how to doengrade php version from 5.3 to 5.2 in ubuntu 12.04 lts?
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I have installed ubuntu newly and also installed php. By default it is installed with version 5.3.10 but my php project doesnt support php v 5.3.10

I want to downgrade php version to 5.2. How  can I do it?

I am using ubuntu 12.04 LTS.

Thanks