15:19:21 Enable Cell Caching using MemoryGZip method<br />15:19:21 Create new PHPExcel object<br />15:19:21 Set properties<br />15:19:21 Add data<br />15:19:21 Hide 'Phone' and 'fax' columns<br />15:19:21 Set outline levels<br />15:19:21 Freeze panes<br />15:19:21 Rows to repeat at top<br />15:19:26 Write to Excel2007 format<br />15:19:29 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8493 seconds<br />15:19:29 Current memory usage: 23.75 MB<br />15:19:29 Peak memory usage: 26.75 MB<br />15:19:29 Done writing file<br />File has been created in /var/www/html/onswitch.neon.service/vendor/phpoffice/phpexcel/Examples<br />