14:44:15 Write to Excel2007 format<br />14:44:15 File written to 33chartcreate-column.xlsx<br />14:44:15 Peak memory usage: 4 MB<br />14:44:15 Done writing file<br />File has been created in /home/admision/public_html/POSTGRADO/vendor/phpoffice/phpexcel/Examples<br />