XML RPC Client Example

XMLRPCClient.php

<?php

/**
 * Class XMLRPCClient
 */
class XMLRPCClient
{
    /**
     * @var
     */
    private $url;

    /**
     * XMLRPCClient constructor.
     * @param $url
     */
    function __construct($url)
    {
        $this->url = $url;
    }

    /**
     * @return mixed
     */
    public function call()
    {
        ini_set("display_error", 1);
        error_reporting(E_ALL);

        // get arguments
        $params = func_get_args();
        $method = array_shift($params);
        $encodedRequest = xmlrpc_encode_request($method, $params);

        // set URL and other appropriate options
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $encodedRequest);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        // issue the request
        $response = curl_exec($ch);
        $responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        $curlErrorNo = curl_errno($ch);
        $curlError = curl_error($ch);
        curl_close($ch);

        // check for curl errors
        if ($curlErrorNo != 0) {
            die("Curl ERROR: {$curlErrorNo} - {$curlError}n");
        }

        // check for server errors
        if ($responseCode != 200) {
            die("ERROR: non-200 response from server: {$responseCode} - {$response}n");
        }

        return xmlrpc_decode($response);
    }
}

$client = new XMLRPCClient("http://example.com");
$response = $client->call('mark.getUserMark', array(1, "{{username}}", "{{password}}"));
var_dump($response);