使用PHP删除数组中的特定文件名

Question

I have a list of PDFs and I would like to delete them. Can someone please explain to a beginner how this is done? At this point, I can do this in Excel a number of different ways but how can I simply do this in PHP?

Answer 1

Most simple solution:

<?php

    $dir = '/files_directory/';
    $files_to_delete = array('file1.pdf', 'file3.pdf', 'file4.pdf');

    foreach($files_to_delete as $file)
    {
        $file_path = $dir . $file;
        if(is_file($file_path))
        {
            unlink($file_path);
        }
    }

Answer 2

Use PHP to search for the folder, do a loop through the files there and add some conditional statements to the loop. If they are true or false, act on those results.

As you have not typed any code for us, I am not going to type any code back to you.

Answer 3

The most simple way I could think of doing it:

array_map('unlink', $array_with_files_to_delete);

$array_with_files_to_keep = array_diff($list_with_pdfs, $array_with_files_to_delete);