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利用php怎么强制用户转向www域名?很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
成都创新互联-成都网站建设公司,专注成都网站设计、成都网站建设、网站营销推广,国际域名空间,网络空间,网站托管维护有关企业网站制作方案、改版、费用等问题,请联系成都创新互联。// Install info.: // Copy and paste these lines into your default index.php or // the file that get's called if a visitor comes on your // website... // read the host from the server environment $host = $_SERVER["HTTP_HOST"]; // fix host name - we never now... ;-) $host = strtolower($host); $host = trim($host); // This is important: // Webbrowsers like Firefox are doing their request without // the port number like "www.jb51.net" but some other // applications send host names like "www.jb51.net:80" $host = str_replace(':80', '', $host); $host = trim($host); // if the host is not starting with www. redirect the // user to the same URL but with www :-) if ($host != 'www.jb51.net'){ // You an also change the "!=" to "==", if you want to force // the user to use the domain name without the www. // send status header, so that search engines or other services // detect that this is a permanent redirect and not a temporary header('HTTP/1.1 301 Moved Permanently'); // read the URL the user requested: $url = isset($_SERVER["REQUEST_URI"]) ? $_SERVER["REQUEST_URI"] : ''; // redirect the user to the new destination: header('Location: https://www.jb51.net' . $url); // Convert "special" chars -- cause we never now... ;-) $url = htmlspecialchars($url); // "fallback" link, if the browser is not supporting header redirects print 'Please click here'; // stop the script execution here exit; } // If the domain is www.jb51.net then go on with your PHP code // of with your website... // BTW: You need to replace jb51.net trough your own domain :-D
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