Youtube Video gallery acf oEmbed field

ytacfoembed.php

<?php
function get_youtube_video_ID($youtube_video_url) {
	/**
	* Pattern matches
	* http://youtu.be/ID
	* http://www.youtube.com/embed/ID
	* http://www.youtube.com/watch?v=ID
	* http://www.youtube.com/?v=ID
	* http://www.youtube.com/v/ID
	* http://www.youtube.com/e/ID
	* http://www.youtube.com/user/username#p/u/11/ID
	* http://www.youtube.com/leogopal#p/c/playlistID/0/ID
	* http://www.youtube.com/watch?feature=player_embedded&v=ID
	* http://www.youtube.com/?feature=player_embedded&v=ID
	*/
	if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $youtube_video_url, $match)){

return $match[1];
}

// if no match return false.
return false;
} 
if ( have_rows( 'videos' ) ):?>
<div id="videos" class="empVideos">
<h3 class="sec-title">
Galeria de vídeos
</h3>

<div class="videos">
<?php $count = 1;
while ( have_rows( 'videos' ) ) : the_row();

	$iframe = get_sub_field( 'video' );
	// use preg_match to find iframe src
	preg_match( '/src="(.+?)"/', $iframe, $matches );
	$src = $matches[1];

	$yt = get_youtube_video_ID( $src );
	if ( $yt ):
	if ( $count % 3 == 1 ) {
	echo "<div class=\"col-md-12 mx-auto \"><div class=\"d-flex flex-row justify-content-center align-items-center\">";
	}
	?>

		<a class="fancybox mx-auto p-2" href="<?= $src; ?>">
		<img src="http://img.youtube.com/vi/<?= $yt; ?>/hqdefault.jpg" width="250" img-fluid">
			<span class="play">
			<i class="fa fa-play-circle"></i>
			</span>
		</a>

	<?php
	if ( $count % 3 == 0 ) {
	echo "</div>";
	echo "</div>";
	}
	$count ++;
	endif;

endwhile;
if ( $count % 3 != 1 ) {
echo "</div>";
echo "</div>";
} ?>
</div>
</div>
<?php endif; ?>