08:25:47 Enable Cell Caching using MemoryGZip method<br />08:25:47 Create new PHPExcel object<br />08:25:47 Set properties<br />08:25:47 Add data<br />08:25:47 Hide 'Phone' and 'fax' columns<br />08:25:47 Set outline levels<br />08:25:47 Freeze panes<br />08:25:47 Rows to repeat at top<br />08:25:48 Write to Excel2007 format<br />08:25:50 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4832 seconds<br />08:25:50 Current memory usage: 24 MB<br />08:25:50 Peak memory usage: 28 MB<br />08:25:50 Done writing file<br />File has been created in /var/www/html/add/jiamei/laravel/vendor/phpoffice/phpexcel/Examples<br />