php/php-src — pull request #614 by datibbaw (2014-03-07 09:57:39+00:00)
Title: isset() and empty() don't invoke ArrayObject::offsetGet()

This fixed [bug 66834](http://bugs.php.net/66834).

Both `isset()` and `empty()` should inspect the value after checking whether the offset exists (or by calling `offsetExists()`).