// 判断是手机登陆还是PC登陆

function ismobile() {

// 如果有HTTP_X_WAP_PROFILE则一定是移动设备

if (isset ($_SERVER['HTTP_X_WAP_PROFILE']))

return true;

//此条摘自TPM智能切换模板引擎，适合TPM开发

if(isset ($_SERVER['HTTP_CLIENT']) &&'PhoneClient'==$_SERVER['HTTP_CLIENT'])

return true;

//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

return stristr($_SERVER['HTTP_VIA'], 'wap') ? true : false;

//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']))

) {return true;}

}

//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')

)

)

) {

return true;

}

}

return false;

}