22:23:19 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0128 seconds<br />22:23:19 Current memory usage: 1.25 MB<br />22:23:19 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0054 seconds<br />22:23:19 Current memory usage: 1.5 MB<br />22:23:19 Write to Excel2007 format<br />22:23:19 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0110 seconds<br />22:23:19 Current memory usage: 1.75 MB<br />22:23:19 Peak memory usage: 1.75 MB<br />22:23:19 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />