09:18:55 Enable Cell Caching using MemoryGZip method
09:18:55 Create new PHPExcel object
09:18:55 Set properties
09:18:55 Add data
09:18:55 Hide 'Phone' and 'fax' columns
09:18:55 Set outline levels
09:18:55 Freeze panes
09:18:55 Rows to repeat at top
09:18:57 Write to Excel2007 format
09:18:58 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.7389 seconds
09:18:58 Current memory usage: 27 MB
09:18:58 Peak memory usage: 30 MB
09:18:58 Done writing file
File has been created in /home/www/mavensolutions.net/metro_tax/vendor/phpoffice/phpexcel/Examples