* @param   MC4WP_Form     $form        The form instance of the submitted form.
				 */
				do_action( 'mc4wp_form_error_' . $error, $form );
			}
		}

		/**
		 * Fires right before responding to the form request.
		 *
		 * @since 3.0
		 *
		 * @param MC4WP_Form $form Instance of the submitted form.
		 */
		do_action( 'mc4wp_form_respond', $form );

		// do stuff on success (if form was submitted over plain HTTP, not for AJAX or REST requests)
		if ( $success && ! $this->request_wants_json() ) {
			$redirect_url = $form->get_redirect_url();
			if ( ! empty( $redirect_url ) ) {
				wp_redirect( $redirect_url );
				exit;
			}
		}
	}

	private function request_wants_json() {
		if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) {
			return true;
		}

		return false;
	}

	/**
	 * @return MC4WP_API_V3
	 */
	protected function get_api() {
		return mc4wp( 'api' );
	}

	/**
	 * @return MC4WP_Debug_Log
	 */
	protected function get_log() {
		return mc4wp( 'log' );
	}
}