MysqliResult::getFields

public function getFields()
{
	if ($this->resultFields == null)
	{
		$this->resultFields = array();
		if (is_object($this->resource))
		{
			$fields = $this->resource->fetch_fields();
			if ($fields && $this->connection)
			{
				$helper = $this->connection->getSqlHelper();
				foreach ($fields as $field)
				{
					$this->resultFields[$field->name] = $helper->getFieldByColumnType($field->name, $field->type);
				}
			}
		}
	}

	return $this->resultFields;
}