<? $downloadfile=$_GET['downloadfile']; if(isset($downloadfile)) { if(isset($_SERVER['HTTP_USER_AGENT']) and strpos($_SERVER['HTTP_USER_AGENT'],'MSIE')) Header('Content-Type: application/force-download'); else Header('Content-Type: application/octet-stream'); Header('Accept-Ranges: bytes'); //Header('Content-Length: '.filesize($downloadfile)); Header('Content-disposition: attachment; filename="'.$downloadfile.'"'); $downloadfile = getcwd()."\\$downloadfile"; echo file_get_contents("$downloadfile"); exit(); } ?>
function downloadFile($filename, $mimetype='application/octet-stream') { $from=$to=0; $cr=NULL; if(isset($_SERVER['HTTP_RANGE'])) { $range=substr($_SERVER['HTTP_RANGE'],strpos($_SERVER['HTTP_RANGE'],'=')+1); $from=strtok($range,'-'); $to=strtok('/'); if($to>0) $to++; if($to) $to-=$from; header('HTTP/1.1 206 Partial Content'); $cr='Content-Range: bytes'.$from.'-'.(($to)?($to.'/'.$to+1):filesize($filename)); } else header('HTTP/1.1 200 Ok'); $etag=md5($filename); $etag=substr($etag, 0, 8).'-'.substr($etag, 8, 7).'-'.substr($etag, 15, 8); header('ETag: "'.$etag.'"'); header('Accept-Ranges: bytes'); header('Content-Length: '.(filesize($filename)-$to+$from)); if($cr) header($cr); header('Connection: close'); header('Content-Type: '.$mimetype); header('Last-Modified: '.gmdate('r',filemtime($filename))); $f=fopen($filename, 'r'); header('Content-Disposition: attachment; filename="' . basename($filename) . '";'); if($from)fseek($f,$from,SEEK_SET); if(!isset($to) or empty($to)) { $size=filesize($filename)-$from; } else { $size=$to; } $downloaded=0; while(!feof($f) and !connection_status() and ($downloaded<$size)) { echo fread($f,512000); $downloaded+=512000; flush(); } fclose($f); }
