# hasFallback

Learn how to check whether a fallback was set.

This method checks whether a fallback value has been set for the evaluation.

## Signature

This method has the following signature:

```php
public function hasFallback(): bool
```

This method returns `true` when a fallback has been set, or `false` otherwise (the default).

## Example

Here is a basic example of how to use this method:

```php
<?php
use Croct\Plug\EvaluationOptions;

$options = EvaluationOptions::defaults()->withFallback(false);
$hasFallback = $options->hasFallback();
```