widget_title

This filter is documented in wp-includes/widgets/class-wp-widget-pages.php.

Description

apply_filters( 'widget_title', (unknown) $instance_title, (unknown) $instance, (unknown) $this_id_base ); 

Parameters (3)

0. $instance_title (unknown) => empty($instance['title']) ? '' : $instance['title']
The empty.
1. $instance (unknown)
The instance.
2. $this_id_base (unknown)
The this id base.

Usage

To run the hook, copy the example below.
  1. $instance_title = apply_filters( 'widget_title', $instance_title, $instance, $this_id_base ); 
  2.  
  3. if ( !empty( $instance_title ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the widget_title callback 
  2. function filter_widget_title( $instance_title, $instance, $this_id_base ) { 
  3. // make filter magic happen here... 
  4. return $instance_title
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'widget_title', 'filter_widget_title', 10, 3 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'widget_title', 'filter_widget_title', 10, 3 ); 

Defined (3)

The filter is defined in the following location(s).

/includes/widgets/mh-recent-posts.php  
  1. $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base); 
/includes/widgets/mh-posts-large.php  
  1. $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base); 
/includes/widgets/mh-custom-posts.php  
  1. $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);