A method of implementing HTTP breakpoint continuation in PHP

This article illustrates the method of PHP implementing HTTP breakpoint Continuation. Share to everyone for your reference. The implementation methods are as follows:

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; > <?php/** * php-http Breakpoint Continuation * @param string $path: File is in the path * @param string $file: file name * @return void */function Downlo AD ($path, $file) {$real = $path. ' /'. $file; if (!file_exists ($real)) {return false;} $size = FileSize ($real); $size 2 = $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. '-'. $size 2. ' /'. $size); else {header (' content-length: '. $size); header (' Content-range:bytes 0-'. $size 2. ' /'. $size); Header (' accenpt-ranges:bytes '); Header (' Application/octet-stream '); Header ("Cache-control:public"); Header ("Pragma:Public "); Solve the Chinese garbled problem when downloading in IE $ua = $_server[' http_user_agent ']; if (Preg_match ('/msie/', $ua)) {$ie _filename = str_replace (' + ', '%20 ', 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); }

I hope this article will help you with your PHP programming.