04:00:02 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0026 seconds<br />04:00:02 Current memory usage: 2 MB<br />04:00:02 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0009 seconds<br />04:00:02 Current memory usage: 2 MB<br />04:00:02 Write to Excel2007 format<br />04:00:02 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0013 seconds<br />04:00:02 Current memory usage: 2 MB<br />04:00:02 Peak memory usage: 2 MB<br />04:00:02 Done writing file<br />File has been created in /var/www/rh/vendor/phpoffice/phpexcel/Examples<br />