07:30:51 Write to Excel2007 format<br />07:30:51 File written to 33chartcreate-column-2.xlsx<br />07:30:51 Peak memory usage: 5.25 MB<br />07:30:51 Done writing file<br />File has been created in C:\phpEnv\www\wft\php\export\PHPExcel\Examples<br />