21:08:54 Write to Excel2007 format<br />21:08:54 File written to 33chartcreate-column.xlsx<br />21:08:54 Peak memory usage: 5.5 MB<br />21:08:54 Done writing file<br />File has been created in /home/sanikids/public_html/sisprueba/API/vendor/phpoffice/phpexcel/Examples<br />