00:20:17 Enable Cell Caching using MemoryGZip method<br />00:20:17 Create new PHPExcel object<br />00:20:17 Set properties<br />00:20:17 Add data<br />00:20:17 Hide 'Phone' and 'fax' columns<br />00:20:17 Set outline levels<br />00:20:17 Freeze panes<br />00:20:17 Rows to repeat at top<br />00:20:18 Write to Excel2007 format<br />00:20:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5784 seconds<br />00:20:20 Current memory usage: 22 MB<br />00:20:20 Peak memory usage: 26 MB<br />00:20:20 Done writing file<br />File has been created in /var/www/shop_test/vendor/phpoffice/phpexcel/Examples<br />