20:36:28 Enable Cell Caching using MemoryGZip method<br />20:36:28 Create new PHPExcel object<br />20:36:28 Set properties<br />20:36:28 Add data<br />20:36:28 Hide 'Phone' and 'fax' columns<br />20:36:28 Set outline levels<br />20:36:28 Freeze panes<br />20:36:28 Rows to repeat at top<br />20:36:31 Write to Excel2007 format<br />20:36:33 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0173 seconds<br />20:36:33 Current memory usage: 19 MB<br />20:36:33 Peak memory usage: 21.75 MB<br />20:36:33 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />