12:12:57 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0564 seconds<br />12:12:57 Current memory usage: 4.5 MB<br />12:12:57 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0057 seconds<br />12:12:57 Current memory usage: 4.75 MB<br />12:12:57 Write to Excel2007 format<br />12:12:57 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0310 seconds<br />12:12:57 Current memory usage: 6.75 MB<br />12:12:57 Peak memory usage: 6.75 MB<br />12:12:57 Done writing file<br />File has been created in D:\wwwroot\food\vendor\phpoffice\phpexcel\Examples<br />