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判断移动端还是pc端
秋名山车神
Original
597 people have browsed it
/**
 * 移动端判断
 */
function isMobile()
{
 // 如果有HTTP_X_WAP_PROFILE则一定是移动设备
 if (isset ($_SERVER['HTTP_X_WAP_PROFILE']))
 {
 return true;
 }
 // 如果via信息含有wap则一定是移动设备
 if (isset ($_SERVER['HTTP_VIA']))
 {
 // 找不到为flase,否则为true
 return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
 }
 // 脑残法,判断手机发送的客户端标志,兼容性有待提高
 if (isset ($_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;
}


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