16:39:11 Write to Excel2007 format<br />16:39:11 File written to 33chartcreate-scatter.xlsx<br />16:39:11 Peak memory usage: 6 MB<br />16:39:11 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />