Make the following text more coherent.
PHP's foreach loop was introduced in version 4.0 and made compatible with objects as values in 4.0 Beta 4. Support for iterators was added in PHP 5 through the introduction of the internal Traversable interface.
PHP's foreach loop was introduced in version 4.0 and made compatible with objects as values in 4.0 Beta 4. However, support for iterators was added in PHP 5 through the introduction of the internal Traversable interface.