02:48:42 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.5221 seconds<br />02:48:43 Current memory usage: 4 MB<br />02:48:43 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0158 seconds<br />02:48:43 Current memory usage: 4 MB<br />02:48:43 Write to Excel2007 format<br />02:48:43 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0334 seconds<br />02:48:43 Current memory usage: 6 MB<br />02:48:43 Peak memory usage: 6 MB<br />02:48:43 Done writing file<br />File has been created in C:\xampp\htdocs\backend\vendor\phpoffice\phpexcel\Examples<br />