recurse_dirsize()

recurse_dirsize() — Gets the size of a directory recursively. Used by get_dirsize() to get a directory size when it contains other directories.

Inputs: $directory (string): Full path of a directory. $exclude (string|string[]): Optional. Full path of a subdirectory to exclude from the total, or array of paths. Expected without trailing slash(es). Default null. $max_execution_time (int): Optional. Maximum time to run before giving up. In seconds. The timeout is global and is measured from the moment WordPress started to load. Defaults to the value of max_execution_time PHP setting. $directory_cache (array): Optional. Array of cached directory paths. Defaults to the value of dirsize_cache transient.

Returns int|false|null: Size in bytes if a valid directory. False if not. Null if timeout.