zendframework/zf2 — pull request #6224 by zf2timo (2014-05-05 20:19:33+00:00)
Title: Created BooleanStrategy for Hydrator

With this Strategy strings and integers will be converted to Boolean values.

For Example:
```php
$hydrator = new BooleanStrategy('true', 'false');
$hydrator->extract(true); // Will return 'true'
$hydrator->hydrate('false'); // will return bool(false)
```

More examples included in Unit Test.