/**
* Resets the cached values for all.
* @return void
*/
public static function clearTreeCache()
{
static::$objectCache = [];
static::$parentCache = [];
static::$cacheSortColumn = [];
}
/**
* Remove instance or whole class from cache or wipe cache out
*
* If $class and $id are given only instance is removed
* If only $class is given all instances of the class are removed
* If none of $class and $id are given all instances of all classes are removed
*
* @param string $class class name
* @param mixed $id unique identifier
*
* @return bool tells if instance/class was registered
*/
public static function purgeCache($id = null)
{
if ($id) {
if (!array_key_exists($id, static::$objectCache)) {
return false;
}
unset(static::$objectCache[$id]);
} else {
static::$objectCache = array();
}
return true;
}