服务不可用。<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/vanthoi/public_html/wp-mail.php:10) in <b>/home/vanthoi/public_html/wp-config.php</b> on line <b>20</b><br />
_collection_params() {
		$types    = array();
		$subtypes = array();

		foreach ( $this->search_handlers as $search_handler ) {
			$types[]  = $search_handler->get_type();
			$subtypes = array_merge( $subtypes, $search_handler->get_subtypes() );
		}

		$types    = array_unique( $types );
		$subtypes = array_unique( $subtypes );

		$query_params = parent::get_collection_params();

		$query_params['context']['default'] = 'view';

		$query_params[ self::PROP_TYPE ] = array(
			'default'     => $types[0],
			'description' => __( 'Limit results to items of an object type.' ),
			'type'        => 'string',
			'enum'        => $types,
		);

		$query_params[ self::PROP_SUBTYPE ] = array(
			'default'           => self::TYPE_ANY,
			'description'       => __( 'Limit results to items of one or more object subtypes.' ),
			'type'              => 'array',
			'items'             => array(
				'enum' => array_merge( $subtypes, array( self::TYPE_ANY ) ),
				'type' => 'string',
			),
			'sanitize_callback' => array( $this, 'sanitize_subtypes' ),
		);

		$query_params['exclude'] = array(
			'description' => __( 'Ensure result set excludes specific IDs.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'integer',
			),
			'default'     => array(),
		);

		$query_params['include'] = array(
			'description' => __( 'Limit result set to specific IDs.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'integer',
			),
			'default'     => array(),
		);

		return $query_params;
	}

	/**
	 * Sanitizes the list of subtypes, to ensure only subtypes of the passed type are included.
	 *
	 * @since 5.0.0
	 *
	 * @param string|array    $subtypes  One or more subtypes.
	 * @param WP_REST_Request $request   Full details about the request.
	 * @param string          $parameter Parameter name.
	 * @return string[]|WP_Error List of valid subtypes, or WP_Error object on failure.
	 */
	public function sanitize_subtypes( $subtypes, $request, $parameter ) {
		$subtypes = wp_parse_slug_list( $subtypes );

		$subtypes = rest_parse_request_arg( $subtypes, $request, $parameter );
		if ( is_wp_error( $subtypes ) ) {
			return $subtypes;
		}

		// 'any' overrides any other subtype.
		if ( in_array( self::TYPE_ANY, $subtypes, true ) ) {
			return array( self::TYPE_ANY );
		}

		$handler = $this->get_search_handler( $request );
		if ( is_wp_error( $handler ) ) {
			return $handler;
		}

		return array_intersect( $subtypes, $handler->get_subtypes() );
	}

	/**
	 * Gets the search handler to handle the current request.
	 *
	 * @since 5.0.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Search_Handler|WP_Error Search handler for the request type, or WP_Error object on failure.
	 */
	protected function get_search_handler( $request ) {
		$type = $request->get_param( self::PROP_TYPE );

		if ( ! $type || ! isset( $this->search_handlers[ $type ] ) ) {
			return new WP_Error(
				'rest_search_invalid_type',
				__( 'Invalid type parameter.' ),
				array( 'status' => 400 )
			);
		}

		return $this->search_handlers[ $type ];
	}
}
<br />
<b>Fatal error</b>:  require_once(): Failed opening required '/home/vanthoi/public_html/wp-includes/blocks/comment-template.php' (include_path='.:') in <b>/home/vanthoi/public_html/wp-includes/blocks/require-dynamic-blocks.php</b> on line <b>15</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /home/vanthoi/public_html/wp-includes/l10n.php:854
Stack trace:
#0 /home/vanthoi/public_html/wp-includes/l10n.php(957): load_textdomain('default', '/home/vanthoi/p...', 'vi')
#1 /home/vanthoi/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/home/vanthoi/public_html/wp-includes/l10n.php</b> on line <b>854</b><br />