WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code | 
|---|---|
| 817 |       * @since 4.7.0 | 
| 818 |       * | 
| 819 |       * @param string  $excerpt The post excerpt. | 
| 820 |       * @param WP_Post $post    Post revision object. | 
| 821 |       * @return string Prepared excerpt or empty string. | 
| 822 |       */ | 
| 823 |      protected function prepare_excerpt_response( $excerpt, $post ) { | 
| 824 |  | 
| 825 |           /** This filter is documented in wp-includes/post-template.php */ | 
| 826 |           $excerpt = apply_filters( 'the_excerpt', $excerpt, $post ); | 
| 827 |  | 
| 828 |           if ( empty( $excerpt ) ) { | 
| 829 |                return ''; | 
| 830 |           } | 
| 831 |  | 
| 832 |           return $excerpt; | 
| 833 |      } | 
| 834 | } | 
| 835 |  |