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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 |
|---|---|
| 4389 | |
| 4390 | /** |
| 4391 | * Filters the user action description. |
| 4392 | * |
| 4393 | * @since 4.9.6 |
| 4394 | * |
| 4395 | * @param string $description The default description. |
| 4396 | * @param string $action_name The name of the request. |
| 4397 | */ |
| 4398 | return apply_filters( 'user_request_action_description', $description, $action_name ); |
| 4399 | } |
| 4400 | |
| 4401 | /** |
| 4402 | * Send a confirmation request email to confirm an action. |
| 4403 | * |
| 4404 | * If the request is not already pending, it will be updated. |
| 4405 | * |
| 4406 | * @since 4.9.6 |
| 4407 | * |