21:47:20 Write to Excel2007 format<br />21:47:20 File written to 33chartcreate-column-2.xlsx<br />21:47:20 Peak memory usage: 4 MB<br />21:47:20 Done writing file<br />File has been created in /home/admision/public_html/POSTGRADO/vendor/phpoffice/phpexcel/Examples<br />