13:13:37 Create new PHPExcel object
13:13:37 Set document properties
13:13:37 Add some data
13:13:37 Rename worksheet
13:13:37 Write to Excel2007 format
13:13:37 File written to /var/www/html/Classes/Tests/01simple.xlsx
13:13:37 Peak memory usage: 1.5 MB
13:13:37 Done writing file