我使用以下PHP在我的网站的移动和桌面版本之间切换
$mobile_browser = '0';
if (preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android)/i', strtolower($_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)) {
$mobile_browser++;
}
if (strpos(strtolower($_SERVER['ALL_HTTP']),'OperaMini') > 0) {
$mobile_browser++;
}
if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']),'windows') > 0) {
$mobile_browser = 0;
}
if ($mobile_browser > 0) {
// do something
}
else {
// do something else
}
应该是if(strpos(strtolower($ _ SERVER ['HTTP_USER_AGENT']),'OperaMini')> 0)
或者应该是if(strpos(strtolower($ _ SERVER ['ALL_HTTP']),'OperaMini')> 0)
我使用ALL_HTTP得到调试错误,但是当我使用HTTP_USER_AGENT时错误就消失了
这是调试错误,如下所示:调试注意:未定义的索引:第29行的header.php中的ALL_HTTP
2 回答
ALL_HTTP是IIS(Microsoft Server)变量 . 见:http://msdn.microsoft.com/en-ca/library/ms524602(v=vs.90).aspx . ALL_HTTP用于ASP(Active Server Pages),您正在使用PHP(PHP:Hypertext Preprocessor)
$ _SERVER ['HTTP_USER_AGENT']将根据您的问题返回用户代理,这听起来像你想要的,所以使用:if(strpos(strtolower($ _ SERVER ['HTTP_USER_AGENT']),'OperaMini')> 0)
我认为你的代码可能会更好Detect Mobile Browsers