20:24:55 Enable Cell Caching using MemoryGZip method<br />20:24:55 Create new PHPExcel object<br />20:24:55 Set properties<br />20:24:55 Add data<br />20:24:55 Hide 'Phone' and 'fax' columns<br />20:24:55 Set outline levels<br />20:24:55 Freeze panes<br />20:24:55 Rows to repeat at top<br />20:24:56 Write to Excel2007 format<br />20:24:57 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6494 seconds<br />20:24:57 Current memory usage: 17.25 MB<br />20:24:57 Peak memory usage: 20 MB<br />20:24:57 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />