22:08:06 Enable Cell Caching using MemoryGZip method<br />22:08:06 Create new PHPExcel object<br />22:08:06 Set properties<br />22:08:06 Add data<br />22:08:06 Hide 'Phone' and 'fax' columns<br />22:08:06 Set outline levels<br />22:08:06 Freeze panes<br />22:08:06 Rows to repeat at top<br />22:08:10 Write to Excel2007 format<br />22:08:15 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.8203 seconds<br />22:08:15 Current memory usage: 24 MB<br />22:08:15 Peak memory usage: 27 MB<br />22:08:15 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />