PHP - Manual: IntlChar::charName
2025-04-28
IntlChar::charName
(PHP 7, PHP 8)
IntlChar::charName — Retrieve the name of a Unicode character
说明
public static IntlChar::charName(int|string
$codepoint, int $type = IntlChar::UNICODE_CHAR_NAME): ?stringRetrieves the name of a Unicode character.
Depending on type, the resulting character name is the "modern" name or the name that
was defined in Unicode version 1.0. The name contains only "invariant" characters like A-Z, 0-9, space, and '-'.
Unicode 1.0 names are only retrieved if they are different from the modern names and if ICU contains the data for them.
参数
返回值
The corresponding name, or an empty string if there is no name for this character,
or null if there is no such code point.
示例
示例 #1 Testing different code points
<?php
var_dump(IntlChar::charName("."));
var_dump(IntlChar::charName(".", IntlChar::UNICODE_CHAR_NAME));
var_dump(IntlChar::charName("\u{2603}"));
var_dump(IntlChar::charName("\u{0000}"));
?>以上示例会输出：
string(9) "FULL STOP" string(9) "FULL STOP" string(7) "SNOWMAN" string(0) ""
参见
- IntlChar::charFromName() - Find Unicode character by name and return its code point value
- IntlChar::enumCharNames() - Enumerate all assigned Unicode characters within a range
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