15:51:51 Enable Cell Caching using MemoryGZip method<br />15:51:51 Create new PHPExcel object<br />15:51:51 Set properties<br />15:51:51 Add data<br />15:51:51 Hide 'Phone' and 'fax' columns<br />15:51:51 Set outline levels<br />15:51:51 Freeze panes<br />15:51:51 Rows to repeat at top<br />15:51:54 Write to Excel2007 format<br />15:51:57 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7865 seconds<br />15:51:57 Current memory usage: 27 MB<br />15:51:57 Peak memory usage: 30.25 MB<br />15:51:57 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />