What are some potential errors that may occur when using PHP include functions and how can they be resolved?

One potential error when using PHP include functions is including a file that does not exist, which can result in a warning or fatal error. To resolve this, you can use the `file_exists()` function to check if the file exists before including it. 

if (file_exists('path/to/file.php')) {
    include 'path/to/file.php';
} else {
    echo 'File not found';
}

Keywords

PHP include errors resolution file paths syntax errors

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