01:23:46 Enable Cell Caching using MemoryGZip method<br />01:23:46 Create new PHPExcel object<br />01:23:46 Set properties<br />01:23:46 Add data<br />01:23:46 Hide 'Phone' and 'fax' columns<br />01:23:46 Set outline levels<br />01:23:46 Freeze panes<br />01:23:46 Rows to repeat at top<br />01:23:46 Write to Excel2007 format<br />01:23:48 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4325 seconds<br />01:23:48 Current memory usage: 20 MB<br />01:23:48 Peak memory usage: 26 MB<br />01:23:48 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo-new/vendor/phpoffice/phpexcel/Examples<br />