RosettaCodeData/Task/Reverse-a-string/PHP/reverse-a-string-3.php

22 lines
428 B
PHP

$a = mb_convert_encoding('👦🏻👋', 'UTF-8', 'HTML-ENTITIES'); // 👦🏻👋
function str_to_array($string)
{
$length = grapheme_strlen($string);
$ret = [];
for ($i = 0; $i < $length; $i += 1) {
$ret[] = grapheme_substr($string, $i, 1);
}
return $ret;
}
function utf8_strrev($string)
{
return implode(array_reverse(str_to_array($string)));
}
print_r(utf8_strrev($a)); // 👋👦🏻