10:24:52 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0429 seconds<br />10:24:52 Current memory usage: 4.75 MB<br />10:24:52 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0062 seconds<br />10:24:52 Current memory usage: 4.75 MB<br />10:24:52 Write to Excel2007 format<br />10:24:52 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0205 seconds<br />10:24:52 Current memory usage: 7 MB<br />10:24:52 Peak memory usage: 7 MB<br />10:24:52 Done writing file<br />File has been created in /var/www/spstest/vendor/phpoffice/phpexcel/Examples<br />