public function offsetSet( $item, $node )
    {
        // We only allow to append nodes to node list, so that we bail out on
        // all other array keys then null.
        if ( $item !== null )
        {
            throw new ValueException( $item, 'null' );
        }

        return $this->nodes[] = $node;
    }
public function offsetSet( $item, $node )
    {
        // We only allow to append nodes to node list, so that we bail out on
        // all other array keys then null.
        if ( $item !== null )
        {
            throw new ValueException( $item, 'null' );
        }

        return $this->nodes[] = $node;
    }
public function offsetSet ( $ item , $ node ) { // We only allow to append nodes to node list, so that we bail out on // all other array keys then null. if ( $ item !== null ) { throw new ValueException ( $ item , 'null' ) ; } return $ this -> nodes [ ] = $ node ; }
Append node to node list

Append node to node list

@param int $item
@param Node $node
@return void
Append node to node list