21:37:14 Load workbook from Excel5 file<br />Call time to load Workbook was 0.0202 seconds<br />21:37:14 Current memory usage: 4 MB<br />21:37:14 Write to Excel2007 format<br />21:37:14 File written to 20readexcel5.xlsx<br />Call time to write Workbook was 0.0152 seconds<br />21:37:14 Current memory usage: 6 MB<br />21:37:14 Peak memory usage: 6 MB<br />21:37:14 Done reading file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />