What potential pitfalls should be considered when generating random strings in PHP?

One potential pitfall when generating random strings in PHP is using insecure or predictable randomization methods, which can lead to security vulnerabilities. To mitigate this risk, it is recommended to use a cryptographically secure randomization function like `random_bytes()` or `openssl_random_pseudo_bytes()` to generate random strings.

// Generate a random string using a cryptographically secure method
function generateRandomString($length) {
    return bin2hex(random_bytes($length));
}

// Example usage
$randomString = generateRandomString(16);
echo $randomString;