PHP: mb_chr - Manual (original) (raw)

(PHP 7 >= 7.2.0, PHP 8)

mb_chr — Return character by Unicode code point value

Description

This function complements mb_ord().

Parameters

codepoint

A Unicode codepoint value, e.g. 128024 for U+1F418 ELEPHANT

encoding

The encodingparameter is the character encoding. If it is omitted or [null](reserved.constants.php#constant.null), the internal character encoding value will be used.

Return Values

A string containing the requested character, if it can be represented in the specified encoding or [false](reserved.constants.php#constant.false) on failure.

Changelog

Examples

Example #1 Testing different code points

<?php
$values = [65, 63, 0x20AC, 128024];
foreach ($values as $value) {
    var_dump(mb_chr($value, 'UTF-8'));
    var_dump(mb_chr($value, 'ISO-8859-1'));
}
?>

The above example will output:

string(1) "A" string(1) "A" string(1) "?" string(1) "?" string(3) "€" bool(false) string(4) "🐘" bool(false)

See Also

• mb_internal_encoding() - Set/Get internal character encoding
• mb_ord() - Get Unicode code point of character
• IntlChar::ord() - Return Unicode code point value of character
• chr() - Generate a single-byte string from a number

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