23:12:22 Write to Excel2007 format<br />23:12:23 File written to 33chartcreate-bar-stacked.xlsx<br />23:12:23 Peak memory usage: 5.75 MB<br />23:12:23 Done writing file<br />File has been created in /var/www/html/gae/root/plugins/phpexcel/1_8_0/Examples<br />