Coseva\CSV::_applyFilters PHP Method

    public function _applyFilters(array $row)
    {
        if (!empty($this->_filters)) {
            // Run filters in the same order they were registered.
            foreach ($this->_filters as &$filter) {
                $callable =& $filter['callable'];
                $column =& $filter['column'];
                $arguments =& $filter['args'];
                // Apply to the entire row.
                if (is_null($column)) {
                    $row = call_user_func_array($callable, array_merge(array(&$row), $arguments));
                } else {
                    $row[$column] = call_user_func_array($callable, array_merge(array(&$row[$column]), $arguments));
                }
            }
            // Unset references.
            unset($filter, $callable, $column, $arguments);
        }
        return $row;
    }