CLearnAccess::GetInstance

static function GetInstance($in_userId)
{
	$userId = self::StrictlyCastToInteger ($in_userId);

	if ( ! array_key_exists($userId, self::$instanceOfSelf) )
		self::$instanceOfSelf[$userId] = new CLearnAccess($userId);
	
	return (self::$instanceOfSelf[$userId]);
}