Are there any potential pitfalls to be aware of when using the glob() function in PHP to retrieve file names?

Potential pitfalls when using the glob() function in PHP include not handling errors properly, such as when the function fails to retrieve any files or encounters a directory that cannot be accessed. To solve this, it's important to check for errors and handle them gracefully to prevent unexpected behavior in your code.

$files = glob('path/to/files/*');

if ($files === false) {
    echo "Error retrieving files.";
} else {
    foreach ($files as $file) {
        echo $file . "<br>";
    }
}