Deleting Files in PHP

To delete files, the function unlink is used. It takes the path to the file to be deleted as a parameter:

php<?php
  unlink('test.txt');
?>
Задание 1

Let the files 1.txt, 2.txt, and 3.txt be located in the root of your site. Manually create an array with the names of these files. Loop through it and delete all these files.