Connection::isUtf8mb4

public function isUtf8mb4($table = null, $column = null)
{
	if(isset($this->utf8mb4["global"]) && $this->utf8mb4["global"] === true)
	{
		return true;
	}

	if($table !== null && isset($this->utf8mb4["tables"][$table]) && $this->utf8mb4["tables"][$table] === true)
	{
		return true;
	}

	if($table !== null && $column !== null && isset($this->utf8mb4["tables"][$table][$column]) && $this->utf8mb4["tables"][$table][$column] === true)
	{
		return true;
	}

	return false;
}