# Validity Criterion

The [Validity URL Criterion](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Core-Repository-Values-URL-Query-Criterion-Validity.html) matches URLs based on a validity flag.

## Arguments

- `isValid` - bool representing whether the matcher selects only valid URLs

## Example

```
$query->filter = new Criterion\Validity(true);
```