18:47:02 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0121 seconds<br />18:47:02 Current memory usage: 2 MB<br />18:47:02 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0028 seconds<br />18:47:02 Current memory usage: 2 MB<br />18:47:02 Write to Excel2007 format<br />18:47:02 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0151 seconds<br />18:47:02 Current memory usage: 4 MB<br />18:47:02 Peak memory usage: 4 MB<br />18:47:02 Done writing file<br />File has been created in /var/www/html/elite-tuba/vendor/phpoffice/phpexcel/Examples<br />