13:03:30 Enable Cell Caching using MemoryGZip method<br />13:03:30 Create new PHPExcel object<br />13:03:30 Set properties<br />13:03:30 Add data<br />13:03:31 Hide 'Phone' and 'fax' columns<br />13:03:31 Set outline levels<br />13:03:31 Freeze panes<br />13:03:31 Rows to repeat at top<br />13:03:33 Write to Excel2007 format<br />13:03:36 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7807 seconds<br />13:03:36 Current memory usage: 24 MB<br />13:03:36 Peak memory usage: 27 MB<br />13:03:36 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />