src/Row.php
public function getAsArray($fieldName)
    {
        if (!array_key_exists($fieldName, $this->row)) {
            return [];
        }

        $result = $this->row[$fieldName];

        if (empty($result)) {
            return [];
        }

        return (array)$result;
    }
public function getAsArray($fieldName)
    {
        if (!array_key_exists($fieldName, $this->row)) {
            return [];
        }

        $result = $this->row[$fieldName];

        if (empty($result)) {
            return [];
        }

        return (array)$result;
    }
Get array from a single field

@param string $fieldName
@return array