How can using an INI configuration file improve organization and flexibility in PHP projects?

Using an INI configuration file can improve organization and flexibility in PHP projects by centralizing all configuration settings in one file, making it easier to manage and update. It also allows for different environments (such as development, staging, production) to have their own configuration files, reducing the risk of errors. Additionally, using an INI file separates configuration from code, promoting better code maintenance and readability.

// Load configuration settings from an INI file
$config = parse_ini_file('config.ini');

// Access configuration settings
$databaseHost = $config['database']['host'];
$databaseUsername = $config['database']['username'];
$databasePassword = $config['database']['password'];