Simple example of PHP breakpoint resume download

This article introduces a simple example of how to implement breakpoint resume download in PHP. Friends in need can refer to it.

Share a PHP breakpoint resume upload code for your reference.

The code is as follows:

<?php
/**
* php断点续传
* edit by bbs.it-home.org
*/
$fname = './MMLDZG.mp3';  
$fp = fopen($fname,'rb');  
$fsize = filesize($fname);  
if (Isset($_SERVER['HTTP_RANGE']) && ($_SERVER['HTTP_RANGE'] != "") && preg_match("/^bytes=([0-9]+)-$/i",
 $_SERVER['HTTP_RANGE'], $match) && ($match[1] < $fsize)) {
    $start = $match[1]; 
} else {
    $start = 0; 
} 
@header("Cache-control: public"); @header("Pragma: public"); 
if ($star--> 0) {  
    fseek($fp, $start);  
    Header("HTTP/1.1 206 Partial Content");  
    Header("Content-Length: " . ($fsize - $start));  
    Header("Content-Ranges: bytes" . $start . "-" . ($fsize - 1) . "/" . $fsize);  
} else {  
    header("Content-Length: $fsize");  
    Header("Accept-Ranges: bytes");  
}  
@header("Content-Type: application/octet-stream");  
@header("Content-Disposition: attachment;filename=mmdld.mp3");  
fpassthru($fp);  
?>

Code description: The fpassthru() function outputs any remaining data at the file pointer. This function reads the given file pointer from the current position to EOF and writes the result to the output buffer.

Here are two articles on resuming remote file transfer. Friends in need can provide a reference: php super large file download, breakpoint resume download php downloads remote files and supports breakpoint resume download