| .*v= # or /watch\\?v=
) # End path alternatives.
) # End host alternatives.
([\\w-]{10,12}) # Allow 10-12 for 11 char youtube id.
($|&).* # if additional parameters are also in query string after video id.
$%x';
$result = preg_match($pattern, $url, $matches);
// No ID match? Bad URL.
if ($result === false) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "The URL you entered is not a valid YouTube URL.");
$field["ignore"] = true;
// Got our YouTube ID
} else {
$video_id = $matches[1];
$youtube = new BigTreeYouTubeAPI();
$video = $youtube->getVideo($video_id);
// Invalid YouTube video :(
if (!$video) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "The YouTube URL provided is invalid.");
$field["ignore"] = true;
} else {
// Try for max resolution first, then high, then default
$source_image = $video->Images->Maxres ? $video->Images->Maxres : $video->Images->High;
$source_image = $source_image ? $source_image : $video->Images->Default;
$field["output"] = array("service" => "youtube", "id" => $video_id, "height" => false, "width" => false, "duration" => $video->Duration->Hours * 3600 + $video->Duration->Minutes * 60 + $video->Duration->Seconds, "embed" => $video->Embed);
}
}
// Vimeo
} elseif (strpos($url, "vimeo.com") !== false) {
$url_pieces = explode("/", $url);
$video_id = end($url_pieces);
