00:20:18 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0051 seconds<br />00:20:18 Current memory usage: 1.75 MB<br />00:20:18 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0028 seconds<br />00:20:18 Current memory usage: 1.75 MB<br />00:20:18 Write to Excel2007 format<br />00:20:18 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0044 seconds<br />00:20:18 Current memory usage: 2 MB<br />00:20:18 Peak memory usage: 2 MB<br />00:20:18 Done writing file<br />File has been created in /var/www/html/duhasyariah/vendor/phpoffice/phpexcel/Examples<br />