15:21:09 Write to Excel2007 format<br />15:21:09 File written to 33chartcreate-stock.xlsx<br />15:21:09 Peak memory usage: 6 MB<br />15:21:09 Done writing file<br />File has been created in /home/fasttech/gymbrain.fasttechsoft.com/vendor/phpoffice/phpexcel/Examples<br />