Files: wp-admin/includes/class-wp-filesystem-direct.php

Gets details for files in a directory or a specific file.

Deletes a directory.

Creates a directory.

Sets the access and modification times of a file.

Gets the file size (in bytes).

Gets the file’s last access time.

Gets the file modification time.

Checks if a file or directory is writable.

Checks if a file is readable.

Checks if resource is a directory.

Checks if resource is a file.

Checks if a file or directory exists.