16:38:09 Write to Excel2007 format<br />16:38:09 File written to 33chartcreate-column.xlsx<br />16:38:09 Peak memory usage: 1.5 MB<br />16:38:09 Done writing file<br />File has been created in /home/factovizjh/podcast/vendor/phpoffice/phpexcel/Examples<br />