"; } public static function render_image_picker( $id, $thumbnail_id = null ) { $image_url = false; if ( $thumbnail_id ) { $image_url = wp_get_attachment_thumb_url( $thumbnail_id ); } $render_image = self::render_image( $image_url, 60 ); $value = esc_attr( $thumbnail_id ); return "

{$render_image}

"; } }