18:22:55 Enable Cell Caching using MemoryGZip method<br />18:22:55 Create new PHPExcel object<br />18:22:55 Set properties<br />18:22:55 Add data<br />18:22:55 Hide 'Phone' and 'fax' columns<br />18:22:55 Set outline levels<br />18:22:55 Freeze panes<br />18:22:55 Rows to repeat at top<br />18:22:56 Write to Excel2007 format<br />18:22:57 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4319 seconds<br />18:22:57 Current memory usage: 10 MB<br />18:22:57 Peak memory usage: 16 MB<br />18:22:57 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />