What is the purpose of using PHP to display navigation on a website?

Using PHP to display navigation on a website allows for easy management and updating of navigation elements across multiple pages. By creating a separate PHP file for the navigation menu and including it on each page using PHP include function, any changes made to the navigation menu will automatically reflect on all pages. This helps to maintain consistency and saves time when updating the website. 

// navigation.php
<nav>
    <ul>
        <li><a href="index.php">Home</a></li>
        <li><a href="about.php">About</a></li>
        <li><a href="services.php">Services</a></li>
        <li><a href="contact.php">Contact</a></li>
    </ul>
</nav>
```

To include the navigation menu on a webpage:

```php
<?php include 'navigation.php'; ?>

Keywords

PHP navigation website display functionality

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