19:43:20 Write to Excel2007 format<br />19:43:20 File written to 33chartcreate-line.xlsx<br />19:43:20 Peak memory usage: 6.5 MB<br />19:43:20 Done writing file<br />File has been created in /var/www/dolphinJuly25/dolphin/vendor/phpoffice/phpexcel/Examples<br />