FixedTimeLimit.php
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FixedTimeLimit.php
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	<?php
	namespace Eris\Shrinker;

	class FixedTimeLimit implements TimeLimit
	{
	private $maximumIntervalLength;
	private $clock;
	private $startOfTheInterval;

	public static function realTime($maximumIntervalLength)
	{
	return new self($maximumIntervalLength, 'time');
	}

	/**
	* @param int $maximumIntervalLength in seconds
	*/
	public function __construct($maximumIntervalLength, callable $clock)
	{
	$this->maximumIntervalLength = $maximumIntervalLength;
	$this->clock = $clock;
	}

	public function start()
	{
	$this->startOfTheInterval = call_user_func($this->clock);
	}

	public function hasBeenReached()
	{
	$actualIntervalLength = call_user_func($this->clock) - $this->startOfTheInterval;
	return $actualIntervalLength >= $this->maximumIntervalLength;
	}

	public function __toString()
	{
	$actualIntervalLength = call_user_func($this->clock) - $this->startOfTheInterval;
	return "{$actualIntervalLength}s elapsed of {$this->maximumIntervalLength}s";
	}
	}