08:19:41 Enable Cell Caching using MemoryGZip method<br />08:19:41 Create new PHPExcel object<br />08:19:41 Set properties<br />08:19:41 Add data<br />08:19:41 Hide 'Phone' and 'fax' columns<br />08:19:41 Set outline levels<br />08:19:41 Freeze panes<br />08:19:41 Rows to repeat at top<br />08:19:41 Write to Excel2007 format<br />08:19:43 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4695 seconds<br />08:19:43 Current memory usage: 18 MB<br />08:19:43 Peak memory usage: 24 MB<br />08:19:43 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />