Create Criteria From fields and values

yii - create cdbcriteria from arrray

    private function getCriteriaForRow($row)
    {
        $fullCriteria = new CDbCriteria();

        foreach ($this->mapping as $uploadColumn => $databaseColumn) {

            $value = $row[array_search($uploadColumn, $this->fileHeader)];

            $criteria = new CDbCriteria();
            $criteria->condition = $databaseColumn . '=:' . $databaseColumn;
            $criteria->params = [':' . $databaseColumn => $value];

            $fullCriteria->mergeWith($criteria, $operator = 'AND');
        }

        return $fullCriteria;
    }