16:16:14 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0273 seconds<br />16:16:14 Current memory usage: 4.75 MB<br />16:16:14 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0042 seconds<br />16:16:14 Current memory usage: 4.75 MB<br />16:16:14 Write to Excel2007 format<br />16:16:14 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0183 seconds<br />16:16:14 Current memory usage: 7 MB<br />16:16:14 Peak memory usage: 7 MB<br />16:16:14 Done writing file<br />File has been created in /var/www/html/duhasyariah/vendor/phpoffice/phpexcel/Examples<br />