18:51:29 Write to Excel2007 format<br />18:51:29 File written to 33chartcreate-bar-stacked.xlsx<br />18:51:29 Peak memory usage: 6 MB<br />18:51:29 Done writing file<br />File has been created in /var/www/html/elite-san-francisco/vendor/phpoffice/phpexcel/Examples<br />