18:21:26 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0345 seconds<br />18:21:26 Current memory usage: 4 MB<br />18:21:26 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0012 seconds<br />18:21:26 Current memory usage: 4 MB<br />18:21:26 Write to Excel2007 format<br />18:21:26 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0145 seconds<br />18:21:26 Current memory usage: 4 MB<br />18:21:26 Peak memory usage: 4 MB<br />18:21:26 Done writing file<br />File has been created in /home/shopin86/public_html/vendor/phpoffice/phpexcel/Examples<br />