mb_chr

PHP 7 >= 7.2.0, PHP 8
mb_chr - Return character by Unicode code point value
Manual
Code Examples

Example #1 Testing different code points

Result: string(1) "A" string(1) "A" string(1) "?" string(1) "?" string(3) "€" bool(false) string(4) "🐘" bool(false)
PHP Version: