16:21:38 Enable Cell Caching using MemoryGZip method<br />16:21:38 Create new PHPExcel object<br />16:21:38 Set properties<br />16:21:38 Add data<br />16:21:38 Hide 'Phone' and 'fax' columns<br />16:21:38 Set outline levels<br />16:21:38 Freeze panes<br />16:21:38 Rows to repeat at top<br />16:21:39 Write to Excel2007 format<br />16:21:41 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2704 seconds<br />16:21:41 Current memory usage: 28 MB<br />16:21:41 Peak memory usage: 31 MB<br />16:21:41 Done writing file<br />File has been created in /var/www/html/laravel/vendor/phpoffice/phpexcel/Examples<br />