08:58:04 Enable Cell Caching using MemoryGZip method<br />08:58:04 Create new PHPExcel object<br />08:58:04 Set properties<br />08:58:04 Add data<br />08:58:04 Hide 'Phone' and 'fax' columns<br />08:58:04 Set outline levels<br />08:58:04 Freeze panes<br />08:58:04 Rows to repeat at top<br />08:58:07 Write to Excel2007 format<br />08:58:10 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.1580 seconds<br />08:58:10 Current memory usage: 19 MB<br />08:58:10 Peak memory usage: 21.75 MB<br />08:58:10 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />