wp_embed_register_handler()

wp_embed_register_handler() — Registers an embed handler. Should probably only be used for sites that do not support oEmbed.

Inputs: $id (string): An internal ID/name for the handler. Needs to be unique. $regex (string): The regex that will be used to see if this handler should be used for a URL. $callback (callable): The callback function that will be called if the regex is matched. $priority (int): Optional. Used to specify the order in which the registered handlers will be tested. Default 10.