20:28:58 Enable Cell Caching using MemoryGZip method<br />20:28:58 Create new PHPExcel object<br />20:28:58 Set properties<br />20:28:58 Add data<br />20:28:58 Hide 'Phone' and 'fax' columns<br />20:28:58 Set outline levels<br />20:28:58 Freeze panes<br />20:28:58 Rows to repeat at top<br />20:28:58 Write to Excel2007 format<br />20:28:59 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.5378 seconds<br />20:28:59 Current memory usage: 20 MB<br />20:28:59 Peak memory usage: 26 MB<br />20:28:59 Done writing file<br />File has been created in /var/www/rh/vendor/phpoffice/phpexcel/Examples<br />