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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 |
|---|---|
| 483 | * Filters the REST Server Class. |
| 484 | * |
| 485 | * This filter allows you to adjust the server class used by the API, using a |
| 486 | * different class to handle requests. |
| 487 | * |
| 488 | * @since 4.4.0 |
| 489 | * |
| 490 | * @param string $class_name The name of the server class. Default 'WP_REST_Server'. |
| 491 | */ |
| 492 | $wp_rest_server_class = apply_filters( 'wp_rest_server_class', 'WP_REST_Server' ); |
| 493 | $wp_rest_server = new $wp_rest_server_class; |
| 494 | |
| 495 | /** |
| 496 | * Fires when preparing to serve an API request. |
| 497 | * |
| 498 | * Endpoint objects should be created and register their hooks on this action rather |
| 499 | * than another action to ensure they're only loaded when needed. |
| 500 | * |
| 501 | * @since 4.4.0 |