WooCommerce Cart Notices: Translate Messages using WPML

wc-cart-notices-translate-messages-with-wpml.php

<?php // only copy this line if needed

/**
 * Register Cart Notices texts for translation with WPML when the messages are first created/updated
 */
add_filter( 'wc_cart_notices_update_fields', function( $fields ) {

	if ( isset( $fields['name'] ) ) {
		$slug = sanitize_title( $fields['name'] );

		if ( isset( $fields['message'] ) ) {
			do_action( 'wpml_register_single_string', 'wc_cart_notices_fields', "message[{$slug}]", $fields['message'] );
		}

		if ( isset( $fields['action'] ) ) {
			do_action( 'wpml_register_single_string', 'wc_cart_notices_fields', "call_to_action[{$slug}]", $fields['action'] );
		}

		if ( isset( $fields['action_url'] ) ) {
			do_action( 'wpml_register_single_string', 'wc_cart_notices_fields', "call_to_action_url[{$slug}]", $fields['action_url'] );
		}
	}

	return $fields;
} );


/**
 * Translate Cart Notices notice message with WPML
 *
 * @param string $message the notice message
 * @return string the translated notice message
 */
add_filter( 'wc_cart_notices_notice_message', function ( $message, $notice_type, $notice ) {

	if ( isset( $notice->name ) ) {

		$slug = sanitize_title( $notice->name );

		$message = apply_filters( 'wpml_translate_single_string', $message, 'wc_cart_notices_fields', "message[$slug]" );
	}

	return $message; 
}, 10, 3 );


/**
 * Translate Cart Notices call to action with WPML
 *
 * @param object $notice the notice object
 * @return object the notice object with a translated call to action
 */
add_filter( 'wc_cart_notices_notice_object', function ( $notice ) {

	if ( isset( $notice->name ) ) {

		$slug = sanitize_title( $notice->name );

		// translate call to action
		$notice->action = apply_filters( 'wpml_translate_single_string', $notice->action, 'wc_cart_notices_fields', "call_to_action[$slug]" );

		// translate call to action URL
		$notice->action_url = apply_filters( 'wpml_translate_single_string', $notice->action_url, 'wc_cart_notices_fields', "call_to_action_url[$slug]" );
	}

	return $notice;
} );