18:22:00 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0248 seconds<br />18:22:00 Current memory usage: 4.75 MB<br />18:22:00 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0036 seconds<br />18:22:00 Current memory usage: 4.75 MB<br />18:22:00 Write to Excel2007 format<br />18:22:00 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0138 seconds<br />18:22:00 Current memory usage: 7 MB<br />18:22:00 Peak memory usage: 7 MB<br />18:22:00 Done writing file<br />File has been created in /var/www/loyalworld/vendor/phpoffice/phpexcel/Examples<br />