How to implement forced download file function in php

This article mainly introduces the PHP forced download file function in detail, which has certain reference value. Interested friends can refer to it

The specific content is as follows

public function down() { $id = $this->_get('id'); $M = M("downloads"); $data=$M->where("id=$id and status=1")->find(); !$data && exit; $filename = iconv('UTF-8','GBK',$data['filename']); $savename = $data['savename']; $myfile = $data[url] ? $data[url] : 'Uploads/file/'.$savename; if(file_exists($myfile)){ 　　$M->where("id=$id")->setInc('downloads'); 　　$file = @ fopen($myfile, "r"); 　　header("Content-type: application/octet-stream"); 　　header("Content-Disposition: attachment; filename=" .$filename ); 　　while (!feof($file)) { echo fread($file, 50000); 　　} 　　fclose($file); 　　exit; }else{ 　　echo '文件不存在！'; } }

Summary : The above is the entire content of this article, I hope it will be helpful to everyone's study.

Related recommendations:

phpDetailed graphic and text explanation of session invalid analysis data

phpDetailed explanation of session invalid analysis data collection

PHP search query function implementation

The above is the detailed content of How to implement forced download file function in php. For more information, please follow other related articles on the PHP Chinese website!