View difference between Paste ID: nVTzxiTQ and X9kSUjSy

 <?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
+  // Check if checkbox is checked
-   if( $checkbox == true ) {
+   if( $checkbox AND $checkbox == '1' ) {
-     echo 'THis message is displayed if checkd';
+     echo '<p>'.__('Checkbox is checked', 'cals-twitterfetcher').'</p>';
    }
    echo '</div>';
    echo $after_widget;
 }
 
 }
 
 
 
 // register idget, enables use in the wordpress dashboard
 
 add_action('widgets_init', create_function('', 'return register_widget("cals_twitterfetcher");'));