5738*5739* @since 4.2.05740*5741* @param int|null$post_id The post_id(if any) found by the function.5742* @param string$url The URL being looked up.5743*/5744return(int)apply_filters('attachment_url_to_postid',$post_id,$url);5745}57465747/**5748* Returns the URLs forCSS files used in an iframe-sandbox'd TinyMCE media view.5749*5750* @since 4.0.0
History
Introduced in 4.2.0. Unchanged from 6.7.7 through 7.1.0.