08:25:18 Enable Cell Caching using MemoryGZip method<br />08:25:18 Create new PHPExcel object<br />08:25:18 Set properties<br />08:25:18 Add data<br />08:25:18 Hide 'Phone' and 'fax' columns<br />08:25:18 Set outline levels<br />08:25:18 Freeze panes<br />08:25:18 Rows to repeat at top<br />08:25:19 Write to Excel2007 format<br />08:25:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.2074 seconds<br />08:25:20 Current memory usage: 22 MB<br />08:25:20 Peak memory usage: 26 MB<br />08:25:20 Done writing file<br />File has been created in /var/www/html/add/jhyj/laravel/vendor/phpoffice/phpexcel/Examples<br />