(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
面向对象风格
$locale): ?string过程化风格
$locale): ?stringGets the primary language for the input locale
localeThe locale to extract the primary language code from
The language code associated with the language.
当 locale 的长度超过 INTL_MAX_LOCALE_LEN 时返回 null。
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
