15:01:28 Write to Excel2007 format<br />15:01:28 File written to 33chartcreate-scatter.xlsx<br />15:01:28 Peak memory usage: 4 MB<br />15:01:28 Done writing file<br />File has been created in /home/wtogroup/wtogroup.com/vendor/phpoffice/phpexcel/Examples<br />