Caution ! Valid with MuteList Add-on and OpenSimulator v0.9.0. For OpenSim v0.9.1, MuteList is a Core module.

CREATE TABLE IF NOT EXISTS `mutelist` (
  `AgentID` char(36) COLLATE utf8_unicode_ci NOT NULL,
  `MuteID` char(36) COLLATE utf8_unicode_ci NOT NULL,
  `MuteName` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `type` int(11) UNSIGNED NOT NULL,
  `flags` int(11) UNSIGNED NOT NULL,
  `Stamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  UNIQUE KEY `AgentID_2` (`AgentID`,`MuteID`) USING BTREE,
  KEY `AgentID` (`AgentID`) USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

<?php
$DB_HOST = "localhost";
$DB_USER = "root";
$DB_PASSWORD = "";
$DB_NAME = "osmodules";
?>

<?php
include("databaseinfo.php");
 
// Attempt to connect to the database with the mutelist table
try {
    $db = new PDO("mysql:host=$DB_HOST;dbname=$DB_NAME", $DB_USER, $DB_PASSWORD);
    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch(PDOException $e)
{
    echo "Error connecting to the database with the mutelist table\n";
    file_put_contents('PDOErrors.txt', $e->getMessage() . "\n-----\n", FILE_APPEND);
    exit;
}
###################### No user serviceable parts below #####################
function get_error_message($result)
{
    global $db;
    if (!$result)
        return "";
    $errorInfo = $db->errorInfo();
    return $errorInfo[2];
}
#
# The XMLRPC server object
#
$xmlrpc_server = xmlrpc_server_create();
#
# Return list of muted agents and objects
#
xmlrpc_server_register_method($xmlrpc_server, "mutelist_request", "mutelist_request");
function mutelist_request($method_name, $params, $app_data)
{
    global $db;
    $req        = $params[0];
    $avatarUUID = $req['avataruuid'];
    $query = $db->prepare("SELECT * FROM mutelist WHERE AgentID = ?");
    $result = $query->execute( array($avatarUUID) );
    $mutelist = "";
    if ($query->rowCount() > 0)
    {
        while ($row = $query->fetch(PDO::FETCH_ASSOC))
        {
            $mutelist .= $row["type"] . " ";
            $mutelist .= $row["MuteID"] . " ";
            $mutelist .= $row["MuteName"] . "|";
            $mutelist .= $row["flags"] . "\n";
        }
    }
    $response_xml = xmlrpc_encode(array(
        'success'      => $result,
        'errorMessage' => get_error_message($result),
        'mutelist'     => $mutelist
    ));
    print $response_xml;
}
#
# Remove an event notify reminder request
#
xmlrpc_server_register_method($xmlrpc_server, "mutelist_update", "mutelist_update");
function mutelist_update($method_name, $params, $app_data)
{
    global $db;
    $req        = $params[0];
    $avatarUUID = $req['avataruuid'];
    $muteUUID   = $req['muteuuid'];
    $name       = $req['name'];
    $type       = $req['type'];
    $flags      = $req['flags'];
    $query = $db->prepare("INSERT INTO mutelist VALUES (?, ?, ?, ?, ?, NOW())");
    $result = $query->execute(array($avatarUUID, $muteUUID, $name, $type, $flags) );
    $response_xml = xmlrpc_encode(array(
        'success'      => $result,
        'errorMessage' => get_error_message($result)
    ));
    print $response_xml;
}
#
# Remove an event notify reminder request
#
xmlrpc_server_register_method($xmlrpc_server, "mutelist_remove", "mutelist_remove");
function mutelist_remove($method_name, $params, $app_data)
{
    global $db;
    $req        = $params[0];
    $avatarUUID = $req['avataruuid'];
    $muteUUID   = $req['muteuuid'];
    $query = $db->prepare("DELETE FROM mutelist WHERE "." AgentID = ? AND MuteID = ?");
    $result = $query->execute( array($avatarUUID, $muteUUID) );
    $response_xml = xmlrpc_encode(array(
        'success'      => $result,
        'errorMessage' => get_error_message($result)
    ));
    print $response_xml;
}
#
# Process the request
#
$request_xml = file_get_contents("php://input");
xmlrpc_server_call_method($xmlrpc_server, $request_xml, '');
xmlrpc_server_destroy($xmlrpc_server);
?>