What should I do if the php file cannot be opened after being downloaded?

The solution to the problem that the php file cannot be opened after downloading: first open the file to download the code; then add the "ob_clean();flush();" statement to the file.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

What should I do if the php file cannot be opened after downloading? ?

Solution to the problem of file opening showing damage after downloading pictures with PHP

Use PHP to write a picture downloading method. The test found that the size of the downloaded pictures is fine, but the file cannot be opened.

The solution is as follows:

Add these 2 sentences

ob_clean();  
flush();

.

Complete download image code:

PHP

if(isset($_GET['action'])&&$_GET['action'] == 'download')
{
if($_GET['file'])
{
$fileinfo = pathinfo($_GET['file']);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename=favicon.ico');
ob_clean();  
    flush();  
readfile($_GET['file']);
exit();
}
}

Recommended learning: "PHP Video Tutorial"

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