01:10:32 Enable Cell Caching using MemoryGZip method<br />01:10:32 Create new PHPExcel object<br />01:10:32 Set properties<br />01:10:32 Add data<br />01:10:32 Hide 'Phone' and 'fax' columns<br />01:10:32 Set outline levels<br />01:10:32 Freeze panes<br />01:10:32 Rows to repeat at top<br />01:10:33 Write to Excel2007 format<br />01:10:36 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.3693 seconds<br />01:10:36 Current memory usage: 19 MB<br />01:10:36 Peak memory usage: 21.75 MB<br />01:10:36 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />