<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\GoogleListingsAndAds\Utility;
use Automattic\WooCommerce\GoogleListingsAndAds\Infrastructure\Service;
use Automattic\WooCommerce\GoogleListingsAndAds\Vendor\League\ISO3166\Exception\ISO3166Exception;
use Automattic\WooCommerce\GoogleListingsAndAds\Vendor\League\ISO3166\ISO3166DataProvider;
defined( 'ABSPATH' ) || exit;
/**
* Class ISOUtility
*
* @package Automattic\WooCommerce\GoogleListingsAndAds\Utility
*
* @since 1.5.0
*/
class ISOUtility implements Service {
/**
* @var ISO3166DataProvider
*/
protected $iso3166_data_provider;
/**
* ISOUtility constructor.
*
* @param ISO3166DataProvider $iso3166_data_provider
*/
public function __construct( ISO3166DataProvider $iso3166_data_provider ) {
$this->iso3166_data_provider = $iso3166_data_provider;
}
/**
* Validate that the provided input is valid ISO 3166-1 alpha-2 country code.
*
* @param string $country_code
*
* @return bool
*
* @see https://wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements ISO 3166-1 alpha-2
* officially assigned codes.
*/
public function is_iso3166_alpha2_country_code( string $country_code ): bool {
try {
$this->iso3166_data_provider->alpha2( $country_code );
return true;
} catch ( ISO3166Exception $exception ) {
return false;
}
}
/**
* Converts WordPress language code to IETF BCP 47 format.
*
* @param string $wp_locale
*
* @return string IETF BCP 47 language code or 'en-US' if the language code cannot be converted.
*
* @see https://tools.ietf.org/html/bcp47 IETF BCP 47 language codes.
*/
public function wp_locale_to_bcp47( string $wp_locale ): string {
if ( empty( $wp_locale ) || ! preg_match( '/^[-_a-zA-Z0-9]{2,}$/', $wp_locale, $matches ) ) {
return 'en-US';
}
return str_replace( '_', '-', $wp_locale );
}
}