Andrei and I discussed this change and at the conceptual level at least $_SERVER should be populated with argc and argv if variables_order includes "S". If you have specifically configured your system to not create $_SERVER, then of course it shouldn't be there. The change was to always make argc and argv available in the CLI version regardless of the variables_order setting. As in, the CLI version will now always populate the global $argc and $argv variables.
I don't really like the idea of populating two global variables, and I'm not sure where this is at right now, since I've only been following internals for the last few weeks. It's a good idea to be sure that argv and argc are always available (though, arguably, argc is not all that useful), but it would probably make more sense to put them in $_SERVER (and without the rest of the $_SERVER variables, if variables_order doesn't include "S").
You're not breaking code (since it can always use $_SERVER) and you're not introducing any globals (which goes along with the register_globals setting).
Hopefully this discussion hasn't already taken place, but this is my two cents.
ttyl, greg
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