04:20:31 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.7118 seconds<br />04:20:31 Current memory usage: 4.5 MB<br />04:20:31 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0425 seconds<br />04:20:31 Current memory usage: 4.75 MB<br />04:20:31 Write to Excel2007 format<br />04:20:32 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.7548 seconds<br />04:20:32 Current memory usage: 6.75 MB<br />04:20:32 Peak memory usage: 6.75 MB<br />04:20:32 Done writing file<br />File has been created in D:\xampp\htdocs\dmmc\vendor\phpoffice\phpexcel\Examples<br />