13:49:51 Set timezone
13:49:51 Set value binder
13:49:51 Create new PHPExcel object
13:49:51 Set properties
13:49:51 Set default font
13:49:51 Set column widths
13:49:51 Add some data
13:49:51 Rename sheet
13:49:51 Write to Excel5 format
13:49:51 Peak memory usage: 6.25 MB
13:49:51 Done writing file.