PHP Zend (studio) does it make sense to purchase?

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I'm looking for some feedback on Zend Studio (professional). I'm
considering a license and was wondering what other PHP developers
experience was. I am not related to Zend or any other organization; I
truly am looking for honest feedback of users.

I usually build basic news sites, some web services, simple stuff by
far. I'm not a big fan of Dreamweaver (homesite is where I've lived for
some time). I use Dreamweaver mostly for the built-in FTP, but that's
about the only feature I use from that software (I don't use the server
behaviors, snippits, etc).

Any compelling reason to purchase a license to Zend Studio?

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