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    IntlChar::charType

    (PHP 7, PHP 8)

    IntlChar::charType — Get the general category value for a code point

    说明

    public static IntlChar::charType(int|string $codepoint): ?int

    Returns the general category value for the code point.

    参数

    codepoint

    The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

    返回值

    Returns the general category type, which may be one of the following constants:

    • IntlChar::CHAR_CATEGORY_UNASSIGNED
    • IntlChar::CHAR_CATEGORY_GENERAL_OTHER_TYPES
    • IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER
    • IntlChar::CHAR_CATEGORY_LOWERCASE_LETTER
    • IntlChar::CHAR_CATEGORY_TITLECASE_LETTER
    • IntlChar::CHAR_CATEGORY_MODIFIER_LETTER
    • IntlChar::CHAR_CATEGORY_OTHER_LETTER
    • IntlChar::CHAR_CATEGORY_NON_SPACING_MARK
    • IntlChar::CHAR_CATEGORY_ENCLOSING_MARK
    • IntlChar::CHAR_CATEGORY_COMBINING_SPACING_MARK
    • IntlChar::CHAR_CATEGORY_DECIMAL_DIGIT_NUMBER
    • IntlChar::CHAR_CATEGORY_LETTER_NUMBER
    • IntlChar::CHAR_CATEGORY_OTHER_NUMBER
    • IntlChar::CHAR_CATEGORY_SPACE_SEPARATOR
    • IntlChar::CHAR_CATEGORY_LINE_SEPARATOR
    • IntlChar::CHAR_CATEGORY_PARAGRAPH_SEPARATOR
    • IntlChar::CHAR_CATEGORY_CONTROL_CHAR
    • IntlChar::CHAR_CATEGORY_FORMAT_CHAR
    • IntlChar::CHAR_CATEGORY_PRIVATE_USE_CHAR
    • IntlChar::CHAR_CATEGORY_SURROGATE
    • IntlChar::CHAR_CATEGORY_DASH_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_START_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_END_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_CONNECTOR_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_MATH_SYMBOL
    • IntlChar::CHAR_CATEGORY_CURRENCY_SYMBOL
    • IntlChar::CHAR_CATEGORY_MODIFIER_SYMBOL
    • IntlChar::CHAR_CATEGORY_OTHER_SYMBOL
    • IntlChar::CHAR_CATEGORY_INITIAL_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_FINAL_PUNCTUATION
    • IntlChar::CHAR_CATEGORY_CHAR_CATEGORY_COUNT

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::charType("A") === IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER);
    var_dump(IntlChar::charType(".") === IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);
    var_dump(IntlChar::charType("\t") === IntlChar::CHAR_CATEGORY_CONTROL_CHAR);
    var_dump(IntlChar::charType("\u{2603}") === IntlChar::CHAR_CATEGORY_OTHER_SYMBOL);
    var_dump(IntlChar::charType("multiple chars") === null);
    ?>

    以上示例会输出：

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