public function get($name, $default = null)
    {
        if (array_key_exists($name, $this->aliases)) {
            return $this->aliases[$name];
        } else {
            return $default;
        }
    }
public function get($name, $default = null)
    {
        if (array_key_exists($name, $this->aliases)) {
            return $this->aliases[$name];
        } else {
            return $default;
        }
    }
public function get ( $ name , $ default = null ) { if ( array_key_exists ( $ name , $ this -> aliases ) ) { return $ this -> aliases [ $ name ] ; } else { return $ default ; } }
Returns aliased value or default value if requested alias does not exists.

@param string $name
@param string|null $default
@return string|null
Returns aliased value or default value if requested alias does not exists .