php网站判断用户是否是手机访问的方法

前端技术 2023/09/05 PHP

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：

$agent = check_wap();
if( $agent )
{
  header(\'Location: http://www.phpstudy.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：（经过测试，很全面，推荐使用）

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;

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