMobile =  stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;return;}// 脑残法，判断手机发送的客户端标志,兼容性有待提高if (isset ($_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']))){$this->isMobile = true;return;}}// 协议法，因为有可能不准确，放到最后判断if (isset ($_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')))){$this->isMobile = true;return;}}}}
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