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parsing - What is a good parser generator for php?

I need to parse a small 'mini language' which users can type on my site. I was wondering what the counterparts of lex and jacc or antlr are for the world of php.

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I used LIME Parser generator for PHP a couple of years ago, and it was already mature and stable.

The parser generator itself is written in PHP, which doesn't really matter in any technical sense - as we require only that the generated parser be in PHP - but I like this detail nonetheless. It makes me feel less apologetic about writing software in PHP ;-)

EDIT:

I should add:

  1. Where I wrote "used" it would be more accurate to say that I "played with". I haven't written any production code using lime, yet. But I see no reason not to do so.

  2. The "calculator example" provided with lime uses a tokenize() method which is very far from a real substitute for the power of lex. But if you need a real tokenizer it ought to be possible to use lex on the "front end" to feed tokens to lime on the "back end".


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