Baruch Even <[EMAIL PROTECTED]> wrote:
> PHP by itself is not persistent at all, PHP3 can't persist anything and
> PHP4 can with appropriate add-ons, specifically PHP4 can feature an
> optimizer and a cache, where the optimizer optimizes the PHP code and
> the cache keeps the optimized P-code in store. There is no persistency
> of data, unless you program it in the php code itself.
The interpreter is persistent in mod_php, though, isn't it? This
means an overhead to read and compile the page and user libraries, but
that's considerably less overhead (at least compared to loading the
interpreter and the code that is standard in PHP).
I think Zend's products do caching of user code, but that's a
commercial product.
Ian
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