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IntlChar::chr

(PHP 7, PHP 8)

IntlChar::chrReturn Unicode character by code point value

说明

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

Returns a string containing the character specified by the Unicode code point value.

This function complements IntlChar::ord().

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

A string containing the single character specified by the Unicode code point value, or null on failure.

示例

示例 #1 Testing different code points

<?php
$values
= ["A", 63, 123, 9731];
foreach (
$values as $value) {
var_dump(IntlChar::chr($value));
}
?>

以上示例会输出:

string(1) "A"
string(1) "?"
string(1) "{"
string(3) "☃"

参见

  • IntlChar::ord() - Return Unicode code point value of character
  • mb_chr() - 按 Unicode 码位值返回字符
  • chr() - 从数字生成单字节字符串

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