18:28:33 Enable Cell Caching using MemoryGZip method
18:28:33 Create new PHPExcel object
18:28:33 Set properties
18:28:33 Add data
18:28:33 Hide 'Phone' and 'fax' columns
18:28:33 Set outline levels
18:28:33 Freeze panes
18:28:33 Rows to repeat at top
18:28:34 Write to Excel2007 format
18:28:36 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2071 seconds
18:28:36 Current memory usage: 24 MB
18:28:36 Peak memory usage: 30 MB
18:28:36 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples