What are the best practices for storing and managing configuration values in PHP projects?

Storing and managing configuration values in PHP projects is crucial for maintaining code readability, scalability, and security. One best practice is to store configuration values in a separate file, such as a PHP file or a JSON file, to keep them organized and easily accessible. Additionally, using constants or environment variables for sensitive information like API keys can help enhance security. 

// config.php

define('DB_HOST', 'localhost');
define('DB_USER', 'username');
define('DB_PASS', 'password');
define('DB_NAME', 'database_name');

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configuration values PHP projects storing managing best practices

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