Locale::getPrimaryLanguage

locale_get_primary_language

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

Locale::getPrimaryLanguage -- locale_get_primary_language — Gets the primary language for the input locale

说明

面向对象风格

public static Locale::getPrimaryLanguage(string $locale): ?string

过程化风格

locale_get_primary_language(string $locale): ?string

Gets the primary language for the input locale

参数

locale: The locale to extract the primary language code from

返回值

The language code associated with the language.

当 locale 的长度超过 INTL_MAX_LOCALE_LEN 时返回 null。

示例

示例 #1 locale_get_primary_language() example

<?php
echo locale_get_primary_language('zh-Hant');
?>

示例 #2 OO example

<?php
echo Locale::getPrimaryLanguage('zh-Hant');
?>

以上示例会输出：

zh

参见

locale_get_script() - Gets the script for the input locale
locale_get_region() - Gets the region for the input locale
locale_get_all_variants() - Gets the variants for the input locale

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Mahn ¶

9 years ago

The behaviour when a falsy value is passed as the $locale is undocumented, but it appears that it returns the primary language of the default system language. In my case:

    Locale::getPrimaryLanguage(null);

Returns 'en'. So make sure to test $locale before passing it to the method.