How to delete files in PHP | File Management Tutorial in PHP

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Here in this video, we are going to learn about How to delete files in PHP. In our previous videos, we have learnt about
How to create and open files?
How to read files in PHP?
How to write files in PHP?

To delete a file by using PHP is very easy. Deleting a file in PHP means completely erasing a file from a directory or system so that the file is no longer exist and we cannot use that file. PHP has an unlink() function that allows to delete a file. The PHP unlink() function takes two parameters $filename and $context

If file doesn't exist, then system will show some error on screen.
So, before deleting we need to validate the presence of files in directory or system.