WordPress at a glance
функция не описана

WP_REST_Server::register_route() public WP 4.4.0

Registers a route to the server.

It's a method of the class: WP_REST_Server{}

Хуков нет.

Возвращает

Null. Ничего.

Использование

$WP_REST_Server = new WP_REST_Server();
$WP_REST_Server->register_route( $namespace, $route, $route_args, $override );
$namespace(string) (required)
Namespace.
$route(string) (required)
The REST route.
$route_args(array) (required)
Route arguments.
$override(true/false)
Whether the route should be overridden if it already exists.
Default: false

Changelog

Since 4.4.0 Introduced.

Код WP_REST_Server::register_route() WP 5.5.1

<?php
public function register_route( $namespace, $route, $route_args, $override = false ) {
	if ( ! isset( $this->namespaces[ $namespace ] ) ) {
		$this->namespaces[ $namespace ] = array();

		$this->register_route(
			$namespace,
			'/' . $namespace,
			array(
				array(
					'methods'  => self::READABLE,
					'callback' => array( $this, 'get_namespace_index' ),
					'args'     => array(
						'namespace' => array(
							'default' => $namespace,
						),
						'context'   => array(
							'default' => 'view',
						),
					),
				),
			)
		);
	}

	// Associative to avoid double-registration.
	$this->namespaces[ $namespace ][ $route ] = true;
	$route_args['namespace']                  = $namespace;

	if ( $override || empty( $this->endpoints[ $route ] ) ) {
		$this->endpoints[ $route ] = $route_args;
	} else {
		$this->endpoints[ $route ] = array_merge( $this->endpoints[ $route ], $route_args );
	}
}