PHP implementation browser file download picture or PHP file

Hyperlink download

If the browser supports hyperlinks to download the file, it will automatically download the file when you click the hyperlink.

Here's a test to download the file via the hyperlink:

<a href= "/uploads/test.zip" > Download files via hyperlinks </a><br>

When we click on it, it looks like this:

Hyperlink download File

To download a picture from a hyperlink:
When we download a picture through a hyperlink, it opens the display directly in the browser, and then we need to save it to the specified path:

<a href= "/uploads/qc8054r7qpgq_1000x500.jpg" > Download pictures via Hyperlinks </a><br>

The effect is this:

Hyperlink Download Picture

Download by program

HTML-side line of code

<a href= "download.php?filename=qc8054r7qpgq_1000x500.jpg" > Download picture </a> by program Way

download.php Code

We send the file download information through header request headers, specify to download the attachment, download the filename, content-length to specify the size of the file, and then use the ReadFile function to read the contents of the file and implement the file download:

<?php

$filename = $_get[' filename '];
Header (' Content-disposition:attachment;filename= '. basename ($filename));
Header (' Content-length: ' FileSize ($filename));

ReadFile ($filename);

The effect is as follows: