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<?php
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @package FacebookCommerce
*/
namespace SkyVerge\WooCommerce\Facebook;
defined( 'ABSPATH' ) or exit;
/**
* Helper class with utility methods for handling locales in Facebook.
*
* @since 2.2.0
*/
class Locale {
/** @var string default locale */
const DEFAULT_LOCALE = 'en_US';
/** @var string[] an array of supported locale identifiers */
private static $supported_locales = [
'af_ZA',
'ar_AR',
'as_IN',
'az_AZ',
'be_BY',
'bg_BG',
'bn_IN',
'br_FR',
'bs_BA',
'ca_ES',
'cb_IQ',
'co_FR',
'cs_CZ',
'cx_PH',
'cy_GB',
'da_DK',
'de_DE',
'el_GR',
'en_GB',
'en_US',
'es_ES',
'es_LA',
'et_EE',
'eu_ES',
'fa_IR',
'ff_NG',
'fi_FI',
'fo_FO',
'fr_CA',
'fr_FR',
'fy_NL',
'ga_IE',
'gl_ES',
'gn_PY',
'gu_IN',
'ha_NG',
'he_IL',
'hi_IN',
'hr_HR',
'hu_HU',
'hy_AM',
'id_ID',
'is_IS',
'it_IT',
'ja_JP',
'ja_KS',
'jv_ID',
'ka_GE',
'kk_KZ',
'km_KH',
'kn_IN',
'ko_KR',
'ku_TR',
'lt_LT',
'lv_LV',
'mg_MG',
'mk_MK',
'ml_IN',
'mn_MN',
'mr_IN',
'ms_MY',
'mt_MT',
'my_MM',
'nb_NO',
'ne_NP',
'nl_BE',
'nl_NL',
'nn_NO',
'or_IN',
'pa_IN',
'pl_PL',
'ps_AF',
'pt_BR',
'pt_PT',
'qz_MM',
'ro_RO',
'ru_RU',
'rw_RW',
'sc_IT',
'si_LK',
'sk_SK',
'sl_SI',
'so_SO',
'sq_AL',
'sr_RS',
'sv_SE',
'sw_KE',
'sz_PL',
'ta_IN',
'te_IN',
'tg_TJ',
'th_TH',
'tl_PH',
'tr_TR',
'tz_MA',
'uk_UA',
'ur_PK',
'uz_UZ',
'vi_VN',
'zh_CN',
'zh_HK',
'zh_TW',
];
/**
* Gets a list of locales supported by Facebook.
*
* @link https://developers.facebook.com/docs/messenger-platform/messenger-profile/supported-locales/
* If the Locale extension is not available, will attempt to match locales to WordPress available language names.
*
* @since 2.2.0
*
* @return array associative array of locale identifiers and language labels
*/
public static function get_supported_locales() {
$locales = [];
if ( class_exists( 'Locale' ) ) {
foreach ( self::$supported_locales as $locale ) {
if ( $name = \Locale::getDisplayName( $locale, substr( $locale, 0, 2 ) ) ) {
$locales[ $locale ] = ucfirst( $name );
}
}
} else {
include_once( ABSPATH . '/wp-admin/includes/translation-install.php' );
$translations = wp_get_available_translations();
foreach ( self::$supported_locales as $locale ) {
if ( isset( $translations[ $locale ]['native_name'] ) ) {
$locales[ $locale ] = $translations[ $locale ]['native_name'];
} else { // generic match e.g. <it>_IT, <it>_CH (any language in the the <it> group )
$matched_locale = substr( $locale, 0, 2 );
if ( isset( $translations[ $matched_locale ]['native_name'] ) ) {
$locales[ $locale ] = $translations[ $matched_locale ]['native_name'];
}
}
}
// always include US English
$locales['en_US'] = _x( 'English (United States)', 'language', 'facebook-for-woocommerce' );
}
/**
* Filters the locales supported by Facebook Messenger.
*
* @since 1.10.0
*
* @param array $locales locales supported by Facebook, in $locale => $name format
*/
$locales = (array) apply_filters( 'wc_facebook_messenger_supported_locales', array_unique( $locales ) );
natcasesort( $locales );
return $locales;
}
/**
* Determines if a locale is supported by Facebook.
*
* @since 2.2.0
*
* @param string $locale a locale identifier
* @return bool
*/
public static function is_supported_locale( $locale ) {
return array_key_exists( $locale, self::get_supported_locales() );
}
}