21:03:03 Load workbook from Excel5 file<br />Call time to load Workbook was 0.0570 seconds<br />21:03:03 Current memory usage: 6 MB<br />21:03:03 Write to Excel2007 format<br />21:03:03 File written to 20readexcel5.xlsx<br />Call time to write Workbook was 0.0174 seconds<br />21:03:03 Current memory usage: 8 MB<br />21:03:03 Peak memory usage: 8 MB<br />21:03:03 Done reading file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />