(PHP 7, PHP 8)
IntlChar::chr — Return Unicode character by code point value
$codepoint): ?stringReturns a string containing the character specified by the Unicode code point value.
This function complements IntlChar::ord().
codepointThe int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
A string containing the single character specified by the Unicode code point value, or null on failure.
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) "☃"