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  • IntlChar::isUAlphabetic()

    版本:php7

    (PHP 7)

    Check if code point has the Alphabetic Unicode property

    说明

    publicstaticIntlChar::isUAlphabetic(mixed $codepoint): bool

    Check if a code point has the Alphabetic Unicode property.

    This is the same asIntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_ALPHABETIC)

    参数

    $codepoint

    The integer codepoint value(e.g.0x2603forU+2603 SNOWMAN), or the character encoded as a UTF-8 string(e.g."u{2603}")

    返回值

    Returns TRUE if$codepointhas the Alphabetic Unicode property,FALSE if not.

    范例

    Testing different code points

    <?php
    var_dump(IntlChar::isUAlphabetic("A"));
    var_dump(IntlChar::isUAlphabetic("1"));
    var_dump(IntlChar::isUAlphabetic("\u{2603}"));
    ?>
    

    以上例程会输出:

    bool(true)
    bool(false)
    bool(false)
    

    参见

    • IntlChar::isalpha() Check if code point is a letter character
    • IntlChar::hasBinaryProperty() Check a binary Unicode property for a code point
    • IntlChar::PROPERTY_ALPHABETIC