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

Gets the file modification time.

Gets the file size (in bytes).

Sets the access and modification times of a file.

Creates a directory.

Deletes a directory.

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

Gets the file’s group.

Copies a file.

Moves a file.

Deletes a file or directory.

Checks if a file or directory exists.

Determines if the string provided contains binary characters.

Checks if resource is a file.

Changes the owner of a file or directory.

Checks if resource is a directory.