Profile::sub_page_template()

	public function sub_page_template() {
		$current      = get_query_var( 'user_page', ap_opt( 'user_page_slug_questions' ) );
		$current_page = ap_search_array( anspress()->user_pages, 'rewrite', $current );

		if ( ! empty( $current_page ) ) {
			$current_page = $current_page[0];

			// Callback.
			if ( isset( $current_page['cb'] ) && is_array( $current_page['cb'] ) && method_exists( $current_page['cb'][0], $current_page['cb'][1] ) ) {
				call_user_func( $current_page['cb'] );
			} elseif ( function_exists( $current_page['cb'] ) ) {
				call_user_func( $current_page['cb'] );
			} else {
				esc_attr_e( 'Callback function not found for rendering this page', 'anspress-question-answer' );
			}
		}
	}