19:00:21 Enable Cell Caching using MemoryGZip method<br />19:00:21 Create new PHPExcel object<br />19:00:21 Set properties<br />19:00:21 Add data<br />19:00:21 Hide 'Phone' and 'fax' columns<br />19:00:21 Set outline levels<br />19:00:21 Freeze panes<br />19:00:21 Rows to repeat at top<br />19:00:22 Write to Excel2007 format<br />19:00:23 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4783 seconds<br />19:00:23 Current memory usage: 17.5 MB<br />19:00:23 Peak memory usage: 20.25 MB<br />19:00:23 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />