10:04:23 Write to Excel2007 format<br />10:04:23 File written to 33chartcreate-bar-stacked.xlsx<br />10:04:23 Peak memory usage: 4 MB<br />10:04:23 Done writing file<br />File has been created in D:\phpStudy\WWW\newfile\newExcel2\PHPExcel\Examples<br />