How to implement HTTP breakpoint resumption in PHP_PHP tutorial

How to implement HTTP breakpoint resume transfer in PHP

This article describes the example of how PHP implements HTTP breakpoint resume transfer. Share it with everyone for your reference. The specific implementation method is as follows:

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/** * PHP-HTTP断点续传实现 * @param string $path: 文件所在路径 * @param string $file: 文件名 * @return void */ function download($path,$file) { $real = $path.'/'.$file; if(!file_exists($real)) { return false; } $size = filesize($real); $size2 = $size-1; $range = 0; if(isset($_SERVER['HTTP_RANGE'])) { header('HTTP /1.1 206 Partial Content'); $range = str_replace('=','-',$_SERVER['HTTP_RANGE']); $range = explode('-',$range); $range = trim($range[1]); header('Content-Length:'.$size); header('Content-Range: bytes '.$range.'-'.$size2.'/'.$size); } else { header('Content-Length:'.$size); header('Content-Range: bytes 0-'.$size2.'/'.$size); } header('Accenpt-Ranges: bytes'); header('application/octet-stream'); header("Cache-control: public"); header("Pragma: public"); //解决在IE中下载时中文乱码问题 $ua = $_SERVER['HTTP_USER_AGENT']; if(preg_match('/MSIE/',$ua)) { $ie_filename = str_replace(' ',' ',urlencode($file)); header('Content-Dispositon:attachment; filename='.$ie_filename); } else { header('Content-Dispositon:attachment; filename='.$file); } $fp = fopen($real,'rb '); fseek($fp,$range); while(!feof($fp)) { set_time_limit(0); print(fread($fp,1024)); flush(); ob_flush(); } fclose($fp); }

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I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/1018382.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1018382.htmlTechArticleHow PHP implements HTTP breakpoint resumable transmission. This article describes how PHP implements HTTP breakpoint resumable transmission. Share it with everyone for your reference. The specific implementation method is as follows: ? 1 2 3 4 5 6 7 8 9 10 11...