mtclient::setPostCategories PHP Method

    function setPostCategories($postID, $categories)
    {
        $XMLpostid = new xmlrpcval($postID, "string");
        $XMLcategories = new xmlrpcval($categories, "array");
        $r = new xmlrpcmsg("mt.setPostCategories", array($XMLpostid, $this->XMLusername, $this->XMLpassword, $XMLcategories));
        $r = $this->exec($r);
        return $r;
    }