MyFirstWidget_error

<?php


class cals_twitterfetcher extends WP_Widget {





    //Constructor--initiate the widget
        function cals_twitterfetcher(){

          parent::WP_Widget(false, $name = __('Cals WP Twitterfetcher Widget', 'cals-twitterfetcher') );
        }

    /**
     *
     * Widget form creation--create the widget form in the administration
     */

// widget form creation
function form($instance) {
        // Check values
            if( $instance) {
             $title = esc_attr($instance['title']);
             $text = esc_attr($instance['text']);
             $textarea = esc_textarea($instance['textarea']);
             $checkbox = esc_attr($instance['checkbox']);
        } else {
             $title = '';
             $text = '';
             $textarea = '';
             $checkbox = '';
        }
        ?>
        <p>
        <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Widget Title', 'cals-twitterfetcher'); ?></label>
        <input id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" />
        </p>
        <p>
        <label for="<?php echo $this->get_field_id('text'); ?>"><?php _e('Text:', 'cals-twitterfetcher'); ?></label>
        <input id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>" type="text" value="<?php echo $text; ?>" />
        </p>
        <p>
        <label for="<?php echo $this->get_field_id('textarea'); ?>"><?php _e('Textarea:', 'cals-twitterfetcher'); ?></label>
        <textarea id="<?php echo $this->get_field_id('textarea'); ?>" name="<?php echo $this->get_field_name('textarea'); ?>"><?php echo $textarea; ?></textarea>
        </p>
        <p>
        <input id="<?php echo $this->get_field_id('checkbox'); ?>" name="<?php echo $this->get_field_name('checkbox'); ?>" type="checkbox" value="1" <?php checked( '1', $checkbox ); ?> />
        <label for="<?php echo $this->get_field_id('checkbox'); ?>"><?php _e('Checkbox', 'cals-twitterfetcher'); ?></label>
        </p>
<?php
}


    /**
     *Update--save widget data during edition
     */

        function update($new_instance, $old_instance) {
      $instance = $old_instance;
      // Fields
      $instance['title'] = strip_tags($new_instance['title']);
      $instance['text'] = strip_tags($new_instance['text']);
      $instance['textarea'] = strip_tags($new_instance['textarea']);
      $instance['checkbox'] = strip_tags($new_instance['checkbox']);
     return $instance;
}



    /**
     * widget--display the widget content on the front-end
     */

function widget($args, $instance) {
   extract( $args );
   // these are the widget options
   $title = apply_filters('widget_title', $instance['title']);
   $text = $instance['text'];
   $textarea = $instance['textarea'];
   echo $before_widget;
   // Display the widget
   echo '<div>';

   // Check if title is set
   if ( $title ) {
      echo $before_title . $title . $after_title;
   }

   // Check if text is set
   if( $text ) {
      echo '<p>'.$text.'</p>';
   }
   // Check if textarea is set
   if( $textarea ) {
     echo '<p>'.$textarea.'</p>';
   }
   // Check if checkbox is checked
   if( $checkbox == true ) {
     echo 'THis message is displayed if checkd';
   }
   echo '</div>';
   echo $after_widget;
}

}



// register idget, enables use in the wordpress dashboard

add_action('widgets_init', create_function('', 'return register_widget("cals_twitterfetcher");'));