What you're saying is, it's unsafe to write a crypto library in PHP without being aware of PHP internals. Which I'd agree with, in general. Thankfully the PHP

What you're saying is, it's unsafe to write a crypto library in PHP without being aware of PHP internals. Which I'd agree with, in general. Thankfully the PHP community now has a group like Paragonie willing to share implementation risks. And because of that, we can help solve the problem with pull requests to those libraries.