01:21:34 Enable Cell Caching using MemoryGZip method<br />01:21:34 Create new PHPExcel object<br />01:21:34 Set properties<br />01:21:34 Add data<br />01:21:34 Hide 'Phone' and 'fax' columns<br />01:21:34 Set outline levels<br />01:21:34 Freeze panes<br />01:21:34 Rows to repeat at top<br />01:21:36 Write to Excel2007 format<br />01:21:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.9886 seconds<br />01:21:40 Current memory usage: 23.75 MB<br />01:21:40 Peak memory usage: 26.75 MB<br />01:21:40 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />