14:08:03 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0329 seconds<br />14:08:03 Current memory usage: 4.75 MB<br />14:08:03 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0038 seconds<br />14:08:03 Current memory usage: 4.75 MB<br />14:08:03 Write to Excel2007 format<br />14:08:03 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0156 seconds<br />14:08:03 Current memory usage: 7 MB<br />14:08:03 Peak memory usage: 7 MB<br />14:08:03 Done writing file<br />File has been created in /var/www/dolphin_022825/vendor/phpoffice/phpexcel/Examples<br />