21:17:17 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0606 seconds<br />21:17:18 Current memory usage: 12 MB<br />21:17:18 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0032 seconds<br />21:17:18 Current memory usage: 12 MB<br />21:17:18 Write to Excel2007 format<br />21:17:18 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0282 seconds<br />21:17:18 Current memory usage: 12 MB<br />21:17:18 Peak memory usage: 12 MB<br />21:17:18 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />