20:01:30 Load from Excel2007 file<br />Call time to read Workbook was 0.1250 seconds<br />20:01:31 Current memory usage: 4 MB<br />20:01:31 Write to Excel2007 format<br />20:01:31 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0324 seconds<br />20:01:31 Current memory usage: 6 MB<br />20:01:31 Peak memory usage: 6 MB<br />20:01:31 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />