04:07:53 Enable Cell Caching using MemoryGZip method
04:07:53 Create new PHPExcel object
04:07:53 Set properties
04:07:53 Add data
04:07:53 Hide 'Phone' and 'fax' columns
04:07:53 Set outline levels
04:07:53 Freeze panes
04:07:53 Rows to repeat at top
04:07:55 Write to Excel2007 format
04:07:59 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 3.6294 seconds
04:07:59 Current memory usage: 23.5 MB
04:07:59 Peak memory usage: 26.75 MB
04:07:59 Done writing file
File has been created in /var/www/html/onswitch.neon.service/vendor/phpoffice/phpexcel/Examples