22:05:23 Enable Cell Caching using MemoryGZip method<br />22:05:23 Create new PHPExcel object<br />22:05:23 Set properties<br />22:05:23 Add data<br />22:05:23 Hide 'Phone' and 'fax' columns<br />22:05:23 Set outline levels<br />22:05:23 Freeze panes<br />22:05:23 Rows to repeat at top<br />22:05:25 Write to Excel2007 format<br />22:05:30 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.5713 seconds<br />22:05:30 Current memory usage: 26.75 MB<br />22:05:30 Peak memory usage: 30 MB<br />22:05:30 Done writing file<br />File has been created in /var/www/html/gestion_dls_laravel/vendor/phpoffice/phpexcel/Examples<br />