Online PHP editor | perf for 6KOo4

@ 2021-06-02T23:11:31Z

<?php

/********************** OBJECTS **********************/

interface OldInterface {}
class OldA implements OldInterface {}
class OldB implements OldInterface {}

interface NewInterface {}
class NewA implements NewInterface {}
class NewB implements NewInterface {}

/********************** CONVERTERS **********************/

interface ConverterInterface
{
    public function supports(OldInterface $old): bool;
    public function convert(OldInterface $old): NewInterface;
}

class AConverter implements ConverterInterface
{
    public function supports(OldInterface $old): bool
    {
        return $old instanceof OldA;
    }

    public function convert(OldInterface $old): NewInterface
    {
        return new NewA();
    }
}

class BConverter implements ConverterInterface
{
    public function supports(OldInterface $old): bool
    {
        return $old instanceof OldB;
    }

    public function convert(OldInterface $old): NewInterface
    {
        return new NewB();
    }
}

/********************** CONVERTER DISCOVERER **********************/

interface ConverterDiscovererInterface
{
    public function discoverConverterFor(OldInterface $old): ?ConverterInterface;
}

class ConverterDiscoverer implements ConverterDiscovererInterface
{
    /**
     * @param ConverterInterface[] $converters
     */
    public function __construct(private array $converters) {}

    public function discoverConverterFor(OldInterface $old): ?ConverterInterface
    {
        foreach ($this->converters as $converter) {
            if ($converter->supports($old)) {
                return $converter;
            }
        }

        return null;
    }
}

/********************** MASS CONVERTER **********************/

class MassConverter
{
    public function __construct(private ConverterDiscovererInterface $converterDiscoverer) {}

    /**
     * @param OldInterface[] $oldObjects
     * @return NewInterface[]
     */
    public function massConvert(array $oldObjects): array
    {
        $newObjects = [];

        foreach ($oldObjects as $oldObject) {
            $converter = $this->converterDiscoverer->discoverConverterFor($oldObject);
            if ($converter !== null) {
                $newObjects[] = $converter->convert($oldObject);
            }
        }

        return $newObjects;
    }
}

/********************** SAMPLE **********************/

$converterDiscoverer = new ConverterDiscoverer([new AConverter(), new BConverter()]);
$massConverter = new MassConverter($converterDiscoverer);

var_dump($massConverter->massConvert([new OldA(), new OldB()]));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.4.14	0.012	0.009	17.48
8.4.13	0.013	0.008	17.63
8.4.12	0.012	0.008	22.31
8.4.11	0.009	0.011	22.57
8.4.10	0.011	0.015	20.89
8.4.9	0.015	0.006	20.70
8.4.8	0.011	0.008	17.75
8.4.7	0.005	0.003	18.03
8.4.6	0.014	0.007	19.12
8.4.5	0.012	0.008	19.71
8.4.4	0.012	0.009	19.69
8.4.3	0.010	0.000	18.94
8.4.2	0.013	0.007	18.79
8.4.1	0.006	0.003	17.83
8.3.26	0.009	0.011	16.69
8.3.25	0.014	0.004	18.88
8.3.24	0.013	0.007	19.02
8.3.23	0.011	0.009	16.82
8.3.22	0.011	0.009	17.42
8.3.21	0.013	0.006	16.82
8.3.20	0.004	0.004	16.48
8.3.19	0.011	0.008	17.37
8.3.18	0.009	0.005	16.36
8.3.17	0.009	0.009	16.54
8.3.16	0.009	0.010	18.61
8.3.15	0.016	0.004	17.36
8.3.14	0.013	0.007	16.69
8.3.13	0.004	0.004	18.32
8.3.12	0.003	0.006	20.73
8.3.11	0.010	0.010	20.94
8.3.10	0.004	0.004	24.06
8.3.9	0.010	0.010	26.77
8.3.8	0.004	0.004	16.63
8.3.7	0.003	0.013	16.75
8.3.6	0.012	0.003	18.43
8.3.5	0.007	0.011	16.64
8.3.4	0.009	0.009	18.97
8.3.3	0.014	0.003	18.84
8.3.2	0.004	0.004	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.005	0.002	26.16
8.2.29	0.014	0.005	20.49
8.2.28	0.010	0.010	18.56
8.2.27	0.007	0.007	16.86
8.2.26	0.013	0.007	18.77
8.2.25	0.008	0.000	18.36
8.2.24	0.008	0.000	18.88
8.2.23	0.008	0.000	22.58
8.2.22	0.003	0.006	37.54
8.2.21	0.012	0.006	26.77
8.2.20	0.006	0.003	16.50
8.2.19	0.007	0.010	16.63
8.2.18	0.008	0.012	25.92
8.2.17	0.007	0.011	18.91
8.2.16	0.010	0.003	22.96
8.2.15	0.008	0.000	25.66
8.2.14	0.004	0.004	24.66
8.2.13	0.008	0.000	26.16
8.2.12	0.000	0.014	26.35
8.2.11	0.003	0.006	20.53
8.2.10	0.006	0.003	20.51
8.1.33	0.013	0.006	22.04
8.1.32	0.012	0.007	16.41
8.1.31	0.008	0.000	16.76
8.1.30	0.003	0.006	18.43
8.1.29	0.004	0.004	30.84
8.1.28	0.015	0.004	25.92
8.1.27	0.000	0.008	23.99
8.1.26	0.003	0.006	26.35
8.1.25	0.004	0.004	28.09
8.1.24	0.006	0.006	19.00
8.1.23	0.007	0.007	18.87
8.0.3	0.008	0.011	17.02
8.0.2	0.011	0.004	17.07
8.0.1	0.003	0.011	17.07
8.0.0	0.007	0.007	17.09
7.4.16	0.009	0.006	16.42
7.4.15	0.010	0.003	16.48
7.4.14	0.007	0.007	16.50
7.4.13	0.000	0.013	16.39
7.4.12	0.010	0.003	16.21
7.4.11	0.006	0.012	16.19
7.4.10	0.008	0.006	16.40
7.4.9	0.013	0.000	16.25
7.4.8	0.010	0.003	16.29
7.4.7	0.007	0.007	16.21
7.4.6	0.006	0.007	16.29
7.4.5	0.006	0.007	16.33
7.4.4	0.013	0.000	16.16
7.4.3	0.009	0.006	16.20
7.4.2	0.004	0.011	16.33
7.4.1	0.014	0.000	16.32
7.4.0	0.007	0.007	16.34
7.3.28	0.009	0.009	16.18
7.3.27	0.003	0.010	16.18
7.3.26	0.007	0.007	16.14
7.3.25	0.010	0.003	16.12
7.3.24	0.008	0.005	16.13
7.3.23	0.013	0.003	16.18
7.3.22	0.006	0.009	16.15
7.3.21	0.006	0.008	16.05
7.3.20	0.003	0.010	16.15
7.3.19	0.011	0.011	16.07
7.3.18	0.000	0.013	16.15
7.3.17	0.003	0.010	16.05
7.3.16	0.007	0.007	16.03
7.3.15	0.007	0.007	16.14
7.3.14	0.011	0.003	16.11
7.3.13	0.007	0.007	16.08
7.3.12	0.007	0.006	16.05
7.3.11	0.006	0.012	16.05
7.3.10	0.010	0.003	15.93
7.3.9	0.003	0.010	16.34
7.3.8	0.010	0.003	16.09
7.3.7	0.004	0.011	16.18
7.3.6	0.007	0.007	16.27
7.3.5	0.010	0.007	16.25
7.3.4	0.010	0.010	16.27
7.3.3	0.003	0.010	16.18
7.3.2	0.006	0.013	16.26
7.3.1	0.003	0.017	16.30
7.3.0	0.003	0.017	16.15

preferences:dark modelive previewkey bindings