PHP 8.4.0 RC4 available for testing

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_languageGets 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.

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

添加备注

用户贡献的备注 1 note

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16
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.
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