wp_xmlrpc_server::pingback_error( int $code, string $message ): IXR_Error

Source

protected function pingback_error( $code, $message ) {
	/**
	 * Filters the XML-RPC pingback error return.
	 *
	 * @since 3.5.1
	 *
	 * @param IXR_Error $error An IXR_Error object containing the error code and message.
	 */
	return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );
}

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