What are some common pitfalls that website developers may encounter when working with PHP modules, and how can they be avoided?

One common pitfall that website developers may encounter when working with PHP modules is version compatibility issues. To avoid this, developers should always check the version requirements of the modules they are using and ensure that they are compatible with the PHP version running on their server. 

// Example of checking version compatibility before using a PHP module
if (version_compare(PHP_VERSION, '7.0.0', '<')) {
    die('This module requires PHP 7.0 or higher');
}

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