19:12:54 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0053 seconds<br />19:12:54 Current memory usage: 2 MB<br />19:12:54 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0020 seconds<br />19:12:54 Current memory usage: 2 MB<br />19:12:54 Write to Excel2007 format<br />19:12:54 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0040 seconds<br />19:12:54 Current memory usage: 2 MB<br />19:12:54 Peak memory usage: 2 MB<br />19:12:54 Done writing file<br />File has been created in /home/kayako/public_html/vendor/phpoffice/phpexcel/Examples<br />