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I want to upgrade php4 to php5 in server.because i am installing TCExam on server, a test assessment spftware runs on php5.3.1 version but version of php onserver is 4.x.x .will it affect the existing project .if not can you explain me how to upgrade the php version on server.

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migrated from stackoverflow.com May 24 '11 at 13:38

This question came from our site for professional and enthusiast programmers.

closed as not a real question by John Conde May 25 '11 at 13:41

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

It depends on the code of the existing projects. Best way is to try it, you can always revert back to your original PHP version. – alex May 24 '11 at 5:08
Are you using a web host or a VPS/Dedicated? – JohnD May 25 '11 at 13:14
StackExchange sites are not for "how to" questions. If you attempt to do this and have issues then come back and ask us specific questions. – John Conde May 25 '11 at 13:42

There's a complete guide on how to upgrade php4 code to php5 here:


To upgrade your server software, re-install php as needed. On Windows, this means downloading the executable and follow the steps...

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