22:21:35 Enable Cell Caching using MemoryGZip method<br />22:21:35 Create new PHPExcel object<br />22:21:35 Set properties<br />22:21:35 Add data<br />22:21:35 Hide 'Phone' and 'fax' columns<br />22:21:35 Set outline levels<br />22:21:35 Freeze panes<br />22:21:35 Rows to repeat at top<br />22:21:36 Write to Excel2007 format<br />22:21:38 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5497 seconds<br />22:21:38 Current memory usage: 17.5 MB<br />22:21:38 Peak memory usage: 20.25 MB<br />22:21:38 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />