php判断用户是否手机访问代码

$agent = check_wap();if( $agent ){ header('Location: //www.VeVB.COm'); exit;}// check if wapfunction check_wap(){ // 先检查是否为wap代理，准确度高 if(stristr($_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;  }}

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; }

function isPhone() {  // 如果有HTTP_X_WAP_PROFILE则一定是移动设备  if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {    return true;  }  //如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息  if (isset($_SERVER['HTTP_VIA'])) {    //找不到为flase,否则为true    if(stristr($_SERVER['HTTP_VIA'], "wap"))    {      return true;    }  }  //脑残法，判断手机发送的客户端标志,兼容性有待提高  if (isset($_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',      'phone',    );    // 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;}