public function argumentNames()
    {
        $out = [];
        foreach ($this->_args as $arg) {
            $out[] = $arg->name();
        }

        return $out;
    }
public function argumentNames()
    {
        $out = [];
        foreach ($this->_args as $arg) {
            $out[] = $arg->name();
        }

        return $out;
    }
public function argumentNames ( ) { $ out = [ ] ; foreach ( $ this -> _args as $ arg ) { $ out [ ] = $ arg -> name ( ) ; } return $ out ; }
Get the list of argument names.

@return string[]
Get the list of argument names .