widget-image-field.php multiple images example

<?php
/*
    Plugin Name: Widget Image xing
*/


// we can only use this Widget if the plugin is active
if( class_exists( 'WidgetImageField' ) )
    add_action( 'widgets_init', create_function( '', "register_widget( 'ITI_Widget_Image_OTM' );" ) );


class ITI_Widget_Image_OTM extends WP_Widget
{
    var $image_field = 'image';

    function __construct()
    {
        $widget_ops = array(
                'classname'     => 'image_otm',
                'description'   => __( "Image of the Month")
            );
        parent::__construct( 'image_otm', __('Image of the Month'), $widget_ops );
    }

    function form( $instance ) {
        $headline = esc_attr( isset( $instance['headline'] ) ? $instance['headline'] : '' );
        $images = array();
        for ( $i = 1; $i <= 3; $i++ ) {
            $image_data = esc_attr( isset( $instance[ $this->image_field . $i ] ) ? $instance[ $this->image_field  . $i ] : 0 );
            $images[] = array( 'count' => $i, 'data' => new WidgetImageField( $this, $image_data ) );
        }
        ?>
        <p>
        <label for="<?php echo $this->get_field_id( 'headline' ); ?>"><?php _e( 'Titel:' ); ?>
        <input class="widefat" id="<?php echo $this->get_field_id( 'headline' ); ?>" name="<?php echo $this->get_field_name( 'headline' ); ?>" type="text" value="<?php echo $headline; ?>" />
        </label>
        </p>


        <?php
        foreach ( $images as $image ) :
            ?><div>
            <label><?php _e( 'Bild' . $image[ 'count' ] . ':' ); ?></label>
            <?php echo $image[ 'data' ]->get_widget_field( $image[ 'count' ] ); ?>
            </div><?php
        endforeach;
    }

    function widget( $args, $instance ) {
        /*
         *
         * muss noch geschrieben werden
         *
         * */
    }

    function update( $new_instance, $old_instance )
    {
        $instance = $old_instance;

        $instance['headline']            = strip_tags( $new_instance['headline'] );
        for ( $i = 1; $i <= 3; $i++ )
            $instance[ $this->image_field . $i ]    = intval( strip_tags( $new_instance[ $this->image_field . $i ] ) );
        $instance['blurb']               = strip_tags( $new_instance['blurb'] );

        return $instance;
    }
}