How can PHP beginners effectively troubleshoot issues with including files in their scripts?

When including files in PHP scripts, beginners may encounter issues such as incorrect file paths or typos in the file names. To troubleshoot these issues, beginners can use the `require_once` or `include_once` functions to include files and ensure that the paths and file names are correct. 

<?php
// Correct way to include a file using require_once
require_once 'path/to/file.php';

// Correct way to include a file using include_once
include_once 'path/to/file.php';
?>

Keywords

include require include_once require_once file path

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