19:56:09 Enable Cell Caching using MemoryGZip method<br />19:56:09 Create new PHPExcel object<br />19:56:09 Set properties<br />19:56:09 Add data<br />19:56:09 Hide 'Phone' and 'fax' columns<br />19:56:09 Set outline levels<br />19:56:09 Freeze panes<br />19:56:09 Rows to repeat at top<br />19:56:09 Write to Excel2007 format<br />19:56:11 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6403 seconds<br />19:56:11 Current memory usage: 2 MB<br />19:56:11 Peak memory usage: 2 MB<br />19:56:11 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />