15:46:56 Enable Cell Caching using MemoryGZip method
15:46:56 Create new PHPExcel object
15:46:56 Set properties
15:46:56 Add data
15:46:56 Hide 'Phone' and 'fax' columns
15:46:56 Set outline levels
15:46:56 Freeze panes
15:46:56 Rows to repeat at top
15:46:57 Write to Excel2007 format
15:46:59 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2301 seconds
15:46:59 Current memory usage: 24 MB
15:46:59 Peak memory usage: 30 MB
15:46:59 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples