protected function concatMessage($buffer)
{
$messages = [];
$buffer = array_slice($buffer, 2);
$message = stripcslashes($buffer[0][1]);
$messages[] = mb_substr($message, 1, mb_strlen($message) - 2);
if (isset($buffer[1], $buffer[2][0]) && $buffer[1] === '.' && $buffer[2][0] == T_CONSTANT_ENCAPSED_STRING) {
$messages = array_merge_recursive($messages, $this->concatMessage($buffer));
}
return $messages;
}