08:13:14 Write to Excel2007 format<br />08:13:14 File written to 33chartcreate-bar.xlsx<br />08:13:14 Peak memory usage: 2 MB<br />08:13:14 Done writing file<br />File has been created in /home/fasttech/gymbrain.fasttechsoft.com/vendor/phpoffice/phpexcel/Examples<br />