Joshimane: A Tiny PHP Benchmarking Framework... But it's just a prototype yet.

example.php

<?php
require_once './Joshimane.php';

// Create a pretty Joshimane!!!
$joshimane = new Joshimane;

// Creates Job A.
$jobA = $joshimane->createJob(function () {
    $range = range(1, 100);
    for ($i = 0; $i < count($range); $i++);
});

// Creates Job B too.
$jobB = $joshimane->createJob(function () {
    $range = range(1, 100);
    $count = count($range); // The difference. Gets a count at first.
    for ($i = 0; $i < $count; $i++);
});

// Runs both of jobs 10,000 times.
$resultA = $jobA->run(10000);
$resultB = $jobB->run(10000);

// Dispalys both of job's result.
$format = '%0.8f';
echo "Job A: ", $resultA->getTotalTime($format), PHP_EOL;
echo "Job B: ", $resultB->getTotalTime($format), PHP_EOL;

Job.php

<?php
/**
 * Joshimane_Job
 *
 * A class contains a job under the benchmarking test as a callback.
 *
 * @author Yuya Takeyama
 */
class Joshimane_Job
{
    /**
     * A job under the benchmarking test.
     *
     * @var Closure
     */
    protected $_callback;

    /**
     * Constructor.
     *
     * @param Closure $callback A job as an anonymous function.
     */
    public function __construct($callback)
    {
        $this->_callback = $callback;
    }

    /**
     * Runs job N times.
     *
     * @param  int $times Times the job runs.
     * @return Joshimane_Result
     */
    public function run($times = 100)
    {
        $begin = microtime(true);
        for ($i = 0; $i < $times; $i++) {
            $this->_callback->__invoke();
        }
        $end = microtime(true);
        return new Joshimane_Result(array(
            'begin' => $begin,
            'end'   => $end
        ));
    }
}

Joshimane.php

<?php
/**
 * Joshimane: A Tiny PHP Benchmarking Framework.
 *
 * Joshimane Drives Our Development.
 *
 * @author Yuya Takeyama
 */

require_once __DIR__ . '/Joshimane/Job.php';
require_once __DIR__ . '/Joshimane/Result.php';

class Joshimane
{
    public function createJob($callback)
    {
        return new Joshimane_Job($callback);
    }
}

Result.php

<?php
/**
 * Joshimane_Result
 *
 * A class contains benchmarking result.
 *
 * @author Yuya Takeyama
 */
class Joshimane_Result
{
    /**
     * Constructor.
     *
     * @param array $params Parameters of the job result.
     *              + begin float When the job had begun.
     *              + end   float When the job had ended.
     */
    public function __construct($params)
    {
        $this->_begin = $params['begin'];
        $this->_end   = $params['end'];
    }

    /**
     * Gets the total time elapsed.
     *
     * @param string $format Format string passed to sprintf().
     * @return float|string
     */
    public function getTotalTime($format = NULL)
    {
        if (is_null($format)) {
            $result =  $this->_end - $this->_begin;
        } else {
            $result = sprintf($format, $this->_end - $this->_begin);
        }
        return $result;
    }
}