public function charsToLines(&$diffs, $lineArray) { foreach ($diffs as &$diff) { $text = ''; for ($i = 0; $i < mb_strlen($diff[1]); $i++) { $char = mb_substr($diff[1], $i, 1); $text .= $lineArray[Utils::unicodeOrd($char)]; } $diff[1] = $text; } unset($diff); }