thumnail php function

I have a web commutity board, and what I want is to extract a thumnail from html codes. when a user writes a message ( an html content), The function should find out the first element among ( img , video, youtube , vimeo, daily motion ) in the message. The first child of body can be some other tags like '<p>' , '<h1>' and so on, I don't care of these tags. image types : 'gif', 'jpeg', 'jpg', 'png', 'svg', 'blob' video types : 'mp4', 'webm', 'ogg' I need a function @param : html code ( as a string) @return an array of which length is 3. 0. type, string ( one of image, video, youtube, vidoe, dailymotion) 1. full url, string, 2. id string, ( for url ( [login to view URL]) => a_hnClZp4hs]) - return example Array ( [0] => youtube [1] => [login to view URL] [2] => a_hnClZp4hs ) Array ( [0] => youtube [1] =>[login to view URL] [1] => a_hnClZp4hs ) Array ( [0] => youtube [1] => [login to view URL] [2] => 1KYiEb7S0IY ) Array ( [0] => vimeo [1] => [login to view URL] [2] => 726079414 ) Array ( [0] => dailymotion [1] => [login to view URL] [2] => x8f141h ) Array ( [0] => image [1] =>/data/editor/2210/[login to view URL] [2] =>[login to view URL] ) Array ( [0] => video [1] =>data/editor/2210/[login to view URL] [2] =>[login to view URL] ) contents sample file is attached.