In a link from the PHP Magazine website, there's mention of a new article from ADTMag.com discussing the readiness of PHP for the enterprise.

Since it was introduced in 1997, the enormously popular open-source, server-side scripting language PHP has been gaining momentum, winning fans and burrowing into the enterprise. Consequently, many of the new features in the just-released PHP 5 are designed to improve interoperability.

'We are seeing a change in PHP usage,' says Andi Gutmans, who co-wrote the original core of PHP with Zeev Suraski. 'PHP is being adopted by larger and larger companies in heterogeneous environments with other technologies such as COM, .NET, Java and so on,' he says. 'The more it goes into large organizations, the more interoperability becomes an issue.'

They go on, talking about the adoption rate of PHP, the new Zend Engine, and how the new changes in PHP 5 will help all of the programmers out there...