18:23:10 Write to Excel2007 format<br />18:23:10 File written to 33chartcreate-scatter.xlsx<br />18:23:10 Peak memory usage: 4 MB<br />18:23:10 Done writing file<br />File has been created in /home/fasttech/gymbrain.fasttechsoft.com/vendor/phpoffice/phpexcel/Examples<br />