13:28:27 Write to Excel2007 format<br />13:28:27 File written to 33chartcreate-bar-stacked.xlsx<br />13:28:27 Peak memory usage: 3.75 MB<br />13:28:27 Done writing file<br />File has been created in /home/capebfrupz/grc/www/libraries-php/PHPExcel/Examples<br />