Online PHP editor | perf for sogd6

@ 2023-02-18T14:12:20Z

<?php

class Thing {
    public function __construct(
        public readonly string $name,
        public readonly ?Thing $left = null,
        public readonly ?Thing $right = null,
    ) {
        
    }
    public function hasThings(): bool {
        return  $this->left || $this->right;
    }
    public function getThingDepth(): int{
        if(!$this->hasThings()) {
            return 1;
        }
        return max($this->left->getThingDepth(), $this->right->getThingDepth()) + 1;
    }
    public function getHtml(): string {
        $buf = [];
        $buf[] = '<table>';
        $buf[] = '<tr>';
        $buf[] = '<td>';
        $buf[] = $this->name;
        $buf[] = '</td>';
        if($this->hasThings()){
            $buf[] = '<td>';
            $buf[] = $this?->left->getHtml() ?? '-';
            $buf[] = $this?->right->getHtml() ?? '-';
            $buf[] = '</td>';
        }
        $buf[] = '</tr>';
        $buf[] = '</table>';
        
        return implode("\n", $buf);
    }
}

$me = new Thing(
    'Child',
    new Thing('Dad', new Thing('Dad\'s dad'), new Thing('Dad\'s mom')),
    new Thing('Mom', new Thing('Mom\'s dad'), new Thing('Mom\'s mom')),
);

echo $me->getHtml();

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)
8.5.1	0.012	0.006	20.27
8.5.0	0.014	0.008	20.09
8.4.16	0.006	0.004	24.05
8.4.15	0.006	0.007	16.91
8.4.14	0.015	0.007	17.73
8.4.13	0.014	0.008	17.79
8.4.12	0.013	0.007	24.27
8.4.11	0.012	0.005	19.10
8.4.10	0.009	0.012	18.70
8.4.9	0.011	0.009	20.70
8.4.8	0.005	0.004	18.98
8.4.7	0.009	0.007	20.75
8.4.6	0.012	0.008	18.82
8.4.5	0.008	0.010	20.54
8.4.4	0.007	0.010	19.40
8.4.3	0.006	0.013	18.56
8.4.2	0.009	0.000	19.55
8.4.1	0.009	0.006	22.21
8.3.28	0.002	0.000	14.05
8.3.27	0.011	0.009	16.71
8.3.26	0.013	0.006	16.77
8.3.25	0.007	0.004	17.18
8.3.24	0.013	0.007	17.33
8.3.23	0.012	0.009	16.57
8.3.22	0.013	0.006	18.88
8.3.21	0.012	0.003	18.38
8.3.20	0.005	0.004	16.60
8.3.19	0.015	0.004	17.41
8.3.18	0.010	0.009	19.25
8.3.17	0.009	0.009	16.70
8.3.16	0.009	0.009	17.11
8.3.15	0.006	0.003	17.22
8.3.14	0.014	0.004	20.94
8.3.13	0.004	0.004	18.26
8.3.12	0.003	0.012	19.17
8.3.11	0.006	0.012	16.71
8.3.10	0.011	0.004	16.78
8.3.5	0.004	0.004	16.63
8.2.29	0.009	0.011	20.48
8.2.28	0.011	0.008	18.24
8.2.27	0.010	0.010	18.65
8.2.26	0.000	0.008	16.69
8.2.25	0.004	0.004	18.39
8.2.24	0.003	0.006	17.07
8.2.23	0.004	0.004	18.25
8.2.22	0.010	0.010	16.45
8.2.3	0.005	0.003	18.90
8.1.33	0.005	0.005	21.96
8.1.32	0.011	0.009	16.16
8.1.31	0.003	0.006	17.96
8.1.30	0.009	0.000	18.33

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