14:04:50 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0187 seconds<br />14:04:50 Current memory usage: 4 MB<br />14:04:50 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0018 seconds<br />14:04:50 Current memory usage: 4 MB<br />14:04:50 Write to Excel2007 format<br />14:04:50 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0107 seconds<br />14:04:50 Current memory usage: 6 MB<br />14:04:50 Peak memory usage: 6 MB<br />14:04:50 Done writing file<br />File has been created in /var/www/html/admin/vendor/phpoffice/phpexcel/Examples<br />