wp-includes/rest-api.php:3476Checks whether a REST API endpoint request is currently being handled.
boolOne hook fires while wp_is_rest_endpoint() runs, in this order:
Filters whether a REST endpoint request is currently being handled.
function wp_is_rest_endpoint() { /* @var WP_REST_Server $wp_rest_server */ global $wp_rest_server; // Check whether this is a standalone REST request. $is_rest_endpoint = wp_is_serving_rest_request(); if ( ! $is_rest_endpoint ) { // Otherwise, check whether an internal REST request is currently being handled. $is_rest_endpoint = isset( $wp_rest_server ) && $wp_rest_server->is_dispatching(); } /** * Filters whether a REST endpoint request is currently being handled. * * This may be a standalone REST API request, or an internal request dispatched from within a regular page load. * * @since 6.5.0 * * @param bool $is_request_endpoint Whether a REST endpoint request is currently being handled. */ return (bool) apply_filters( 'wp_is_rest_endpoint', $is_rest_endpoint );}Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.