22:41:27 Write to Excel2007 format<br />22:41:27 File written to 33chartcreate-column-2.xlsx<br />22:41:27 Peak memory usage: 3.75 MB<br />22:41:27 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />