how to unlink a file in a foreach loop with post - php

Question

For a file management I use a foreach loop in which all the files are displayed. Now I want foreach to delete files with $_POST.
When I echo pathinfo($dir.'/'.$file, PATHINFO_DIRNAME).'/'.$file; in the foreach near each file, it shows me the exact location of the files.
Now for each file I want do something like this in the foreach loop:
if(isset($_POST['delete'])) {
unlink($_POST['unlink']);
}
<form method="post">
<input type="hidden" name="unlink" value="<?php pathinfo($dir.'/'.$file, PATHINFO_DIRNAME).'/'.$file; ?>" />
<input type="submit" name="delete" value="Delete">
</form>
I know this is not correct but i hope you understand that what i want to achieve is clear.
How can I do this?

Answer 1

DISCLAIMER
The method outlined below is 100% insecure and if the code makes it into the public realm then you can kiss your server goodbye.
For deleting one file you can do this:
index.php
<form method="POST" action="delete.php">
<input type="hidden" name="delete_path" value="/path/to/your/file.pdf">
File.pdf <button type="submit">Delete</button>
</form>
delete.php
<?php
$delete_result = false;
$unlink_error = '';
if(isset($_POST['delete_path']) && is_file($_POST['delete_path']))
{
$delete_result = unlink($_POST['delete_path']);
$unlink_error = error_get_last();
}
if($delete_result)
{
echo 'Successfully deleted '.$_POST['delete_path'];
}
else
{
echo 'Uh oh, Spaghettios :(<br><br>';
echo 'Last known error<br>'.$unlink_error;
}

Answer 2

I am use path unlink(FILE)
echo $new_file_dert = FILE . '/'.$template_name;
<form method="post">
<input type="hidden" name="unlink" value="<?php echo $new_file_dert; ?>" />
<input name="delete" type="submit" class="btn-delete submitdelete" value="Delete">
</form>
<?php
echo $new_file_dert = FILE . '/'.$template_name;
if( isset( $_POST['delete'] ) ) {
unlink($_POST['unlink']);
}