21:04:10 Enable Cell Caching using MemoryGZip method<br />21:04:10 Create new PHPExcel object<br />21:04:10 Set properties<br />21:04:10 Add data<br />21:04:10 Hide 'Phone' and 'fax' columns<br />21:04:10 Set outline levels<br />21:04:10 Freeze panes<br />21:04:10 Rows to repeat at top<br />21:04:10 Write to Excel2007 format<br />21:04:11 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6928 seconds<br />21:04:11 Current memory usage: 24 MB<br />21:04:11 Peak memory usage: 28 MB<br />21:04:11 Done writing file<br />File has been created in /var/www/html/elite-telabastagan/vendor/phpoffice/phpexcel/Examples<br />