In what scenarios would it be necessary to use a local test environment with Apache and PHP, and what are the potential drawbacks or limitations of such a setup?

It is necessary to use a local test environment with Apache and PHP when developing or testing web applications to ensure that changes work correctly before deploying them to a live server. This setup allows developers to work offline, experiment with different configurations, and troubleshoot issues without affecting the live site. However, potential drawbacks include differences in server configurations between the local environment and the live server, which may lead to unexpected behavior when deploying the code.

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