Online PHP editor | perf for smcDi

@ 2024-01-13T19:28:15Z

<?php

interface StrategyInterface
{
    public function run();
}

class Strategy implements StrategyInterface
{
    protected ?string $value = null;
    private static $counter = 0;

    public function __construct(private Closure $closure)
    {
        echo "Strategy Counter: ", ++self::$counter, PHP_EOL;
        $this->value = (string)rand(1, 100);
    }

    public function run()
    {
        $this->closure->call($this);
    }

    public function __destruct()
    {
        echo "Strategy Counter: ", --self::$counter, PHP_EOL;
    }
}

$strategy1 = new Strategy(function () {
    var_dump($this->value);
});

$strategy2 = new Strategy(function () {
    var_dump($this->value);
});

$strategy3 = new Strategy(function () {
    var_dump($this->value);
});


$strategy1->run();
$strategy1 = null;
$strategy2->run();
unset($strategy2);
$strategy3->run();

$strategy4 = new Strategy(function () {
    var_dump($this->value);
});

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)
8.3.1	0.006	0.012	23.48
8.3.0	0.000	0.017	20.71
8.2.14	0.006	0.009	21.93
8.2.13	0.010	0.010	22.29
8.2.12	0.012	0.009	20.75
8.2.11	0.013	0.007	20.82
8.2.10	0.013	0.007	20.74
8.2.9	0.011	0.008	20.69
8.2.8	0.015	0.003	20.73
8.2.7	0.007	0.011	20.45
8.2.6	0.013	0.003	20.45
8.2.5	0.009	0.012	20.45
8.2.4	0.012	0.006	20.57
8.2.3	0.013	0.006	20.41
8.2.2	0.010	0.010	20.60
8.2.1	0.014	0.007	20.56
8.2.0	0.017	0.003	20.55
8.1.27	0.017	0.003	21.92
8.1.26	0.017	0.003	23.79
8.1.25	0.003	0.016	23.79
8.1.24	0.016	0.003	20.41
8.1.23	0.007	0.003	20.29
8.1.22	0.000	0.008	20.83
8.1.21	0.013	0.003	20.32
8.1.20	0.016	0.000	20.66
8.1.19	0.011	0.004	20.46
8.1.18	0.004	0.011	20.20
8.1.17	0.009	0.006	20.45
8.1.16	0.003	0.010	20.26
8.1.15	0.006	0.003	20.16
8.1.14	0.008	0.000	20.35
8.1.13	0.004	0.004	20.65
8.1.12	0.006	0.003	20.45
8.1.11	0.003	0.006	20.29
8.1.10	0.012	0.006	20.38
8.1.9	0.011	0.004	20.32
8.1.8	0.004	0.004	20.34
8.1.7	0.012	0.003	20.46
8.1.6	0.004	0.011	20.46
8.1.5	0.009	0.006	20.32
8.1.4	0.008	0.000	20.50
8.1.3	0.006	0.003	20.50
8.1.2	0.005	0.005	20.52
8.1.1	0.003	0.005	20.52
8.1.0	0.008	0.000	20.35

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