06:40:29 Enable Cell Caching using MemoryGZip method<br />06:40:29 Create new PHPExcel object<br />06:40:29 Set properties<br />06:40:29 Add data<br />06:40:29 Hide 'Phone' and 'fax' columns<br />06:40:29 Set outline levels<br />06:40:29 Freeze panes<br />06:40:29 Rows to repeat at top<br />06:40:30 Write to Excel2007 format<br />06:40:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5510 seconds<br />06:40:31 Current memory usage: 24 MB<br />06:40:31 Peak memory usage: 28 MB<br />06:40:31 Done writing file<br />File has been created in /var/www/shop_erp/vendor/phpoffice/phpexcel/Examples<br />