Online PHP editor | perf for DLGgU

@ 2026-08-20T11:05:20Z

<?php

enum FormatOutput: string
{
    case Text = '666777';
    case Html = 'html';
}

const SOMECONST = 'Const hello';

function SomeFunction()
{
}

$SomeFunctionClosure = function() {
};

$SomeFunctionFirstClassCallable = SomeFunction(...);

$someFunctionClosureFromCallabe = Closure::fromCallable('SomeFunction');

$arrowFunction = fn($a) => $a;

$testcases = [
    666777,
    '666777', 
    FormatOutput::Text,
    
    // For testing purposes: let's see what every type does...
    SOMECONST,
    'abc',
    -6,
    7,
    -6.7,
    null,
    true,
    false,
    
    ['a', 'b', 'c'],
    [6 => 'six', 7 => 'seven', 67 => 'six seven'],
    ['a' => 'a', 'b' => 'b', 'c' => 'c', 0 => 'Zero'],
    
    function() {},
    $SomeFunctionClosure,
    $SomeFunctionFirstClassCallable,
    $someFunctionClosureFromCallabe,
    $arrowFunction,
    
    new DateTimeImmutable(),
    fopen('php://memory', 'w+'),
];

foreach($testcases as $testcase) {
    echo '--------------[ TESTCASE ]--------------'."\n";
    var_dump($testcase);
    echo "\n";
    
    echo '--- tryFrom()'."\n";
    try {
        $value = FormatOutput::tryFrom($testcase);
        if ($value !== null) {
            echo 'Value is '.$value->name.' with value '.$value->value.'.'."\n";
        } else {
            echo 'Value is NULL.'."\n";
        }
    } catch (Throwable $exception) {
        echo $exception::class, ': ', $exception->getMessage(), "\n";
    }
    
    echo '--- from()'."\n";
    try {
        $value = FormatOutput::from($testcase);
        if ($value !== null) {
            echo 'Value is '.$value->name.' with value '.$value->value.'.'."\n";
        } else {
            echo 'Value is NULL.'."\n";
        }
    } catch (Throwable $exception) {
        echo $exception::class, ': ', $exception->getMessage(), "\n";
    }
    
    echo "\n";
    echo "\n";
    echo "\n";
}

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)
8.5.9	0.032	0.009	17.02
8.5.8	0.035	0.008	17.00
8.5.7	0.033	0.008	16.95
8.5.6	0.032	0.008	17.06
8.5.5	0.035	0.005	16.91
8.5.4	0.032	0.009	16.95
8.5.3	0.036	0.006	17.14
8.5.2	0.034	0.012	16.76
8.5.1	0.031	0.007	17.01
8.5.0	0.012	0.006	17.18
8.4.24	0.029	0.008	19.60
8.4.23	0.041	0.003	19.71
8.4.22	0.028	0.010	19.68
8.4.21	0.028	0.014	19.77
8.4.20	0.029	0.011	19.77
8.4.19	0.035	0.008	19.89
8.4.18	0.032	0.010	19.87
8.4.17	0.019	0.008	19.87
8.4.16	0.017	0.007	19.90
8.4.15	0.030	0.011	19.78
8.4.14	0.035	0.007	17.93
8.4.13	0.037	0.007	17.79
8.4.12	0.032	0.015	18.12
8.4.11	0.042	0.009	18.10
8.4.10	0.031	0.007	17.88
8.4.9	0.015	0.005	18.11
8.4.8	0.033	0.008	18.24
8.4.7	0.031	0.012	18.34
8.4.6	0.035	0.009	18.25
8.4.5	0.037	0.007	18.09
8.4.4	0.030	0.014	17.81
8.4.3	0.034	0.012	18.01
8.4.2	0.034	0.009	17.98
8.4.1	0.035	0.007	18.11
8.3.33	0.037	0.013	18.64
8.3.32	0.034	0.008	18.55
8.3.31	0.032	0.009	18.61
8.3.30	0.033	0.009	18.60
8.3.29	0.029	0.011	18.68
8.3.28	0.034	0.007	18.74
8.3.27	0.036	0.007	16.78
8.3.26	0.029	0.010	16.91
8.3.25	0.034	0.008	16.79
8.3.24	0.026	0.015	16.80
8.3.23	0.031	0.010	16.81
8.3.22	0.027	0.006	16.98
8.3.21	0.027	0.007	16.93
8.3.20	0.030	0.003	16.79
8.3.19	0.039	0.008	16.86
8.3.18	0.037	0.009	16.87
8.3.17	0.041	0.008	16.61
8.3.16	0.034	0.010	16.71
8.3.15	0.032	0.007	16.67
8.3.14	0.034	0.009	16.86
8.3.13	0.031	0.007	16.81
8.3.12	0.031	0.008	17.14
8.3.11	0.031	0.006	16.88
8.3.10	0.037	0.008	16.97
8.3.9	0.038	0.008	16.95
8.3.8	0.035	0.009	17.01
8.3.7	0.036	0.010	17.03
8.3.6	0.033	0.012	16.64
8.3.5	0.040	0.008	17.03
8.3.4	0.042	0.012	18.09
8.3.3	0.013	0.004	18.16
8.3.2	0.013	0.005	18.03
8.3.1	0.031	0.005	18.23
8.3.0	0.026	0.009	18.22
8.2.33	0.049	0.009	18.22
8.2.32	0.033	0.013	18.41
8.2.31	0.023	0.009	17.98

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