21:13:03 Enable Cell Caching using MemoryGZip method<br />21:13:03 Create new PHPExcel object<br />21:13:03 Set properties<br />21:13:03 Add data<br />21:13:03 Hide 'Phone' and 'fax' columns<br />21:13:03 Set outline levels<br />21:13:03 Freeze panes<br />21:13:03 Rows to repeat at top<br />21:13:04 Write to Excel2007 format<br />21:13:06 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6159 seconds<br />21:13:06 Current memory usage: 27.25 MB<br />21:13:06 Peak memory usage: 31 MB<br />21:13:06 Done writing file<br />File has been created in /var/www/html/demobehappy/mbinv/vendor/phpoffice/phpexcel/Examples<br />