00:35:25 Write to Excel2007 format<br />00:35:25 File written to 33chartcreate-bar-stacked.xlsx<br />00:35:25 Peak memory usage: 12 MB<br />00:35:25 Done writing file<br />File has been created in /home/ykcomq5/eservices.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />