08:20:59 Enable Cell Caching using MemoryGZip method<br />08:20:59 Create new PHPExcel object<br />08:20:59 Set properties<br />08:20:59 Add data<br />08:20:59 Hide 'Phone' and 'fax' columns<br />08:20:59 Set outline levels<br />08:20:59 Freeze panes<br />08:20:59 Rows to repeat at top<br />08:20:59 Write to Excel2007 format<br />08:21:01 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4703 seconds<br />08:21:01 Current memory usage: 17.5 MB<br />08:21:01 Peak memory usage: 20.25 MB<br />08:21:01 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />