13:48:32 Write to Excel2007 format<br />13:48:32 File written to 33chartcreate-bar-stacked.xlsx<br />13:48:32 Peak memory usage: 2 MB<br />13:48:32 Done writing file<br />File has been created in /var/www/erp/PHPExcel-1.8.porsi/Examples<br />