IXR_Server::call( $methodname, $args )

87    function call($methodname, $args)88    {89        if (!$this->hasMethod($methodname)) {90            return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');91        }92        $method = $this->callbacks[$methodname];93 94        // Perform the callback and send the response95        if (count($args) == 1) {96            // If only one parameter just send that instead of the whole array97            $args = $args[0];98        }99 100        // Are we dealing with a function or a method?101        if (is_string($method) && substr($method, 0, 5) == 'this:') {102            // It's a class method - check it exists103            $method = substr($method, 5);104            if (!method_exists($this, $method)) {105                return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');106            }107 108            //Call the method109            $result = $this->$method($args);110        } else {111            // It's a function - does it exist?112            if (is_array($method)) {113                if (!is_callable(array($method[0], $method[1]))) {114                    return new IXR_Error(-32601, 'server error. requested object method "'.$method[1].'" does not exist.');115                }116            } else if (!function_exists($method)) {117                return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');118            }119 120            // Call the function121            $result = call_user_func($method, $args);122        }123        return $result;124    }