13:46:04 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.2695 seconds<br />13:46:05 Current memory usage: 4.75 MB<br />13:46:05 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0554 seconds<br />13:46:05 Current memory usage: 4.75 MB<br />13:46:05 Write to Excel2007 format<br />13:46:05 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.2613 seconds<br />13:46:05 Current memory usage: 7 MB<br />13:46:05 Peak memory usage: 7 MB<br />13:46:05 Done writing file<br />File has been created in /var/www/kd/vendor/phpoffice/phpexcel/Examples<br />