PHP 实现判断用户是否手机访问

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我是靠谱客的博主义气水杯，最近开发中收集的这篇文章主要介绍PHP 实现判断用户是否手机访问，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

随着移动设备的普及，网站也会迎来越来越多移动设备的访问。用适应PC的页面，很多时候对手机用户不友好，那么有些时候，我们需要判断用户是否用手机访问，如果是手机的话，就跳转到指定的手机友好页面。这里就介绍一下，如何判断用户是否用手机访问。

自定义的函数如下：

复制代码代码如下:

$agent = check_wap();

if( $agent )

{

  header('Location: http://www.nowamagic.net');

  exit;

}

// check if wap

function check_wap(){

  // 先检查是否为wap代理，准确度高

  if(stristr($_SERVER['HTTP_VIA'],"wap")){

      return true;

  }

  // 检查浏览器是否接受 WML.

  elseif(strpos(strtoupper($_SERVER['HTTP_ACCEPT']),"VND.WAP.WML") > 0){

      return true;

 }

 //检查USER_AGENT

 elseif(preg_match('/(blackberry|configuration\/cldc|hp |hp-|htc |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker\/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda_)/i', $_SERVER['HTTP_USER_AGENT'])){

      return true;           

  }

  else{

      return false;  

 }

}

再来一个从PHP框架剥离的判断是否为手机移动终端的函数：

复制代码代码如下:

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;  

}