Flow\Helper::capitalize PHP Method

    public static function capitalize($obj)
    {
        return ucfirst(strval($obj));
    }

 public function test_capitalize()
 {
     $this->assertEquals('Abc', Helper::capitalize('abc'));
     $this->assertEquals('AbC', Helper::capitalize('AbC'));
     $this->assertEquals('A1C', Helper::capitalize('a1C'));
 }