18:40:48 Write to Excel2007 format<br />18:40:48 File written to 33chartcreate-bar-stacked.xlsx<br />18:40:48 Peak memory usage: 2 MB<br />18:40:48 Done writing file<br />File has been created in /var/www/html/vavai-email-verify/PHPExcel/Examples<br />