13:39:16 Enable Cell Caching using MemoryGZip method<br />13:39:16 Create new PHPExcel object<br />13:39:16 Set properties<br />13:39:16 Add data<br />13:39:16 Hide 'Phone' and 'fax' columns<br />13:39:16 Set outline levels<br />13:39:16 Freeze panes<br />13:39:16 Rows to repeat at top<br />13:39:18 Write to Excel2007 format<br />13:39:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1345 seconds<br />13:39:20 Current memory usage: 19.5 MB<br />13:39:20 Peak memory usage: 22.25 MB<br />13:39:20 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />