16:04:20 Write to Excel2007 format<br />16:04:20 File written to 33chartcreate-line.xlsx<br />16:04:20 Peak memory usage: 6 MB<br />16:04:20 Done writing file<br />File has been created in /home/fasttech/gymbrain.fasttechsoft.com/vendor/phpoffice/phpexcel/Examples<br />