jidaikobo-shibata/a11yc

<?php
/**
 * Kontiki\Performance
 *
 * @package    part of Kontiki
 * @author     Jidaikobo Inc.
 * @license    The MIT License (MIT)
 * @copyright  Jidaikobo Inc.
 * @link       http://www.jidaikobo.com
 */
namespace Kontiki;

class Performance
{
    public static $beg_time;
    public static $beg_memory;

    /**
     * setBegTime
     *
     * @return Void
     */
    public static function setBegTime()
    {
        static::$beg_time = microtime(true);
    }

    /**
     * setBegMemory
     *
     * @return Void
     */
    public static function setBegMemory()
    {
        static::$beg_memory = memory_get_usage(false);
    }

    /**
     * calcTime
     *
     * @return String
     */
    public static function calcTime()
    {
        return number_format(microtime(true) - static::$beg_time, 2).' sec.';
    }

    /**
     * calcMemory
     *
     * @return String
     */
    public static function calcMemory()
    {
        return round((memory_get_usage(false) - static::$beg_memory) / 1048576, 2).' MB.';
    }
}