12:05:24 Write to Excel2007 format<br />12:05:24 File written to 33chartcreate-column-2.xlsx<br />12:05:24 Peak memory usage: 2 MB<br />12:05:24 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />