11:45:09 Write to Excel2007 format<br />11:45:09 File written to 33chartcreate-column.xlsx<br />11:45:09 Peak memory usage: 7.5 MB<br />11:45:09 Done writing file<br />File has been created in D:\wamp2.5\www\biochemgroup.net\System\Extend\Vendor\PHPExcel\Examples<br />