Convert a String into an Array of Characters - multi-byte

Question

Assuming that in 2019 every solution which is not UNICODE-safe is wrong. What is the best way to convert a string to array of UNICODE characters in PHP?

Obviously th

Answer 1

This works for me, it explodes a unicode string into an array of characters:

//
// split at all position not after the start: ^
// and not before the end: $, with unicode modifier
// u (PCRE_UTF8).
//
$arr = preg_split("/(?

For example:

';

print_r($arr);

echo '

';
?>

In a browser, it produces this:

Array ( [0] => 堆 [1] => 栈 [2] => 溢 [3] => 出 )