WP_REST_Server::get_routes( string $route_namespace = '' ): array

956	public function get_routes( $route_namespace = '' ) {957		$endpoints = $this->endpoints;958 959		if ( $route_namespace ) {960			$endpoints = wp_list_filter( $endpoints, array( 'namespace' => $route_namespace ) );961		}962 963		/**964		 * Filters the array of available REST API endpoints.965		 *966		 * @since 4.4.0967		 *968		 * @param array $endpoints The available endpoints. An array of matching regex patterns, each mapped969		 *                         to an array of callbacks for the endpoint. These take the format970		 *                         `'/path/regex' => array( $callback, $bitmask )` or971		 *                         `'/path/regex' => array( array( $callback, $bitmask ).972		 */973		$endpoints = apply_filters( 'rest_endpoints', $endpoints );974 975		// Normalize the endpoints.976		$defaults = array(977			'methods'       => '',978			'accept_json'   => false,979			'accept_raw'    => false,980			'show_in_index' => true,981			'args'          => array(),982		);983 984		foreach ( $endpoints as $route => &$handlers ) {985 986			if ( isset( $handlers['callback'] ) ) {987				// Single endpoint, add one deeper.988				$handlers = array( $handlers );989			}990 991			if ( ! isset( $this->route_options[ $route ] ) ) {992				$this->route_options[ $route ] = array();993			}994 995			foreach ( $handlers as $key => &$handler ) {996 997				if ( ! is_numeric( $key ) ) {998					// Route option, move it to the options.999					$this->route_options[ $route ][ $key ] = $handler;1000					unset( $handlers[ $key ] );1001					continue;1002				}1003 1004				$handler = wp_parse_args( $handler, $defaults );1005 1006				// Allow comma-separated HTTP methods.1007				if ( is_string( $handler['methods'] ) ) {1008					$methods = explode( ',', $handler['methods'] );1009				} elseif ( is_array( $handler['methods'] ) ) {1010					$methods = $handler['methods'];1011				} else {1012					$methods = array();1013				}1014 1015				$handler['methods'] = array();1016 1017				foreach ( $methods as $method ) {1018					$method                        = strtoupper( trim( $method ) );1019					$handler['methods'][ $method ] = true;1020				}1021			}1022		}1023 1024		return $endpoints;1025	}