public function set_footers() {

		if ( ! empty( $this->child ) ) {
			foreach ( $this->child as $child_slug => $child ) {
				if ( in_array( $child->type, array( 'footer' ) ) ) {
					$this->footer                    = $child;
					$this->attributes['data-footer'] = '#' . $this->id() . '-footer-tmpl';
				}
			}
		}
	}