23:32:17 Write to Excel2007 format<br />23:32:17 File written to 33chartcreate-bar-stacked.xlsx<br />23:32:17 Peak memory usage: 1.5 MB<br />23:32:17 Done writing file<br />File has been created in /flex/storage/here.tf/site/www/res/scripts/php/PHPExcel/Examples<br />