12:15:29 Create new PHPExcel object
12:15:29 Set document properties
12:15:29 Add some data
12:15:29 Rename worksheet
12:15:29 Write to Excel2007 format
12:15:29 File written to 42richText.xlsx
Call time to write Workbook was 0.0473 seconds
12:15:29 Current memory usage: 6 MB
12:15:29 Write to Excel5 format
12:15:29 File written to 42richText.xls
Call time to write Workbook was 0.0206 seconds
12:15:29 Current memory usage: 6 MB
12:15:29 Peak memory usage: 6 MB
12:15:29 Done writing files
Files have been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples