public function set(string $str): self
    {
        $this->str = $this->inputConv($str);

        return $this;
    }
public function set(string $str): self
    {
        $this->str = $this->inputConv($str);

        return $this;
    }
public function set ( string $ str ) : self { $ this -> str = $ this -> inputConv ( $ str ) ; return $ this ; }
The string setter.

@param string $str the string

@return self
The string setter .