12:37:30 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0365 seconds<br />12:37:30 Current memory usage: 4 MB<br />12:37:30 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0016 seconds<br />12:37:30 Current memory usage: 4 MB<br />12:37:30 Write to Excel2007 format<br />12:37:30 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0251 seconds<br />12:37:30 Current memory usage: 6 MB<br />12:37:30 Peak memory usage: 6 MB<br />12:37:30 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />