PS: Benchmark Code

[1unitedpower]

Verzeichnisstruktur:

composer.json
phpbench.json
src/
   FormatDateBench.php

Zum Ausführen:

composer update
 ./vendor/bin/phpbench run src/FormatDateBench.php --report=aggregate --retry-threshold=5

composer.json

{
    "name": "selfhtml/benchmark-format-date",
    "description": "Benchmarks some methods to format date-strings.",
    "type": "project",
    "require": {
        "phpbench/phpbench": "^0.16.9"
    },
    "autoload": {
        "psr-4": {
            "SelfHtml\\": "src"
        }
    }
}

phpbench.json

{
    "bootstrap": "vendor/autoload.php"
}

src/FormatDateBench.php

<?php

namespace SelfHtml;

use \DateTime;
use \DomainException;

class FormatDateBench
{

    public function provideDateStrings()
    {
        yield ['date' => '2019-05-07'];
    }

    /**
     * @ParamProviders({"provideDateStrings"})
     * @Warmup(5)
     * @Revs({10000})
     * @Iterations(5)
     */
    public function benchBernd($params)
    {
        $date = $params['date'];
        $d = explode("-", $date);
        return sprintf("%02d.%02d.%02d", $d[2], $d[1], substr($d[0], 2, 4));
    }

    /**
     * @ParamProviders({"provideDateStrings"})
     * @Warmup(5)
     * @Revs({10000})
     * @Iterations(5)
     */
    public function benchUrsus($params)
    {
        $date = $params['date'];
        if (false === $date) {
            $date = time();
        }
        if ('string' == gettype($date)) {
            return (
                substr($date, 8, 2) . '.' .
                substr($date, 5, 2) . '.' .
                substr($date, 2, 2)
            );
        } elseif ('integer' == gettype($date)) {
            return date('d.m.y', $date);
        } else {
            trigger_error(
                "function date2german: Typ für '$date' nicht implementiert.",
                E_USER_NOTICE
            );
            return false;
        }
    }

    /**
     * @ParamProviders({"provideDateStrings"})
     * @Warmup(5)
     * @Revs({10000})
     * @Iterations(5)
     */
    public function benchDedlfix($params)
    {
        $input = $params['date'];
        return date('d.m.y', strtotime($input));
    }

    /**
     * @ParamProviders({"provideDateStrings"})
     * @Warmup(5)
     * @Revs({10000})
     * @Iterations(5)
     */
    public function benchRolf($params)
    {
        $date = $params['date'];
        switch (gettype($date)) {
            case 'boolean':
                return date('d.m.y');
            case 'integer':
                return date('d.m.y', $date);
            case 'string':
                $yearOffs = strlen($date) == 8 ? 0 : 2;
                $fmtDate = function ($s, $d, $m, $y) {
                    return substr($s, $d, 2).".".substr($s, $m, 2).".".substr($s, $y, 2);
                };
                // yy-mm-dd   oder yyyy-mm-dd
                if ($date[$yearOffs+2] == "-" && $date[$yearOffs+5] == "-")
                    return $fmtDate($date, $yearOffs+6, $yearOffs+3, $yearOffs);
                // dd.mm.yy oder dd.mm.yyyy
                if ($date[2] == "." && $date[5] == ".")
                    return $fmtDate($date, 0, 3, $yearOffs+6);
                // mm/dd/yy oder mm/dd/yyyy
                if ($date[2] == "/" && $date[5] == "/")
                    return $fmtDate($date, 3, 0, $yearOffs+6);
        }
        trigger_error(
            "function date2german: Typ für '$date' nicht implementiert.",
            E_USER_NOTICE
        );
        return false;
    }

    /**
     * @ParamProviders({"provideDateStrings"})
     * @Warmup(5)
     * @Revs({10000})
     * @Iterations(5)
     */
    public function bench1UnitedPower($params)
    {
        $input = $params['date'];
        $dateTime = DateTime::createFromFormat('Y-m-d', $input);
        if ($dateTime instanceof DateTime) {
            return $dateTime->format('d.m.y');
        } else {
            throw new DomainException("$input does not match the expected format yyyy-mm-dd.");
        }
    }
}