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このドキュメントでは、 php中国語ネットマニュアル リリース
(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
Locale::getPrimaryLanguage -- locale_get_primary_language — Gets the primary language for the input locale
面向对象风格
$locale
)过程化风格
$locale
)Gets the primary language for the input locale
locale
The locale to extract the primary language code from
The language code associated with the language or NULL
in case of error.
Example #1 locale_get_primary_language() example
<?php
echo locale_get_primary_language ( 'zh-Hant' );
?>
Example #2 OO example
<?php
echo Locale :: getPrimaryLanguage ( 'zh-Hant' );
?>
以上例程会输出:
zh
[#1] Mahn [2015-05-09 23:48:40]
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.