21:10:00 Enable Cell Caching using MemoryGZip method<br />21:10:00 Create new PHPExcel object<br />21:10:00 Set properties<br />21:10:00 Add data<br />21:10:00 Hide 'Phone' and 'fax' columns<br />21:10:00 Set outline levels<br />21:10:00 Freeze panes<br />21:10:00 Rows to repeat at top<br />21:10:01 Write to Excel2007 format<br />21:10:03 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.4039 seconds<br />21:10:03 Current memory usage: 27.75 MB<br />21:10:03 Peak memory usage: 30.75 MB<br />21:10:03 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />