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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 |
|---|---|
| 4209 | |
| 4210 | /** |
| 4211 | * Filters the user action description. |
| 4212 | * |
| 4213 | * @since 4.9.6 |
| 4214 | * |
| 4215 | * @param string $description The default description. |
| 4216 | * @param string $action_name The name of the request. |
| 4217 | */ |
| 4218 | return apply_filters( 'user_request_action_description', $description, $action_name ); |
| 4219 | } |
| 4220 | |
| 4221 | /** |
| 4222 | * Send a confirmation request email to confirm an action. |
| 4223 | * |
| 4224 | * If the request is not already pending, it will be updated. |
| 4225 | * |
| 4226 | * @since 4.9.6 |
| 4227 | * |