07:30:43 Enable Cell Caching using MemoryGZip method
07:30:43 Create new PHPExcel object
07:30:43 Set properties
07:30:43 Add data
07:30:43 Hide 'Phone' and 'fax' columns
07:30:43 Set outline levels
07:30:43 Freeze panes
07:30:43 Rows to repeat at top
07:30:46 Write to Excel2007 format
07:30:51 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 4.5373 seconds
07:30:51 Current memory usage: 27 MB
07:30:51 Peak memory usage: 30.5 MB
07:30:51 Done writing file
File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples