Scan images from Elementor Galleries and counts them for the sitemap XML

add_filter(

	'aioseo_sitemap_images',

	/**

	 * Find new images inside the post content which has Elementor galleries.

	 * It only works for self-hosted attachments.

	 *

	 * @param  array  $images The images already found.

	 * @param  object $post   The post object

	 * @return array          All images merged with found images.

	 */

	function ( $images, $post ) {

		if (

			! is_array( $images ) ||

			! is_object( $post ) ||

			empty( $post->ID ) ||

			empty( $post->post_content )

		) {

			return $images;

		}

		// Bail if this post is not being edited under Elementor.

		if ( 'builder' !== get_post_meta( $post->ID, '_elementor_edit_mode', true ) ) {

			return $images;

		}

		preg_match_all( '/<a.+?href="(http[^"]+)"\s.+?lightbox.*?>/i', $post->post_content, $matches );

		if ( empty( $matches[1] ) ) {

			return $images;

		}

		foreach ( $matches[1] as $url ) {

			$url = wp_get_attachment_url( attachment_url_to_postid( $url ) );

			if ( $url ) {

				$images[] = $url;

			}

		}

		return array_unique( $images );

	},

	10,

	2

);