18:42:43 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0119 seconds<br />18:42:43 Current memory usage: 1.5 MB<br />18:42:43 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0048 seconds<br />18:42:43 Current memory usage: 1.5 MB<br />18:42:43 Write to Excel2007 format<br />18:42:43 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0124 seconds<br />18:42:43 Current memory usage: 1.75 MB<br />18:42:43 Peak memory usage: 1.75 MB<br />18:42:43 Done writing file<br />File has been created in /var/www/html/onswitch.neon.service/vendor/phpoffice/phpexcel/Examples<br />