06:08:53 Enable Cell Caching using MemoryGZip method
06:08:53 Create new PHPExcel object
06:08:53 Set properties
06:08:53 Add data
06:08:53 Hide 'Phone' and 'fax' columns
06:08:53 Set outline levels
06:08:53 Freeze panes
06:08:53 Rows to repeat at top
06:08:55 Write to Excel2007 format
06:08:59 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 4.0909 seconds
06:08:59 Current memory usage: 24 MB
06:08:59 Peak memory usage: 27 MB
06:08:59 Done writing file
File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples