How can developers ensure better code readability and maintainability in PHP projects with multiple links and pages?

To ensure better code readability and maintainability in PHP projects with multiple links and pages, developers can utilize a modular approach by breaking down the code into smaller, reusable components. This can be achieved by creating separate PHP files for different functionalities, using include or require statements to link them together. Additionally, implementing a clear folder structure and naming conventions can help organize the codebase and make it easier to navigate.

// index.php
<?php
include 'header.php';
include 'navigation.php';

// Main content here

include 'sidebar.php';
include 'footer.php';
?>