21:39:59 Enable Cell Caching using MemoryGZip method<br />21:39:59 Create new PHPExcel object<br />21:39:59 Set properties<br />21:39:59 Add data<br />21:39:59 Hide 'Phone' and 'fax' columns<br />21:39:59 Set outline levels<br />21:39:59 Freeze panes<br />21:39:59 Rows to repeat at top<br />21:40:00 Write to Excel2007 format<br />21:40:02 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0814 seconds<br />21:40:02 Current memory usage: 12 MB<br />21:40:02 Peak memory usage: 16 MB<br />21:40:02 Done writing file<br />File has been created in /var/www/html/IDEE/vendor/phpoffice/phpexcel/Examples<br />