EmptyDatabaseResult.php
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EmptyDatabaseResult.php
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	<?php

	namespace Keruald\Database\Result;

	use EmptyIterator;
	use Traversable;

	/**
	* Represents an empty database result, independent of the used database.
	*/
	class EmptyDatabaseResult extends DatabaseResult {

	///
	/// DatabaseResult implementation
	///

	public function numRows () : int {
	return 0;
	}

	public function fetchRow () : ?array {
	return null;
	}

	///
	/// IteratorAggregate implementation
	///

	public function getIterator () : Traversable {
	return new EmptyIterator();
	}

	}