12:08:56 Enable Cell Caching using MemoryGZip method<br />12:08:56 Create new PHPExcel object<br />12:08:56 Set properties<br />12:08:56 Add data<br />12:08:56 Hide 'Phone' and 'fax' columns<br />12:08:56 Set outline levels<br />12:08:56 Freeze panes<br />12:08:56 Rows to repeat at top<br />12:08:57 Write to Excel2007 format<br />12:08:58 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5211 seconds<br />12:08:58 Current memory usage: 20 MB<br />12:08:58 Peak memory usage: 26 MB<br />12:08:58 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo-new/vendor/phpoffice/phpexcel/Examples<br />