Online PHP editor | perf for CfuF7

@ 2022-07-23T04:14:44Z

<?php

interface MultitonInterface {
    public static function getInstance(string $key);
}

trait MultitonTrait
{
    private static array $instance = [];

    public static function getInstance(string $key): self
    {
        if (!array_key_exists($key, self::$instance)) {
            self::$instance[$key] = new self;
        }

        return self::$instance[$key];
    }
}

class Database implements MultitonInterface
{
    use MultitonTrait;

    private function __construct(){}
    private function __clone(){}
    public function __wakeup(){}

    public function connect()
    {
        echo "...";
    }
}

$db = Database::getInstance('mysql');
$db->connect();

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)
8.3.7	0.012	0.006	16.63
8.3.6	0.016	0.006	16.74
8.3.5	0.011	0.011	20.34
8.3.4	0.013	0.007	22.03
8.3.3	0.006	0.009	18.63
8.3.2	0.000	0.007	24.18
8.3.1	0.007	0.000	24.66
8.3.0	0.008	0.000	26.16
8.2.19	0.007	0.007	16.63
8.2.18	0.008	0.008	25.92
8.2.17	0.015	0.006	18.91
8.2.16	0.012	0.009	22.96
8.2.15	0.000	0.007	25.66
8.2.14	0.008	0.000	24.66
8.2.13	0.006	0.003	26.16
8.2.12	0.000	0.007	21.02
8.2.11	0.009	0.000	20.45
8.2.10	0.009	0.000	20.41
8.1.28	0.016	0.010	25.92
8.1.27	0.003	0.006	23.99
8.1.26	0.004	0.004	26.35
8.1.25	0.003	0.006	28.09
8.1.24	0.004	0.004	18.59
8.1.23	0.003	0.007	18.62
8.1.8	0.002	0.006	17.41

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