21:12:55 Load from Excel2007 file<br />Call time to read Workbook was 0.0649 seconds<br />21:12:55 Current memory usage: 4 MB<br />21:12:55 Write to Excel2007 format<br />21:12:55 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0322 seconds<br />21:12:55 Current memory usage: 6 MB<br />21:12:55 Peak memory usage: 6 MB<br />21:12:55 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />