get_value(); // Convert value to JSON string. if ( is_array( $value ) ) { $value = json_encode( $value ); } // Prepare markup. $html = sprintf( '', esc_attr( $this->settings->get_input_name_prefix() ), esc_attr( $this->name ), esc_attr( $value ), implode( ' ', $this->get_attributes() ) ); return $html; } } Fields::register( 'hidden', '\Gravity_Forms\Gravity_Forms\Settings\Fields\Hidden' );