09:51:49 Enable Cell Caching using MemoryGZip method<br />09:51:49 Create new PHPExcel object<br />09:51:49 Set properties<br />09:51:49 Add data<br />09:51:49 Hide 'Phone' and 'fax' columns<br />09:51:49 Set outline levels<br />09:51:49 Freeze panes<br />09:51:49 Rows to repeat at top<br />09:51:52 Write to Excel2007 format<br />09:51:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7662 seconds<br />09:51:55 Current memory usage: 23.5 MB<br />09:51:55 Peak memory usage: 26.75 MB<br />09:51:55 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />