13:05:26 Enable Cell Caching using MemoryGZip method<br />13:05:26 Create new PHPExcel object<br />13:05:26 Set properties<br />13:05:26 Add data<br />13:05:26 Hide 'Phone' and 'fax' columns<br />13:05:26 Set outline levels<br />13:05:26 Freeze panes<br />13:05:26 Rows to repeat at top<br />13:05:29 Write to Excel2007 format<br />13:05:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.0285 seconds<br />13:05:32 Current memory usage: 19 MB<br />13:05:32 Peak memory usage: 21.75 MB<br />13:05:32 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />