/**
  * Write the CSV rows for the current step.
  *
  * @access public
  * @since  8.5.1
  */
 public function writeRows()
 {
     $results = $this->getData();
     $rows = '';
     if (!empty($results)) {
         // Go through each entry...
         foreach ($results as $entry) {
             $fieldCount = count($this->fields);
             $row = '';
             // ...and go through each cell the user wants to export, and match it with the cell in the entry...
             for ($i = 0; $i < $fieldCount; $i++) {
                 // ...then find out if it's a breakout cell and process it properly...
                 switch ($this->fields[$i]['type']) {
                     case 1:
                         // Export a standard breakout; just list them all in the order requested...
                         $row .= $this->exportBreakoutCell($this->fields[$i], $entry->id);
                         break;
                     case 2:
                         // Process category table and list all categories in a single cell...
                         $terms = array();
                         $results = $this->getTerms($entry->id, 'category');
                         foreach ($results as $term) {
                             $terms[] = $term->name;
                         }
                         $row .= $this->escapeAndQuote(implode(',', $terms)) . ',';
                         break;
                     case 3:
                         $count = $this->getTermCount('category');
                         $terms = array();
                         // Process the category table by breaking them out in separate cells,
                         // Prepare an empty frame of the category cells...
                         for ($j = 0; $j < $count + 1; $j++) {
                             // Make an array filled with empty cells
                             $terms[$j] = '"",';
                         }
                         // Now start filling in the empty cells with data...
                         $row = $this->getTerms($entry->id, 'category');
                         $j = 0;
                         foreach ($row as $result) {
                             $terms[$j] = $this->escapeAndQuote($result->name) . ',';
                             $j++;
                         }
                         $row .= implode('', $terms);
                         break;
                     case 4:
                         // Export breakout data from the serialized option cell.
                         $row .= $this->exportBreakoutOptionsCell($this->fields[$i], $entry);
                         break;
                     case 5:
                         $data = '';
                         $meta = cnMeta::get('entry', $entry->id, $this->fields[$i]['field'], TRUE);
                         if (!empty($meta)) {
                             $data = cnFormatting::maybeJSONencode($meta);
                         }
                         $row .= $this->escapeAndQuote($data) . ',';
                         break;
                     case 6:
                         $terms = array();
                         $parent = $this->fields[$i]['child_of'];
                         $results = $this->getTerms($entry->id, 'category');
                         foreach ($results as $term) {
                             $terms[] = $parent . ':' . $term->term_id;
                             if (cnTerm::isAncestorOf($parent, $term->term_id, 'category')) {
                                 $terms[] = $term->name;
                             }
                         }
                         $row .= $this->escapeAndQuote(implode(',', $terms)) . ',';
                         break;
                     default:
                         // If no breakout type is defined, only display the cell data...
                         $row .= $this->escapeAndQuote($entry->{$this->fields[$i]['field']}) . ',';
                         break;
                 }
             }
             // Trim the trailing comma and space, then add newline.
             $rows .= rtrim($row, ',') . "\r\n";
         }
         // Now write the data...
         $this->write($rows);
         return $rows;
     }
     return FALSE;
 }