21:08:20 Enable Cell Caching using MemoryGZip method<br />21:08:20 Create new PHPExcel object<br />21:08:20 Set properties<br />21:08:20 Add data<br />21:08:20 Hide 'Phone' and 'fax' columns<br />21:08:20 Set outline levels<br />21:08:20 Freeze panes<br />21:08:20 Rows to repeat at top<br />21:08:21 Write to Excel2007 format<br />21:08:23 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.3207 seconds<br />21:08:23 Current memory usage: 27.75 MB<br />21:08:23 Peak memory usage: 31 MB<br />21:08:23 Done writing file<br />File has been created in /var/www/loyalworld/vendor/phpoffice/phpexcel/Examples<br />