有两个注意事项,一个是如果没有提供一种语言,它将只选择列表中的第一个区域设置.为了解决这个问题,你必须在函数调用周围放一些逻辑来提供相应的语言.另一个是它需要安装PHP5-intl.

<?PHP

/**
/* Returns a locale from a country code that is provided.
/*
/* @param $country_code  ISO 3166-2-alpha 2 country code
/* @param $language_code ISO 639-1-alpha 2 language code
/* @returns  a locale,formatted like en_US,or null if not found
/**/
function country_code_to_locale($country_code,$language_code = '')
{
    // Locale list taken from:
    // https://stackoverflow.com/questions/3191664/
    // list-of-all-locales-and-their-short-codes
    $locales = array('af-ZA','am-ET','ar-AE','ar-BH','ar-DZ','ar-EG','ar-IQ','ar-JO','ar-KW','ar-LB','ar-LY','ar-MA','arn-CL','ar-OM','ar-QA','ar-SA','ar-SY','ar-TN','ar-YE','as-IN','az-Cyrl-AZ','az-Latn-AZ','ba-RU','be-BY','bg-BG','bn-BD','bn-IN','bo-CN','br-FR','bs-Cyrl-BA','bs-Latn-BA','ca-ES','co-FR','cs-CZ','cy-GB','da-DK','de-AT','de-CH','de-DE','de-LI','de-LU','dsb-DE','dv-MV','el-GR','en-029','en-AU','en-BZ','en-CA','en-GB','en-IE','en-IN','en-JM','en-MY','en-NZ','en-PH','en-SG','en-TT','en-US','en-ZA','en-ZW','es-AR','es-BO','es-CL','es-CO','es-CR','es-DO','es-EC','es-ES','es-GT','es-HN','es-MX','es-NI','es-PA','es-PE','es-PR','es-PY','es-SV','es-US','es-UY','es-VE','et-EE','eu-ES','fa-IR','fi-FI','fil-PH','fo-FO','fr-BE','fr-CA','fr-CH','fr-FR','fr-LU','fr-MC','fy-NL','ga-IE','gd-GB','gl-ES','gsw-FR','gu-IN','ha-Latn-NG','he-IL','hi-IN','hr-BA','hr-HR','hsb-DE','hu-HU','hy-AM','id-ID','ig-NG','ii-CN','is-IS','it-CH','it-IT','iu-Cans-CA','iu-Latn-CA','ja-JP','ka-GE','kk-KZ','kl-GL','km-KH','kn-IN','kok-IN','ko-KR','ky-KG','lb-LU','lo-LA','lt-LT','lv-LV','mi-NZ','mk-MK','ml-IN','mn-MN','mn-Mong-CN','moh-CA','mr-IN','ms-BN','ms-MY','mt-MT','nb-NO','ne-NP','nl-BE','nl-NL','nn-NO','nso-ZA','oc-FR','or-IN','pa-IN','pl-PL','prs-AF','ps-AF','pt-BR','pt-PT','qut-GT','quz-BO','quz-EC','quz-PE','rm-CH','ro-RO','ru-RU','rw-RW','sah-RU','sa-IN','se-FI','se-NO','se-SE','si-LK','sk-SK','sl-SI','sma-NO','sma-SE','smj-NO','smj-SE','smn-FI','sms-FI','sq-AL','sr-Cyrl-BA','sr-Cyrl-CS','sr-Cyrl-ME','sr-Cyrl-RS','sr-Latn-BA','sr-Latn-CS','sr-Latn-ME','sr-Latn-RS','sv-FI','sv-SE','sw-KE','syr-SY','ta-IN','te-IN','tg-Cyrl-TJ','th-TH','tk-TM','tn-ZA','tr-TR','tt-RU','tzm-Latn-DZ','ug-CN','uk-UA','ur-PK','uz-Cyrl-UZ','uz-Latn-UZ','vi-VN','wo-SN','xh-ZA','yo-NG','zh-CN','zh-HK','zh-MO','zh-SG','zh-TW','zu-ZA',);

    foreach ($locales as $locale)
    {
        $locale_region = locale_get_region($locale);
        $locale_language = locale_get_primary_language($locale);
        $locale_array = array('language' => $locale_language,'region' => $locale_region);

        if (strtoupper($country_code) == $locale_region &&
            $language_code == '')
        {
            return locale_compose($locale_array);
        }
        elseif (strtoupper($country_code) == $locale_region &&
                strtolower($language_code) == $locale_language)
        {
            return locale_compose($locale_array);
        }
    }

    return null;
}
?>