12:07:57 Load from Excel2007 file<br />Call time to read Workbook was 0.0947 seconds<br />12:07:57 Current memory usage: 4 MB<br />12:07:57 Write to Excel2007 format<br />12:07:57 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0478 seconds<br />12:07:57 Current memory usage: 6 MB<br />12:07:57 Peak memory usage: 6 MB<br />12:07:57 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />