21:00:25 Enable Cell Caching using MemoryGZip method<br />21:00:25 Create new PHPExcel object<br />21:00:25 Set properties<br />21:00:25 Add data<br />21:00:25 Hide 'Phone' and 'fax' columns<br />21:00:25 Set outline levels<br />21:00:25 Freeze panes<br />21:00:25 Rows to repeat at top<br />21:00:27 Write to Excel2007 format<br />21:00:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8699 seconds<br />21:00:31 Current memory usage: 24 MB<br />21:00:31 Peak memory usage: 27 MB<br />21:00:31 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />