WordPress at a glance
function is not described

IXR_Client::getErrorMessage() public WP 1.0

It's a method of the class: IXR_Client{}

No Hooks.

Return

Null. Nothing.

Usage

$IXR_Client = new IXR_Client();
$IXR_Client->getErrorMessage();

Code of IXR_Client::getErrorMessage() WP 5.5.1

<?php
function getErrorMessage()
{
    return $this->error->message;
}