21:13:15 Load from Excel2007 file<br />Call time to read Workbook was 0.0232 seconds<br />21:13:15 Current memory usage: 4 MB<br />21:13:15 Write to Excel2007 format<br />21:13:15 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0154 seconds<br />21:13:15 Current memory usage: 6 MB<br />21:13:15 Peak memory usage: 6 MB<br />21:13:15 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />