New Post: Slow Report Generation

          for($y=0; $y<=max($years_purch,$years_inv); $y++)
          {
            if($y<$years_purch)
            {
              $sheet->SetCellValue($letter.$i, trim($row['FY'.$FYpurch[$y].'purchdemand']));
              //$sheet->getStyle($letter.$i)->getNumberFormat()->setFormatCode('0');  
              $letter++; 
            }
            if($y<$years_inv)
            {
              $sheet->SetCellValue($letter.$i, trim($row['FY'.$FYinv[$y].'invdemand']));
             // $sheet->getStyle($letter.$i)->getNumberFormat()->setFormatCode('0'); 
              $letter++; 
            }   
          } 
          $sheet->SetCellValue($letter.$i, trim($row['part_obsolete_next12mo']));
         //   $sheet->getStyle($letter.$i)->getNumberFormat()->setFormatCode('@');  
          $i++; 
          
          if($result['num_rows']==($i))
          {
            $sheet->getStyle('A1:'.$letter.'1')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB('000066FF');
            $sheet->getStyle('A1:'.$letter.'1')->getFont()->setBold(true);
            $sheet->getStyle('A1:'.$letter.'1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_WHITE);  
          }