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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 |
|---|---|
| 3380 | |
| 3381 | /** |
| 3382 | * Filters the user action description. |
| 3383 | * |
| 3384 | * @since 4.9.6 |
| 3385 | * |
| 3386 | * @param string $description The default description. |
| 3387 | * @param string $action_name The name of the request. |
| 3388 | */ |
| 3389 | return apply_filters( 'user_request_action_description', $description, $action_name ); |
| 3390 | } |
| 3391 | |
| 3392 | /** |
| 3393 | * Send a confirmation request email to confirm an action. |
| 3394 | * |
| 3395 | * If the request is not already pending, it will be updated. |
| 3396 | * |
| 3397 | * @since 4.9.6 |
| 3398 | * |