18:29:37 Write to Excel2007 format<br />18:29:37 File written to 33chartcreate-column-2.xlsx<br />18:29:37 Peak memory usage: 4 MB<br />18:29:37 Done writing file<br />File has been created in /var/www/html/elite-caba/vendor/phpoffice/phpexcel/Examples<br />