22:08:06 Enable Cell Caching using MemoryGZip method
22:08:06 Create new PHPExcel object
22:08:06 Set properties
22:08:06 Add data
22:08:06 Hide 'Phone' and 'fax' columns
22:08:06 Set outline levels
22:08:06 Freeze panes
22:08:06 Rows to repeat at top
22:08:10 Write to Excel2007 format
22:08:15 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 4.8203 seconds
22:08:15 Current memory usage: 24 MB
22:08:15 Peak memory usage: 27 MB
22:08:15 Done writing file
File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples