02:37:07 Write to Excel2007 format<br />02:37:07 File written to 33chartcreate-column.xlsx<br />02:37:07 Peak memory usage: 6 MB<br />02:37:07 Done writing file<br />File has been created in /home/ykcomq5/eservices.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />