14:11:22 Write to Excel2007 format<br />14:11:22 File written to 33chartcreate-column.xlsx<br />14:11:22 Peak memory usage: 12 MB<br />14:11:22 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />