01:08:38 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0356 seconds<br />01:08:38 Current memory usage: 4 MB<br />01:08:38 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0030 seconds<br />01:08:38 Current memory usage: 4 MB<br />01:08:38 Write to Excel2007 format<br />01:08:38 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0162 seconds<br />01:08:38 Current memory usage: 6 MB<br />01:08:38 Peak memory usage: 6 MB<br />01:08:38 Done writing file<br />File has been created in /var/www/html/elite-umingan/vendor/phpoffice/phpexcel/Examples<br />