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lnkohana/modules/codebench/classes/Bench/DateSpan.php
2013-04-22 14:09:50 +10:00

186 lines
4.1 KiB
PHP

<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* @package Kohana/Codebench
* @category Tests
* @author Woody Gilk <woody.gilk@kohanaphp.com>
*/
class Bench_DateSpan extends Codebench {
public $description =
'Optimization for <code>Date::span()</code>.';
public $loops = 1000;
public $subjects = array();
public function __construct()
{
parent::__construct();
$this->subjects = array(
time(),
time() - Date::MONTH,
time() - Date::YEAR,
time() - Date::YEAR * 10,
);
}
// Original method
public static function bench_span_original($remote, $local = NULL, $output = 'years,months,weeks,days,hours,minutes,seconds')
{
// Array with the output formats
$output = preg_split('/[^a-z]+/', strtolower( (string) $output));
// Invalid output
if (empty($output))
return FALSE;
// Make the output values into keys
extract(array_flip($output), EXTR_SKIP);
if ($local === NULL)
{
// Calculate the span from the current time
$local = time();
}
// Calculate timespan (seconds)
$timespan = abs($remote - $local);
if (isset($years))
{
$timespan -= Date::YEAR * ($years = (int) floor($timespan / Date::YEAR));
}
if (isset($months))
{
$timespan -= Date::MONTH * ($months = (int) floor($timespan / Date::MONTH));
}
if (isset($weeks))
{
$timespan -= Date::WEEK * ($weeks = (int) floor($timespan / Date::WEEK));
}
if (isset($days))
{
$timespan -= Date::DAY * ($days = (int) floor($timespan / Date::DAY));
}
if (isset($hours))
{
$timespan -= Date::HOUR * ($hours = (int) floor($timespan / Date::HOUR));
}
if (isset($minutes))
{
$timespan -= Date::MINUTE * ($minutes = (int) floor($timespan / Date::MINUTE));
}
// Seconds ago, 1
if (isset($seconds))
{
$seconds = $timespan;
}
// Remove the variables that cannot be accessed
unset($timespan, $remote, $local);
// Deny access to these variables
$deny = array_flip(array('deny', 'key', 'difference', 'output'));
// Return the difference
$difference = array();
foreach ($output as $key)
{
if (isset($$key) AND ! isset($deny[$key]))
{
// Add requested key to the output
$difference[$key] = $$key;
}
}
// Invalid output formats string
if (empty($difference))
return FALSE;
// If only one output format was asked, don't put it in an array
if (count($difference) === 1)
return current($difference);
// Return array
return $difference;
}
// Using an array for the output
public static function bench_span_use_array($remote, $local = NULL, $output = 'years,months,weeks,days,hours,minutes,seconds')
{
// Array with the output formats
$output = preg_split('/[^a-z]+/', strtolower( (string) $output));
// Invalid output
if (empty($output))
return FALSE;
// Convert the list of outputs to an associative array
$output = array_combine($output, array_fill(0, count($output), 0));
// Make the output values into keys
extract(array_flip($output), EXTR_SKIP);
if ($local === NULL)
{
// Calculate the span from the current time
$local = time();
}
// Calculate timespan (seconds)
$timespan = abs($remote - $local);
if (isset($output['years']))
{
$timespan -= Date::YEAR * ($output['years'] = (int) floor($timespan / Date::YEAR));
}
if (isset($output['months']))
{
$timespan -= Date::MONTH * ($output['months'] = (int) floor($timespan / Date::MONTH));
}
if (isset($output['weeks']))
{
$timespan -= Date::WEEK * ($output['weeks'] = (int) floor($timespan / Date::WEEK));
}
if (isset($output['days']))
{
$timespan -= Date::DAY * ($output['days'] = (int) floor($timespan / Date::DAY));
}
if (isset($output['hours']))
{
$timespan -= Date::HOUR * ($output['hours'] = (int) floor($timespan / Date::HOUR));
}
if (isset($output['minutes']))
{
$timespan -= Date::MINUTE * ($output['minutes'] = (int) floor($timespan / Date::MINUTE));
}
// Seconds ago, 1
if (isset($output['seconds']))
{
$output['seconds'] = $timespan;
}
if (count($output) === 1)
{
// Only a single output was requested, return it
return array_pop($output);
}
// Return array
return $output;
}
}