23:33:22 Load from Excel2007 file<br />Call time to read Workbook was 0.0537 seconds<br />23:33:22 Current memory usage: 2 MB<br />23:33:22 Write to Excel2007 format<br />23:33:22 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0314 seconds<br />23:33:22 Current memory usage: 4 MB<br />23:33:22 Peak memory usage: 4 MB<br />23:33:22 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />