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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 |
|---|---|
| 338 | /** |
| 339 | * Filters whether this is an API request that Application Passwords can be used on. |
| 340 | * |
| 341 | * By default, Application Passwords is available for the REST API and XML-RPC. |
| 342 | * |
| 343 | * @since 5.6.0 |
| 344 | * |
| 345 | * @param bool $is_api_request If this is an acceptable API request. |
| 346 | */ |
| 347 | $is_api_request = apply_filters( 'application_password_is_api_request', $is_api_request ); |
| 348 | |
| 349 | if ( ! $is_api_request ) { |
| 350 | return $input_user; |
| 351 | } |
| 352 | |
| 353 | $error = null; |
| 354 | $user = get_user_by( 'login', $username ); |
| 355 | |
| 356 | if ( ! $user && is_email( $username ) ) { |