13:02:48 Enable Cell Caching using MemoryGZip method
13:02:48 Create new PHPExcel object
13:02:48 Set properties
13:02:48 Add data
13:02:48 Hide 'Phone' and 'fax' columns
13:02:48 Set outline levels
13:02:48 Freeze panes
13:02:48 Rows to repeat at top
13:02:49 Write to Excel2007 format
13:02:51 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.1909 seconds
13:02:51 Current memory usage: 24 MB
13:02:51 Peak memory usage: 30 MB
13:02:51 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples