22:58:17 Enable Cell Caching using MemoryGZip method
22:58:17 Create new PHPExcel object
22:58:17 Set properties
22:58:17 Add data
22:58:17 Hide 'Phone' and 'fax' columns
22:58:17 Set outline levels
22:58:17 Freeze panes
22:58:17 Rows to repeat at top
22:58:20 Write to Excel2007 format
22:58:24 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 4.0744 seconds
22:58:24 Current memory usage: 23.75 MB
22:58:24 Peak memory usage: 26.75 MB
22:58:24 Done writing file
File has been created in /var/www/html/onswitch.neon.service/vendor/phpoffice/phpexcel/Examples