04:12:04 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0824 seconds<br />04:12:04 Current memory usage: 4 MB<br />04:12:04 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0099 seconds<br />04:12:04 Current memory usage: 4 MB<br />04:12:04 Write to Excel2007 format<br />04:12:04 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0759 seconds<br />04:12:04 Current memory usage: 6 MB<br />04:12:04 Peak memory usage: 6 MB<br />04:12:04 Done writing file<br />File has been created in E:\item\doctor\vendor\phpoffice\phpexcel\Examples<br />