02:29:34 Write to Excel2007 format<br />02:29:34 File written to 33chartcreate-bar-stacked.xlsx<br />02:29:34 Peak memory usage: 6 MB<br />02:29:34 Done writing file<br />File has been created in /home/ebek/englishexpert_ebek_in/mis/include/PHPExcel/Examples<br />