Escape envira gallery output

envira-escape.php

// Essentially this, but need to escape the output, as images are taken from ACF pro fields
function rl_gallery() {
  envira_gallery( 'gallery', 'slug' );
}

// Escape and echo gallery
echo wp_kses( rl_gallery(), array(
	'div'		=>	array(
				'class'					=> array(),
				'class'					=> array(),
				'id'					=> array(),
				'data-envira-columns'	=> array()),
	'a'			=>	array(
				'class'					=> array(),
				'data-envira-caption'	=> array(),
				'data-thumbnail'		=> array(),
				'href'					=> array(),
				'id'					=> array(),
				'rel'					=> array(),
				'src'					=> array(),
				'style'					=> array(),
				'title'					=> array()),
	'img'		=>	array(
				'alt'					=> array(),
				'class'					=> array(),
				'class'					=> array(),
				'data-envira-gallery-id'=> array(),
				'data-envira-item-id'	=> array(),
				'data-envira-index'		=> array(),
				'data-envira-src'		=> array(),
				'id'					=> array(),
				'src'					=> array(),
				'style'					=> array(),
				'title'					=> array()),
	'noscript'	=>	array(
				'class'					=> array()),
),
	array	( 'http', 'https', 'ftp', 'javascript', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' )
);