wp_delete_attachment_files()
Function: Deletes all files that belong to the given attachment.
Source: wp-includes/post.php:5126
Function: Deletes all files that belong to the given attachment.
Source: wp-includes/post.php:5126
Function: Deletes a file if its path is within the given directory.
Source: wp-includes/functions.php:5656
Function: Normalize a filesystem path.
Source: wp-includes/functions.php:1786