File: vendor/phpunit/php-timer/src/Timer.php

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File: vendor/phpunit/php-timer/src/Timer.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Pokemon Script
Provides an API to manage a database of Pokemons
Author: By
Last change:
Date: 2 years ago
Size: 2,319 bytes
 

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<?php
/*
 * This file is part of the PHP_Timer package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Utility class for timing.
 */
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
       
);
    }
}

if (isset(
$_SERVER['REQUEST_TIME_FLOAT'])) {
   
PHP_Timer::$requestTime = $_SERVER['REQUEST_TIME_FLOAT'];
} elseif (isset(
$_SERVER['REQUEST_TIME'])) {
   
PHP_Timer::$requestTime = $_SERVER['REQUEST_TIME'];
} else {
   
PHP_Timer::$requestTime = microtime(true);
}


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