14:05:28 Enable Cell Caching using MemoryGZip method<br />14:05:28 Create new PHPExcel object<br />14:05:28 Set properties<br />14:05:28 Add data<br />14:05:28 Hide 'Phone' and 'fax' columns<br />14:05:28 Set outline levels<br />14:05:28 Freeze panes<br />14:05:28 Rows to repeat at top<br />14:05:29 Write to Excel2007 format<br />14:05:33 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.2951 seconds<br />14:05:33 Current memory usage: 26.75 MB<br />14:05:33 Peak memory usage: 30 MB<br />14:05:33 Done writing file<br />File has been created in /var/www/html/gestion_dls_laravel/vendor/phpoffice/phpexcel/Examples<br />