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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 |
|---|---|
| 3230 | wp_trash_post_comments( $post_id ); |
| 3231 | |
| 3232 | /** |
| 3233 | * Fires after a post is sent to the Trash. |
| 3234 | * |
| 3235 | * @since 2.9.0 |
| 3236 | * |
| 3237 | * @param int $post_id Post ID. |
| 3238 | */ |
| 3239 | do_action( 'trashed_post', $post_id ); |
| 3240 | |
| 3241 | return $post; |
| 3242 | } |
| 3243 | |
| 3244 | /** |
| 3245 | * Restores a post from the Trash. |
| 3246 | * |
| 3247 | * @since 2.9.0 |
| 3248 | * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for |