/**
* @static
* @return AJXP_ShutdownScheduler
*/
public static function getInstance()
{
if (self::$instance == null) {
self::$instance = new AJXP_ShutdownScheduler();
}
return self::$instance;
}
/**
* Applies a callback node
* @static
* @param DOMElement|Array $callback The DOM Node or directly an array of attributes
* @param String $actionName
* @param Array $httpVars
* @param Array $fileVars
* @param null $variableArgs
* @param bool $defer
* @throws AJXP_Exception* @internal param \DOMXPath $xPath
* @return mixed
*/
private static function applyCallback($callback, &$actionName, &$httpVars, &$fileVars, &$variableArgs = null, $defer = false)
{
//Processing
if (is_array($callback)) {
$plugId = $callback["pluginId"];
$methodName = $callback["methodName"];
} else {
$plugId = $callback->getAttribute("pluginId");
$methodName = $callback->getAttribute("methodName");
}
$plugInstance = AJXP_PluginsService::findPluginById($plugId);
//return call_user_func(array($plugInstance, $methodName), $actionName, $httpVars, $fileVars);
// Do not use call_user_func, it cannot pass parameters by reference.
if (method_exists($plugInstance, $methodName)) {
if ($variableArgs == null) {
return $plugInstance->{$methodName}($actionName, $httpVars, $fileVars);
} else {
if ($defer == true) {
AJXP_ShutdownScheduler::getInstance()->registerShutdownEventArray(array($plugInstance, $methodName), $variableArgs);
} else {
call_user_func_array(array($plugInstance, $methodName), $variableArgs);
}
}
} else {
throw new AJXP_Exception("Cannot find method {$methodName} for plugin {$plugId}!");
}
}