02:22:11 Enable Cell Caching using MemoryGZip method<br />02:22:11 Create new PHPExcel object<br />02:22:11 Set properties<br />02:22:11 Add data<br />02:22:11 Hide 'Phone' and 'fax' columns<br />02:22:11 Set outline levels<br />02:22:11 Freeze panes<br />02:22:11 Rows to repeat at top<br />02:22:14 Write to Excel2007 format<br />02:22:18 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7716 seconds<br />02:22:18 Current memory usage: 23.75 MB<br />02:22:18 Peak memory usage: 26.75 MB<br />02:22:18 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />