01:07:51 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0279 seconds<br />01:07:51 Current memory usage: 2 MB<br />01:07:51 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0031 seconds<br />01:07:51 Current memory usage: 2 MB<br />01:07:51 Write to Excel2007 format<br />01:07:51 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0134 seconds<br />01:07:51 Current memory usage: 4 MB<br />01:07:51 Peak memory usage: 4 MB<br />01:07:51 Done writing file<br />File has been created in /home/boapp/public_html/vendor/phpoffice/phpexcel/Examples<br />