How can PHP beginners effectively troubleshoot errors related to including files?

When troubleshooting errors related to including files in PHP, beginners can first check the file paths to ensure they are correct. They can also use functions like `file_exists()` to verify if the file is being included properly. Additionally, using `require_once` instead of `include` can help prevent issues with multiple inclusions of the same file. 

// Check if the file exists before including it
if (file_exists('path/to/file.php')) {
    require_once 'path/to/file.php';
} else {
    echo 'File not found!';
}

Keywords

PHP include require error handling debugging

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