Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/*
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 * This file is part of the symfony package.
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 * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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/**
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 * sfTimer class allows to time some PHP code.
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 *
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 * @package    symfony
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 * @subpackage util
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 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
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 * @version    SVN: $Id: sfTimer.class.php 9079 2008-05-20 00:38:07Z Carl.Vondrick $
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 */
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class sfTimer
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{
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  protected
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    $startTime = null,
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    $totalTime = null,
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    $name = '',
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    $calls = 0;
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  /**
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   * Creates a new sfTimer instance.
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   *
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   * @param string $name The name of the timer
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   */
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  public function __construct($name = '')
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  {
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    $this->name = $name;
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    $this->startTimer();
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  }
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  /**
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   * Starts the timer.
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   */
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  public function startTimer()
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  {
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    $this->startTime = microtime(true);
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  }
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  /**
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   * Stops the timer and add the amount of time since the start to the total time.
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   *
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   * @return float Time spend for the last call
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   */
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  public function addTime()
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  {
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    $spend = microtime(true) - $this->startTime;
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    $this->totalTime += $spend;
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    ++$this->calls;
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    return $spend;
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  }
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  /**
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   * Gets the number of calls this timer has been called to time code.
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   *
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   * @return integer Number of calls
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   */
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  public function getCalls()
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  {
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    return $this->calls;
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  }
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  /**
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   * Gets the total time elapsed for all calls of this timer.
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   *
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   * @return float Time in seconds
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   */
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  public function getElapsedTime()
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  {
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    if (null === $this->totalTime)
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    {
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      $this->addTime();
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    }
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    return $this->totalTime;
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  }
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}