Setup PHP 5.3 in CircleCI

I would like to test my unit test. with the PHP 5.3. I don’t know how to set up PHP 5.3. Can you please guide us?

I have tried to set up a PHP 5.3 image from the devilbox/php-fpm-5.3:latest. I have written below code for that:

- image: devilbox/php-fpm-5.3:latest

It has given the error:

Seeing a subversion "Failure occurred processing one or more externals definitions" error