public function generate_settings_html( $form_fields = array(), $echo = true ) {
		if ( empty( $form_fields ) ) {
			$form_fields = $this->get_form_fields();
		}

		$html = '';
		foreach ( $form_fields as $k => $v ) {
			$type = $this->get_field_type( $v );

			if ( method_exists( $this, 'generate_' . $type . '_html' ) ) {
				$html .= $this->{'generate_' . $type . '_html'}( $k, $v );
			} else {
				$html .= $this->generate_text_html( $k, $v );
			}
		}

		if ( $echo ) {
			echo $html; // WPCS: XSS ok.
		} else {
			return $html;
		}
	}