How can one ensure that the paths are correctly specified when including files in PHP for navigation?

When including files in PHP for navigation, it's important to ensure that the paths are correctly specified to avoid errors. One way to do this is by using the `__DIR__` constant to get the absolute path of the current file and then concatenating it with the relative path to the included file. 

<?php
// Include file for navigation
include __DIR__ . '/includes/navigation.php';
?>

Keywords

include require file paths navigation PHP

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