04:43:30 Enable Cell Caching using MemoryGZip method
04:43:30 Create new PHPExcel object
04:43:30 Set properties
04:43:30 Add data
04:43:31 Hide 'Phone' and 'fax' columns
04:43:31 Set outline levels
04:43:31 Freeze panes
04:43:31 Rows to repeat at top
04:43:31 Write to Excel2007 format
04:43:33 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.6181 seconds
04:43:33 Current memory usage: 20 MB
04:43:33 Peak memory usage: 26 MB
04:43:33 Done writing file
File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples