wp-includes/sodium_compat/src/Core/Util.php:402Turn an array of integers into a string
$intsarraystring public static function intArrayToString(array $ints) { $args = $ints; foreach ($args as $i => $v) { $args[$i] = (int) ($v & 0xff); } array_unshift($args, str_repeat('C', count($ints))); return (string) (call_user_func_array('pack', $args)); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/Util.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.