How to delete itself in php

The implementation method of php deleting itself: first create a PHP sample file; then introduce its own file; finally delete its own file through the "@unlink ($file);" method.

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

Many friends need to make this file only when using php can be accessed once, (such as cms program installation, database query or modification), then how to let php delete itself? We can use the following code to complete:

$file = "zzz.php";  
if (file_exists($file)) {  
     @unlink ($file);  
}

Specify $file as zzz.php, Then when the program runs here, the file zzz.php will be deleted. Of course, you can also specify $file as the php code itself.

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