اضافه کردن لینک اسلایدر

[T.Toosi]

<?php
add_action( 'widgets_init', 'slide_widget' );
class slide_widget extends WP_Widget {
function slide_widget() {
$this->WP_Widget( 'slide-widget','++ افزودن اسلاید');
}
public function widget( $args, $instance ) {
$title = apply_filters('widget_title', $instance['title']);
$image = $instance['image']; 
$url = $instance['url']; 

if($url!=null)
    echo '<div><a href="'.$url.'"><img src="'.$image.'" alt="'.$title.'"></a></div>';
else
    echo '<div><img src="'.$image.'" alt="'.$title.'"></div>';
?>

<?php
}
public function form( $instance ) {
$title = $instance[ 'title' ];
$image = $instance[ 'image' ];
$url = $instance[ 'url' ];
?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>">عنوان تصویر :</label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( 'image' ); ?>">نشانی تصویر :</label>
<input class="widefat" id="<?php echo $this->get_field_id( 'image' ); ?>" name="<?php echo $this->get_field_name( 'image' ); ?>" type="url" value="<?php echo esc_attr( $image ); ?>" />
</p>

<p>
<label for="<?php echo $this->get_field_id( 'url' ); ?>">آدرس عکس :</label>
<input class="widefat" id="<?php echo $this->get_field_id( 'url' ); ?>" name="<?php echo $this->get_field_name( 'url' ); ?>" type="url" value="<?php echo esc_attr( $url ); ?>" />
</p>

<?php
}
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
$instance['image'] = ( ! empty( $new_instance['image'] ) ) ? strip_tags( $new_instance['image'] ) : '';
$instance['url'] = ( ! empty( $new_instance['url'] ) ) ? strip_tags( $new_instance['url'] ) : '';
return $instance;
}
}
function slide_widget() {
register_widget( 'slide_widget' );
}
?>