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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 |
|---|---|
| 3420 | /** |
| 3421 | * Filters whether a REST endpoint request is currently being handled. |
| 3422 | * |
| 3423 | * This may be a standalone REST API request, or an internal request dispatched from within a regular page load. |
| 3424 | * |
| 3425 | * @since 6.5.0 |
| 3426 | * |
| 3427 | * @param bool $is_request_endpoint Whether a REST endpoint request is currently being handled. |
| 3428 | */ |
| 3429 | return (bool) apply_filters( 'wp_is_rest_endpoint', $is_rest_endpoint ); |
| 3430 | } |
| 3431 | |