How can the code be optimized to avoid unnecessary complexity and improve efficiency in file inclusion in PHP?

To avoid unnecessary complexity and improve efficiency in file inclusion in PHP, we can use the `require_once` function instead of `include` or `require` to include files. This ensures that a file is only included once, preventing duplicate inclusions and reducing potential issues with redeclaring functions or classes. Additionally, using absolute paths or defining a base path can help streamline file inclusions and make the code more maintainable. 

<?php
// Define a base path for file inclusions
define('BASE_PATH', __DIR__);

// Include a file using require_once
require_once BASE_PATH . '/path/to/file.php';

Keywords

PHP file inclusion optimization efficiency complexity

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