src/CacheHelper.php
protected static function runCallback($callback, $args)
    {
        if (!is_array($args)) {
            $args = isset($args) ? array($args) : array();
        }
        return call_user_func_array($callback, $args);
    }
protected static function runCallback($callback, $args)
    {
        if (!is_array($args)) {
            $args = isset($args) ? array($args) : array();
        }
        return call_user_func_array($callback, $args);
    }
protected static function runCallback ( $ callback , $ args ) { if ( ! is_array ( $ args ) ) { $ args = isset ( $ args ) ? array ( $ args ) : array ( ) ; } return call_user_func_array ( $ callback , $ args ) ; }
Run the callback, normalizing the arguments.

@param callable $callback The callable to be executed to fetch the value the cache.
@param mixed[] $args The argument(s) to the callback function.
@return mixed The value returned by the callback.
Run the callback normalizing the arguments .