19:36:27 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0393 seconds<br />19:36:27 Current memory usage: 4.75 MB<br />19:36:27 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0033 seconds<br />19:36:27 Current memory usage: 4.75 MB<br />19:36:27 Write to Excel2007 format<br />19:36:27 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0113 seconds<br />19:36:27 Current memory usage: 7 MB<br />19:36:27 Peak memory usage: 7 MB<br />19:36:27 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />