src/Http/Models/En_HttpRequest.php
public function getParam($name){
        if(isset($this->getParams[$name])){
            return $this->getParams[$name];
        }else{
            return NULL;
        }
    }
public function getParam($name){
        if(isset($this->getParams[$name])){
            return $this->getParams[$name];
        }else{
            return NULL;
        }
    }
public function getParam ( $ name ) { if ( isset ( $ this -> getParams [ $ name ] ) ) { return $ this -> getParams [ $ name ] ; } else { return NULL ; } }
Devuelve un parametro GET si existe y si no devuelve NULL
@param string $name
@return null o string
Devuelve un parametro GET si existe y si no devuelve NULL