20:47:41 Enable Cell Caching using MemoryGZip method<br />20:47:41 Create new PHPExcel object<br />20:47:41 Set properties<br />20:47:41 Add data<br />20:47:41 Hide 'Phone' and 'fax' columns<br />20:47:41 Set outline levels<br />20:47:41 Freeze panes<br />20:47:41 Rows to repeat at top<br />20:47:42 Write to Excel2007 format<br />20:47:44 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6523 seconds<br />20:47:44 Current memory usage: 17.5 MB<br />20:47:44 Peak memory usage: 20.25 MB<br />20:47:44 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />