class PHP_Timer in Zircon Profile 8

Utility class for timing.

@since Class available since Release 1.0.0

Hierarchy

• class \PHP_Timer

1 string reference to 'PHP_Timer'

PHPUnit_Framework_TestCase::createGlobalStateSnapshot in vendor/phpunit/phpunit/src/Framework/TestCase.php

File

vendor/phpunit/php-timer/src/Timer.php, line 16

class PHP_Timer {

  /**
   * @var array
   */
  private static $times = array(
    'hour' => 3600000,
    'minute' => 60000,
    'second' => 1000,
  );

  /**
   * @var array
   */
  private static $startTimes = array();

  /**
   * @var float
   */
  public static $requestTime;

  /**
   * Starts the timer.
   */
  public static function start() {
    array_push(self::$startTimes, microtime(true));
  }

  /**
   * Stops the timer and returns the elapsed time.
   *
   * @return float
   */
  public static function stop() {
    return microtime(true) - array_pop(self::$startTimes);
  }

  /**
   * Formats the elapsed time as a string.
   *
   * @param  float  $time
   * @return string
   */
  public static function secondsToTimeString($time) {
    $ms = round($time * 1000);
    foreach (self::$times as $unit => $value) {
      if ($ms >= $value) {
        $time = floor($ms / $value * 100.0) / 100.0;
        return $time . ' ' . ($time == 1 ? $unit : $unit . 's');
      }
    }
    return $ms . ' ms';
  }

  /**
   * Formats the elapsed time since the start of the request as a string.
   *
   * @return string
   */
  public static function timeSinceStartOfRequest() {
    return self::secondsToTimeString(microtime(true) - self::$requestTime);
  }

  /**
   * Returns the resources (time, memory) of the request as a string.
   *
   * @return string
   */
  public static function resourceUsage() {
    return sprintf('Time: %s, Memory: %4.2fMb', self::timeSinceStartOfRequest(), memory_get_peak_usage(true) / 1048576);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PHP_Timer::$requestTime	public static	property
PHP_Timer::$startTimes	private static	property
PHP_Timer::$times	private static	property
PHP_Timer::resourceUsage	public static	function	Returns the resources (time, memory) of the request as a string.
PHP_Timer::secondsToTimeString	public static	function	Formats the elapsed time as a string.
PHP_Timer::start	public static	function	Starts the timer.
PHP_Timer::stop	public static	function	Stops the timer and returns the elapsed time.
PHP_Timer::timeSinceStartOfRequest	public static	function	Formats the elapsed time since the start of the request as a string.