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

    Description

    Object-oriented style

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

    Procedural style

    locale_get_primary_language(string $locale): ?string

    Gets the primary language for the input locale

    Parameters

    locale

    The locale to extract the primary language code from

    Return Values

    The language code associated with the language.

    Returns null when the length of locale exceeds INTL_MAX_LOCALE_LEN.

    Examples

    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');
    ?>

    The above example will output:

    zh

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    User Contributed Notes 1 note

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    11
    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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