codysmith44

add_action( 'wp_head', function() {
    if( is_single() && has_post_thumbnail() ) {

        // Get our images URLs

        $feat_img_url_medium = get_the_post_thumbnail_url(get_the_ID(),'medium');
        $feat_img_url_medium_large = get_the_post_thumbnail_url(get_the_ID(),'medium_large');
        $feat_img_url_large = get_the_post_thumbnail_url(get_the_ID(),'large');
        $feat_img_url_full = get_the_post_thumbnail_url(get_the_ID(),'full');