08:23:39 Enable Cell Caching using MemoryGZip method<br />08:23:39 Create new PHPExcel object<br />08:23:39 Set properties<br />08:23:39 Add data<br />08:23:39 Hide 'Phone' and 'fax' columns<br />08:23:39 Set outline levels<br />08:23:39 Freeze panes<br />08:23:39 Rows to repeat at top<br />08:23:40 Write to Excel2007 format<br />08:23:41 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.2391 seconds<br />08:23:41 Current memory usage: 24 MB<br />08:23:41 Peak memory usage: 28 MB<br />08:23:41 Done writing file<br />File has been created in /var/www/html/add/qilan/laravel/vendor/phpoffice/phpexcel/Examples<br />