C:/xampp/htdocs/moodle/lib/zend/Zend/XmlRpc/Client/ServerIntrospection.php

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<?php
class Zend_XmlRpc_Client_ServerIntrospection
{
    private $_system = null;


    public function __construct(Zend_XmlRpc_Client $client)
    {
        $this->_system = $client->getProxy('system');
    }

    public function getSignatureForEachMethod()
    {
        $methods = $this->listMethods();

        require_once 'Zend/XmlRpc/Client/FaultException.php';
        try {
            $signatures = $this->getSignatureForEachMethodByMulticall($methods);
        } catch (Zend_XmlRpc_Client_FaultException $e) {
            // degrade to looping
        }

        if (empty($signatures)) {
            $signatures = $this->getSignatureForEachMethodByLooping($methods);
        }

        return $signatures;
    }

    public function getSignatureForEachMethodByMulticall($methods = null)
    {
        if ($methods === null) {
            $methods = $this->listMethods();
        }

        $multicallParams = array();
        foreach ($methods as $method) {
            $multicallParams[] = array('methodName' => 'system.methodSignature',
                                       'params'     => array($method));
        }

        $serverSignatures = $this->_system->multicall($multicallParams);

        if (! is_array($serverSignatures)) {
            $type = gettype($serverSignatures);
            $error = "Multicall return is malformed.  Expected array, got $type";
            require_once 'Zend/XmlRpc/Client/IntrospectException.php';
            throw new Zend_XmlRpc_Client_IntrospectException($error);
        }

        if (count($serverSignatures) != count($methods)) {
            $error = 'Bad number of signatures received from multicall';
            require_once 'Zend/XmlRpc/Client/IntrospectException.php';
            throw new Zend_XmlRpc_Client_IntrospectException($error);
        }

        // Create a new signatures array with the methods name as keys and the signature as value
        $signatures = array();
        foreach ($serverSignatures as $i => $signature) {
            $signatures[$methods[$i]] = $signature;
        }

        return $signatures;
    }

    public function getSignatureForEachMethodByLooping($methods = null)
    {
        if ($methods === null) {
            $methods = $this->listMethods();
        }

        $signatures = array();
        foreach ($methods as $method) {
            $signatures[$method] = $this->getMethodSignature($method);
        }

        return $signatures;
    }

    public function getMethodSignature($method)
    {
        $signature = $this->_system->methodSignature($method);
        if (!is_array($signature)) {
            $error = 'Invalid signature for method "' . $method . '"';
            require_once 'Zend/XmlRpc/Client/IntrospectException.php';
            throw new Zend_XmlRpc_Client_IntrospectException($error);
        }
        return $signature;
    }

    public function listMethods()
    {
        return $this->_system->listMethods();
    }

}