19:51:45 Enable Cell Caching using MemoryGZip method<br />19:51:45 Create new PHPExcel object<br />19:51:45 Set properties<br />19:51:45 Add data<br />19:51:45 Hide 'Phone' and 'fax' columns<br />19:51:45 Set outline levels<br />19:51:45 Freeze panes<br />19:51:45 Rows to repeat at top<br />19:51:47 Write to Excel2007 format<br />19:51:48 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7888 seconds<br />19:51:48 Current memory usage: 22 MB<br />19:51:48 Peak memory usage: 26 MB<br />19:51:48 Done writing file<br />File has been created in /var/www/shop_erp/vendor/phpoffice/phpexcel/Examples<br />