Message::setMessage

public function setMessage(?string $value): self
{
	if ($value)
	{
		$value = trim(str_replace(['[BR]', '[br]', '#BR#'], "n", $value));

		if (mb_strlen($value) > self::MESSAGE_MAX_LENGTH + 6)
		{
			$value = mb_substr($value, 0, self::MESSAGE_MAX_LENGTH). ' (...)';
		}
	}

	$this->message = $value ?: '';
	return $this;
}