19:03:08 Write to Excel2007 format<br />19:03:08 File written to 33chartcreate-column.xlsx<br />19:03:08 Peak memory usage: 6 MB<br />19:03:08 Done writing file<br />File has been created in /home/invista/public_html/soporteti/vendor/phpoffice/phpexcel/Examples<br />