PHP限制网速的代码

PHP限制网速的代码 济宁网站建设:www.jnhuiteng.com PHP限制网速的代码 各位做运维和开发的童鞋，会经常遇到一个问题，那就是有人在办公室下载东西，网速自然 而然地被拉下来了，影响大家上网、办公。同样的问题，要是出现在了服务器上面，事情发 展的会更糟……今天济宁网站建设给大家推荐几行关于PHP限制网速的代码，希望给大家一 些帮助。 [代码] [PHP]代码 // local file that should be send to the client $local_file = 'test-file.zip'; // filename that the user gets as default $download_file = 'your-download-name.zip'; // set the download rate limit (=> 20,5 kb/s) $download_rate = 20.5; if(file_exists($local_file) && is_file($local_file)) { // send headers header('Cache-control: private'); header('Content-Type: application/octet-stream'); header('Content-Length: '.filesize($local_file)); header('Content-Disposition: filename='.$download_file); // flush content flush(); // open file stream $file = fopen($local_file, "r"); while (!feof($file)) { 济宁辉腾电子商务:www.jnhuiteng.com/dzsw/ 济宁网站建设:www.jnhuiteng.com // send the current file part to the browser print fread($file, round($download_rate * 1024)); // flush the content to the browser flush(); // sleep one second sleep(1); } // close file stream fclose($file); } else { die('Error: The file '.$local_file.' does not exist!'); }(详细请咨询济宁网站建设--济宁辉腾电子商务) 济宁辉腾电子商务:www.jnhuiteng.com/dzsw/