[wp-hackers] PHP5

Charles lists07 at wiltgen.net
Mon May 21 23:54:12 GMT 2007

> I suggest that is time to drop this discussion for good, it is
> clear that wordpres won't make the version jump just now...

Not a single person has talked about doing this just now.  It's my turn to rant about people not paying attention.   :^)

> ...if you really need/want to further discuss why php5 is better/
> worse than php4...

You're thinking of it as a religious issue, and that's a non-starter.

For one large commercial product line, my engineering team estimated that supporting old versions of a runtime cost 15-25% of the features we wanted to do -- both because the old runtime couldn't easily support the more-interesting features, and because supporting multiple runtimes is always more expensive resource-wise than supporting one -- and (of course) doubled QA costs.

Granted, WordPress isn't commercial, and I doubt that PHP4 gets anything but cursory testing.  But anyone that thinks that continued support for PHP4 has no cost is just deluding themselves.

My last post on the topic, thanks!

-- Charles

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