11:54:58 Enable Cell Caching using MemoryGZip method<br />11:54:58 Create new PHPExcel object<br />11:54:58 Set properties<br />11:54:58 Add data<br />11:54:58 Hide 'Phone' and 'fax' columns<br />11:54:58 Set outline levels<br />11:54:58 Freeze panes<br />11:54:58 Rows to repeat at top<br />11:54:59 Write to Excel2007 format<br />11:55:00 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5544 seconds<br />11:55:00 Current memory usage: 24 MB<br />11:55:00 Peak memory usage: 28 MB<br />11:55:00 Done writing file<br />File has been created in /var/www/laravel-wms/vendor/phpoffice/phpexcel/Examples<br />