16:15:34 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0669 seconds<br />16:15:35 Current memory usage: 4 MB<br />16:15:35 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0021 seconds<br />16:15:35 Current memory usage: 4 MB<br />16:15:35 Write to Excel2007 format<br />16:15:35 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0370 seconds<br />16:15:35 Current memory usage: 6 MB<br />16:15:35 Peak memory usage: 6 MB<br />16:15:35 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />