01:42:06 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.6002 seconds<br />01:42:07 Current memory usage: 4 MB<br />01:42:07 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0048 seconds<br />01:42:07 Current memory usage: 4 MB<br />01:42:07 Write to Excel2007 format<br />01:42:07 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.3040 seconds<br />01:42:07 Current memory usage: 4 MB<br />01:42:07 Peak memory usage: 4 MB<br />01:42:07 Done writing file<br />File has been created in /home/imevent/public_html/vendor/phpoffice/phpexcel/Examples<br />