14:19:41 Enable Cell Caching using MemoryGZip method
14:19:41 Create new PHPExcel object
14:19:41 Set properties
14:19:41 Add data
14:19:41 Hide 'Phone' and 'fax' columns
14:19:41 Set outline levels
14:19:41 Freeze panes
14:19:41 Rows to repeat at top
14:19:41 Write to Excel2007 format
14:19:44 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2496 seconds
14:19:44 Current memory usage: 24 MB
14:19:44 Peak memory usage: 30 MB
14:19:44 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples