14:37:38 Enable Cell Caching using MemoryGZip method<br />14:37:38 Create new PHPExcel object<br />14:37:38 Set properties<br />14:37:38 Add data<br />14:37:38 Hide 'Phone' and 'fax' columns<br />14:37:38 Set outline levels<br />14:37:38 Freeze panes<br />14:37:38 Rows to repeat at top<br />14:37:39 Write to Excel2007 format<br />14:37:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4403 seconds<br />14:37:40 Current memory usage: 18 MB<br />14:37:40 Peak memory usage: 24 MB<br />14:37:40 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />