wp_xmlrpc_server::wp_getAuthors( array $args )

	public function wp_getAuthors( $args ) {
		$this->escape( $args );

		$username = $args[1];
		$password = $args[2];

		if ( !$user = $this->login($username, $password) )
			return $this->error;

		if ( !current_user_can('edit_posts') )
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );

		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getAuthors' );

		$authors = array();
		foreach ( get_users( array( 'fields' => array('ID','user_login','display_name') ) ) as $user ) {
			$authors[] = array(
				'user_id'       => $user->ID,
				'user_login'    => $user->user_login,
				'display_name'  => $user->display_name
			);
		}

		return $authors;
	}