00:34:17 Write to Excel2007 format<br />00:34:17 File written to 33chartcreate-column.xlsx<br />00:34:17 Peak memory usage: 2 MB<br />00:34:17 Done writing file<br />File has been created in /home/fasttech/gymbrain.fasttechsoft.com/vendor/phpoffice/phpexcel/Examples<br />