21:02:41 Enable Cell Caching using MemoryGZip method<br />21:02:41 Create new PHPExcel object<br />21:02:41 Set properties<br />21:02:41 Add data<br />21:02:41 Hide 'Phone' and 'fax' columns<br />21:02:41 Set outline levels<br />21:02:41 Freeze panes<br />21:02:41 Rows to repeat at top<br />21:02:42 Write to Excel2007 format<br />21:02:43 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.9745 seconds<br />21:02:43 Current memory usage: 20 MB<br />21:02:43 Peak memory usage: 26 MB<br />21:02:43 Done writing file<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />