00:20:19 Enable Cell Caching using MemoryGZip method
00:20:19 Create new PHPExcel object
00:20:19 Set properties
00:20:19 Add data
00:20:19 Hide 'Phone' and 'fax' columns
00:20:19 Set outline levels
00:20:19 Freeze panes
00:20:19 Rows to repeat at top
00:20:20 Write to Excel2007 format
00:20:22 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2581 seconds
00:20:22 Current memory usage: 24 MB
00:20:22 Peak memory usage: 30 MB
00:20:22 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples