21:00:25 Enable Cell Caching using MemoryGZip method
21:00:25 Create new PHPExcel object
21:00:25 Set properties
21:00:25 Add data
21:00:25 Hide 'Phone' and 'fax' columns
21:00:25 Set outline levels
21:00:25 Freeze panes
21:00:25 Rows to repeat at top
21:00:27 Write to Excel2007 format
21:00:31 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 3.8699 seconds
21:00:31 Current memory usage: 24 MB
21:00:31 Peak memory usage: 27 MB
21:00:31 Done writing file
File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples