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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:

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)