06:21:37 Enable Cell Caching using MemoryGZip method<br />06:21:37 Create new PHPExcel object<br />06:21:37 Set properties<br />06:21:37 Add data<br />06:21:37 Hide 'Phone' and 'fax' columns<br />06:21:37 Set outline levels<br />06:21:37 Freeze panes<br />06:21:37 Rows to repeat at top<br />06:21:37 Write to Excel2007 format<br />06:21:39 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5533 seconds<br />06:21:39 Current memory usage: 24 MB<br />06:21:39 Peak memory usage: 28 MB<br />06:21:39 Done writing file<br />File has been created in /var/www/shop_erp/vendor/phpoffice/phpexcel/Examples<br />