I've just discovered the version of php on my (CIHosted) server is PHP 3.0.15. Assuming phpw3t won't run on this should I try and get them to put PHP 4.0.3 on there? Will this have to replace the current 3.0.15 or can they both be there side-by-side? If it replaces 3.0.15 will stuff written for 3 (like phpMyAdmin) not run any more? If I do need it and they won't do it, is there a standalone way I can install it just on my domain?

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