07:00:10 Enable Cell Caching using MemoryGZip method<br />07:00:10 Create new PHPExcel object<br />07:00:10 Set properties<br />07:00:10 Add data<br />07:00:10 Hide 'Phone' and 'fax' columns<br />07:00:10 Set outline levels<br />07:00:10 Freeze panes<br />07:00:10 Rows to repeat at top<br />07:00:12 Write to Excel2007 format<br />07:00:16 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7562 seconds<br />07:00:16 Current memory usage: 27.75 MB<br />07:00:16 Peak memory usage: 31.25 MB<br />07:00:16 Done writing file<br />File has been created in D:\wwwroot\oa\vendor\phpoffice\phpexcel\Examples<br />