File: wp-includes/rest-api/class-wp-rest-server.php. View all references

public function get_routes( $route_namespace = '' ) {
	$endpoints = $this->endpoints;

	if ( $route_namespace ) {
		$endpoints = wp_list_filter( $endpoints, array( 'namespace' => $route_namespace ) );
	}

	/**
	 * Filters the array of available REST API endpoints.
	 *
	 * @since 4.4.0
	 *
	 * @param array $endpoints The available endpoints. An array of matching regex patterns, each mapped
	 *                         to an array of callbacks for the endpoint. These take the format
	 *                         `'/path/regex' => array( $callback, $bitmask )` or
	 *                         `'/path/regex' => array( array( $callback, $bitmask ).
	 */
	$endpoints = apply_filters( 'rest_endpoints', $endpoints );

	// Normalize the endpoints.
	$defaults = array(
		'methods'       => '',
		'accept_json'   => false,
		'accept_raw'    => false,
		'show_in_index' => true,
		'args'          => array(),
	);

	foreach ( $endpoints as $route => &$handlers ) {

		if ( isset( $handlers['callback'] ) ) {
			// Single endpoint, add one deeper.
			$handlers = array( $handlers );
		}

		if ( ! isset( $this->route_options[ $route ] ) ) {
			$this->route_options[ $route ] = array();
		}

		foreach ( $handlers as $key => &$handler ) {

			if ( ! is_numeric( $key ) ) {
				// Route option, move it to the options.
				$this->route_options[ $route ][ $key ] = $handler;
				unset( $handlers[ $key ] );
				continue;
			}

			$handler = wp_parse_args( $handler, $defaults );

			// Allow comma-separated HTTP methods.
			if ( is_string( $handler['methods'] ) ) {
				$methods = explode( ',', $handler['methods'] );
			} elseif ( is_array( $handler['methods'] ) ) {
				$methods = $handler['methods'];
			} else {
				$methods = array();
			}

			$handler['methods'] = array();

			foreach ( $methods as $method ) {
				$method                        = strtoupper( trim( $method ) );
				$handler['methods'][ $method ] = true;
			}
		}
	}

	return $endpoints;
}

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