/**
* Instance to the class which provides field values
*/
- private $valueInstance = null;
+ private $valueInstance = NULL;
/**
* Extra instance to the class which provides field values
*/
- private $extraInstance = null;
+ private $extraInstance = NULL;
/**
* Rendered content created by the helper class
* @return void
* @throws NullPointerException If recovery of requested value instance failed
*/
- public function prefetchValueInstance ($registryKey, $extraKey = null) {
+ public function prefetchValueInstance ($registryKey, $extraKey = NULL) {
//* DEBUG: */ $this->debugOutput('O:'.$registryKey.'/'.$extraKey);
try {
// Get the required instance