22:39:39 Enable Cell Caching using MemoryGZip method<br />22:39:39 Create new PHPExcel object<br />22:39:39 Set properties<br />22:39:39 Add data<br />22:39:39 Hide 'Phone' and 'fax' columns<br />22:39:39 Set outline levels<br />22:39:39 Freeze panes<br />22:39:39 Rows to repeat at top<br />22:39:41 Write to Excel2007 format<br />22:39:45 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7828 seconds<br />22:39:45 Current memory usage: 23.5 MB<br />22:39:45 Peak memory usage: 27 MB<br />22:39:45 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />