src/app/dbtext/model/GroupedDbtextCollection.php
public function has(string $key): bool {
		foreach ($this->dbtextCollections as $dbtextCollection) {
			if ($dbtextCollection->has($key)) {
				return true;
			}
		}

		return false;
	}
public function has(string $key): bool {
		foreach ($this->dbtextCollections as $dbtextCollection) {
			if ($dbtextCollection->has($key)) {
				return true;
			}
		}

		return false;
	}
public function has ( string $ key ) : bool { foreach ( $ this -> dbtextCollections as $ dbtextCollection ) { if ( $ dbtextCollection -> has ( $ key ) ) { return true ; } } return false ; }
{@inheritDoc}
@see \dbtext\model\DbtextCollection::has()
{