public function getParameters()
    {
        $types = array();
        foreach ($this->_parameters as $parameter) {
            $types[] = $parameter->getType();
        }
        return $types;
    }
public function getParameters()
    {
        $types = array();
        foreach ($this->_parameters as $parameter) {
            $types[] = $parameter->getType();
        }
        return $types;
    }
public function getParameters ( ) { $ types = array ( ) ; foreach ( $ this -> _parameters as $ parameter ) { $ types [ ] = $ parameter -> getType ( ) ; } return $ types ; }
Retrieve parameters as list of types

@return array
Retrieve parameters as list of types