DatabaseResult.php
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DatabaseResult.php
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	<?php

	namespace Keruald\Database\Result;

	use IteratorAggregate;

	/**
	* Represents a database result
	*/
	abstract class DatabaseResult implements IteratorAggregate {

	/**
	* Gets number of rows in result
	*/
	public abstract function numRows () : int;

	/**
	* Fetches a row of the result
	* @return array\|null An array if there is still a row to read; null if not.
	*/
	public abstract function fetchRow () : ?array;
	}