Function get_media_folder_meta

Retrieve folder meta field for a folder.

Returns: mixed Will be an array if $single is false. Will be value of meta data field if $single is true.
Located at meta.php

Parameters summary

`integer`	`$folder_id`	Folder ID.
`string`	`$key = ''`	The meta key to retrieve. By default, returns data for all keys.
`boolean`	`$single = false`	Whether to return a single value. Default false.