EmptyDatabaseResult.php
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EmptyDatabaseResult.php
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	<?php

	/**
	* _, __, _, _ __, _ _, _, _
	* / \ \|_) (_ \| \| \ \| /_\ \|\ \|
	* \ / \|_) , ) \| \|_/ \| \| \| \| \\|
	* ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
	*
	* Empty database result class
	*
	* @package ObsidianWorkspaces
	* @subpackage Keruald
	* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
	* @license http://www.opensource.org/licenses/bsd-license.php BSD
	* @filesource
	*
	*/

	/**
	* Represents an empty database result
	*/
	class EmptyDatabaseResult extends DatabaseResult {
	///
	/// The methods to implement
	///

	/**
	* Gets number of rows in result
	*
	* @return int 0
	*/
	public function numRows () { return 0; }

	/**
	* Fetches a row of the result
	*
	* @param DatabaseResult $result The query result
	* @return array An associative array with the databae result
	*/
	public function fetchRow () { return null; }

	///
	/// IteratorAggregate implementation
	///

	/**
	* Gets an iterator
	*
	* @return Generator an iterator on the query result
	*/
	public function getIterator () {
	return;
	yield; //This unreachable code indicates to the PHP parser this method is a generator
	}

	}