14:05:32 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.1653 seconds<br />14:05:32 Current memory usage: 4 MB<br />14:05:32 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0509 seconds<br />14:05:32 Current memory usage: 4 MB<br />14:05:32 Write to Excel2007 format<br />14:05:32 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0891 seconds<br />14:05:32 Current memory usage: 6 MB<br />14:05:32 Peak memory usage: 6 MB<br />14:05:32 Done writing file<br />File has been created in C:\xampp\htdocs\crm\vendor\phpoffice\phpexcel\Examples<br />