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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 |
|---|---|
| 2062 | /** |
| 2063 | * Fires immediately after a post's comment count is updated in the database. |
| 2064 | * |
| 2065 | * @since 2.3.0 |
| 2066 | * |
| 2067 | * @param int $post_id Post ID. |
| 2068 | * @param int $new The new comment count. |
| 2069 | * @param int $old The old comment count. |
| 2070 | */ |
| 2071 | do_action( 'wp_update_comment_count', $post_id, $new, $old ); |
| 2072 | /** This action is documented in wp-includes/post.php */ |
| 2073 | do_action( 'edit_post', $post_id, $post ); |
| 2074 | |
| 2075 | return true; |
| 2076 | } |
| 2077 | |
| 2078 | // |
| 2079 | // Ping and trackback functions. |
| 2080 | // |