15:12:04 Create new PHPExcel object
15:12:04 Set document properties
15:12:04 Add some data
15:12:04 Write to Excel2007 format
15:12:04 File written to 22heavilyformatted.xlsx
Call time to write Workbook was 0.0687 seconds
15:12:04 Current memory usage: 4 MB
15:12:04 Write to Excel5 format
15:12:04 File written to 22heavilyformatted.xls
Call time to write Workbook was 0.0493 seconds
15:12:04 Current memory usage: 6 MB
15:12:04 Peak memory usage: 6 MB
15:12:04 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples