21:15:09 Write to Excel2007 format<br />21:15:09 File written to 33chartcreate-line.xlsx<br />21:15:09 Peak memory usage: 4 MB<br />21:15:09 Done writing file<br />File has been created in /var/www/customs_huizhida_v2/vendor/phpoffice/phpexcel/Examples<br />