php中HTTP_USER_AGENT判断手机类型的函数

有关判断手机类型的方法，脚本学堂之前的文章有所提及。
相关参考文章：
判断是否手机访问
php判断是否手机访问的代码

<?php
/**
* 判断手机类型
* by www.jbxue.com
*/
function is_mobile_request()  
{  
      $_SERVER['ALL_HTTP'] = isset($_SERVER['ALL_HTTP']) ? $_SERVER['ALL_HTTP'] : '';  
      $mobile_browser = '0';  
      if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap
|phone|iphone|ipad|ipod|android|xoom)/i',
 strtolower($_SERVER['HTTP_USER_AGENT'])))  
        $mobile_browser++;  
      if((isset($_SERVER['HTTP_ACCEPT'])) and (strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') !== false))  
        $mobile_browser++;  
      if(isset($_SERVER['HTTP_X_WAP_PROFILE']))  
        $mobile_browser++;  
      if(isset($_SERVER['HTTP_PROFILE']))  
        $mobile_browser++;  
      $mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,4));  
      $mobile_agents = array(  
            'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac',  
            'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',  
            'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-',  
            'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',  
            'newt','noki','oper','palm','pana','pant','phil','play','port','prox',  
            'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',  
            'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-',  
            'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',  
            'wapr','webc','winw','winw','xda','xda-'  
            );  
      if(in_array($mobile_ua, $mobile_agents))  
        $mobile_browser++;  
      if(strpos(strtolower($_SERVER['ALL_HTTP']), 'operamini') !== false)  
        $mobile_browser++;  
      // Pre-final check to reset everything if the user is on Windows  
      if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') !== false)  
        $mobile_browser=0;  
      // But WP7 is also Windows, with a slightly different characteristic  
      if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') !== false)  
        $mobile_browser++;  
      if($mobile_browser>0)  
        return true;  
      else 
        return false;  
}
?>

<?php
//能过http_user_agent检测是否手机访问
$ua = strtolower($_SERVER['HTTP_USER_AGENT']);

$uachar = "/(nokia|sony|ericsson|mot|samsung|sgh|lg|
philips|panasonic|alcatel|lenovo|cldc|midp|mobile|wap)/i";

if(($ua == '' || preg_match($uachar, $ua))&& !strpos(strtolower($_SERVER['REQUEST_URI']),'wap'))
{
    $Loaction = 'wap/';

    if (!empty($Loaction))
    {
        ecs_header("Location: $Loaction\n");

        exit;
    }
}
?>

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