oEmbed Transparency

Written by Bill EricksonPublished on April 11, 2012Updated on December 5, 2018

	<?php

	/**
	* oEmbed Transparency
	*
	* Used so that menus can appear on top of videos
	*
	* @author Bill Erickson
	* @link http://www.billerickson.net/code/oembed-transparency
	*
	* @param string $html
	* @param string $url
	* @param array $attr, shortcode attributes
	* @param int $post_id
	* @return string The embed HTML on success, otherwise the original URL.
	*/
	function be_oembed_transparency( $html, $url, $attr, $post_id ) {

	if ( strpos( $html, "<embed src=" ) !== false )
	return str_replace('</param><embed', '</param><param name="wmode" value="opaque"></param><embed wmode="opaque" ', $html);
	elseif ( strpos ( $html, 'feature=oembed' ) !== false )
	return str_replace( 'feature=oembed', 'feature=oembed&wmode=opaque', $html );
	else
	return $html;
	}
	add_filter( 'embed_oembed_html', 'be_oembed_transparency', 10, 4 );