08:40:33 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0176 seconds<br />08:40:33 Current memory usage: 2.25 MB<br />08:40:33 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0072 seconds<br />08:40:33 Current memory usage: 2.25 MB<br />08:40:33 Write to Excel2007 format<br />08:40:33 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0223 seconds<br />08:40:33 Current memory usage: 4.25 MB<br />08:40:33 Peak memory usage: 4.25 MB<br />08:40:33 Done writing file<br />File has been created in /var/www/spstest/vendor/phpoffice/phpexcel/Examples<br />