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php判断是否是通过手机访问

//下面是 drupal 的 mobile_theme 模块 进行判断的,可能需要在红色部分进行改动
function mobile_theme_detect_php() {
  $mobile_browser = 0;
  if (preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
    $mobile_browser++;
  }
  if ((strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') > 0) or ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_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)) {
    $mobile_browser++;
  }
  if (isset($_SERVER['ALL_HTTP']) && strpos(strtolower($_SERVER['ALL_HTTP']), 'OperaMini') > 0) {
    $mobile_browser++;
  }
  if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') > 0) {
    $mobile_browser = 0;
  }
  return $mobile_browser > 0;
}

//下面是我做的 区别就是红色部分
function _my_mobile_theme_detect_php() {
    $mobile_browser = 0;
    if (preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android|blackberry|googlebot-mobile|iemobile|iphone|ipod|opera mobile|palmos|webos)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
        $mobile_browser++;
    }
    if ((strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') > 0) or ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_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)) {
        $mobile_browser++;
    }
    if (isset($_SERVER['ALL_HTTP']) && strpos(strtolower($_SERVER['ALL_HTTP']), 'OperaMini') > 0) {
        $mobile_browser++;
    }
    if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') > 0) {
        $mobile_browser = 0;
    }
    return $mobile_browser > 0;
}
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