fast array hydration for single entities, no associations, no type conversions

gistfile1.txt

    /**
     * {@inheritdoc}
     */
    protected function hydrateAllData()
    {
        $firstRowData = $this->_stmt->fetch(PDO::FETCH_ASSOC);
        $headings = array_keys($firstRowData);
        $fields = [];
        foreach($headings as $idx => $column) {
            $colInfo = $this->hydrateColumnInfo($column);
            $fields[$idx] = $colInfo['fieldName'];
        }
        $rows = [];
        $rows[] = array_combine($fields, array_values($firstRowData));

        $rawRows = $this->_stmt->fetchAll(PDO::FETCH_NUM);
        foreach ($rawRows as $row) {
            $rows[] = array_combine($fields, $row);
        }
        return $rows;
    }