15:03:06 Create new PHPExcel object
15:03:06 Set document properties
15:03:06 Add some data
15:03:06 Set header/footer
15:03:06 Add a drawing to the header
15:03:06 Set page orientation and size
15:03:06 Rename worksheet
15:03:06 Write to Excel2007 format
15:03:06 File written to 04printing.xlsx
Call time to write Workbook was 0.0420 seconds
15:03:06 Current memory usage: 6 MB
15:03:06 Write to Excel5 format
15:03:06 File written to 04printing.xls
Call time to write Workbook was 0.0483 seconds
15:03:06 Current memory usage: 8 MB
15:03:06 Peak memory usage: 8 MB
15:03:06 Done writing files
Files have been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples