mb_chr
(PHP 7 >= 7.2.0, PHP 8)
mb_chr — Return character by Unicode code point value
Description
mb_chr(int
$codepoint, ?string $encoding = null): string|falseReturns a string containing the character specified by the Unicode code point value, encoded in the specified encoding.
This function complements mb_ord().
Parameters
-
codepoint -
A Unicode codepoint value, e.g.
128024for U+1F418 ELEPHANT -
encoding -
The
encodingparameter is the character encoding. If it is omitted ornull, 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 on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
encoding is nullable now.
|
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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