Online PHP editor | perf for iQ20h

@ 2023-12-03T23:21:48Z

<?php

$vacancies = [
    '2024-01-01 09:00:00' => 'booked',
    '2024-01-01 09:10:00' => 'booked',
    '2024-01-01 09:20:00' => 'booked',
    '2024-01-01 09:30:00' => 'booked',
    '2024-01-01 09:40:00' => 'booked',
    '2024-01-01 09:50:00' => 'booked',
    '2024-01-01 10:00:00' => null,
    '2024-01-01 10:10:00' => null,
    '2024-01-01 10:20:00' => null,
    '2024-01-01 10:30:00' => null,
    '2024-01-01 10:40:00' => null,
    '2024-01-01 10:50:00' => null,
    '2024-01-01 11:00:00' => null,
    '2024-01-01 11:10:00' => null,
    '2024-01-01 11:20:00' => null,
    '2024-01-01 11:30:00' => null,
    '2024-01-01 11:40:00' => null,
    '2024-01-01 11:50:00' => null,
    '2024-01-01 12:00:00' => null,
    '2024-01-01 12:10:00' => null,
    '2024-01-01 12:20:00' => null,
    '2024-01-01 12:30:00' => null,
    '2024-01-01 12:40:00' => null,
    '2024-01-01 12:50:00' => null,
    '2024-01-01 13:00:00' => null,
    '2024-01-01 13:10:00' => null,
    '2024-01-01 13:20:00' => null,
    '2024-01-01 13:30:00' => null,
    '2024-01-01 13:40:00' => null,
    '2024-01-01 13:50:00' => null,
    '2024-01-01 14:00:00' => null,
    '2024-01-01 14:10:00' => null,
    '2024-01-01 14:20:00' => null,
    '2024-01-01 14:30:00' => null,
    '2024-01-01 14:40:00' => null,
    '2024-01-01 14:50:00' => null,
    '2024-01-01 15:00:00' => null,
    '2024-01-01 15:10:00' => null,
    '2024-01-01 15:20:00' => null,
    '2024-01-01 15:30:00' => null,
    '2024-01-01 15:40:00' => null,
    '2024-01-01 15:50:00' => null,
    '2024-01-01 16:00:00' => 'booked',
    '2024-01-01 16:10:00' => 'booked',
    '2024-01-01 16:20:00' => 'booked',
    '2024-01-01 16:30:00' => 'booked',
    '2024-01-01 16:40:00' => 'booked',
    '2024-01-01 16:50:00' => null,
    '2024-01-01 17:00:00' => null,
    '2024-01-01 17:10:00' => null,
    '2024-01-01 17:20:00' => null,
    '2024-01-01 17:30:00' => null,
    '2024-01-01 17:40:00' => null,
    '2024-01-01 17:50:00' => null,
];

$newTests = [
    '2024-01-01 09:50:00',
    '2024-01-01 10:00:00',
    '2024-01-01 15:40:00',
    '2024-01-01 17:40:00',
];

function is30MinuteSessionVacant(array $vacancies, string $dateTime): bool
{
    for ($addMinutes = 0; $addMinutes < 30; $addMinutes += 10) {
        $dateTime = date('Y-m-d H:i:s', strtotime("$dateTime +{$addMinutes} minutes"));
        if (!key_exists($dateTime, $vacancies)) {
            throw new Exception('Proposed time is not within business hours');
        }
        if ($vacancies[$dateTime] !== null) {
            return false;
        }
    }
    return true;
}

foreach ($newTests as $test) {
    echo "\n$test: ";
    try {
        echo is30MinuteSessionVacant($vacancies, $test) ? 'available' : 'unavailable';
    } catch (Exception $e) {
        echo $e->getMessage();
    }
}

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)
8.4.12	0.010	0.009	20.73
8.4.11	0.012	0.009	20.65
8.4.10	0.012	0.008	18.80
8.4.9	0.005	0.006	20.64
8.4.8	0.010	0.009	18.84
8.4.7	0.003	0.006	18.27
8.4.6	0.013	0.007	18.82
8.4.5	0.007	0.002	19.05
8.4.4	0.013	0.007	17.98
8.4.3	0.007	0.013	18.85
8.4.2	0.007	0.007	18.20
8.4.1	0.003	0.006	19.84
8.3.25	0.011	0.007	19.18
8.3.24	0.011	0.009	16.98
8.3.23	0.014	0.005	16.62
8.3.22	0.003	0.004	18.94
8.3.21	0.012	0.008	18.88
8.3.20	0.007	0.002	16.88
8.3.19	0.010	0.008	17.27
8.3.18	0.011	0.005	17.11
8.3.17	0.003	0.006	18.88
8.3.16	0.015	0.004	16.86
8.3.15	0.008	0.011	17.24
8.3.14	0.000	0.015	16.85
8.3.13	0.008	0.000	18.47
8.3.12	0.000	0.008	20.76
8.3.11	0.005	0.003	20.94
8.3.10	0.012	0.000	18.65
8.3.9	0.004	0.004	16.73
8.3.8	0.006	0.003	17.97
8.3.7	0.009	0.006	18.43
8.3.6	0.010	0.013	18.68
8.3.5	0.006	0.009	18.48
8.3.4	0.008	0.005	20.38
8.3.3	0.014	0.003	21.87
8.3.2	0.006	0.003	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.010	0.010	28.09
8.2.29	0.011	0.008	20.44
8.2.28	0.006	0.002	19.01
8.2.27	0.011	0.004	17.53
8.2.26	0.004	0.014	18.51
8.2.25	0.006	0.012	17.05
8.2.24	0.003	0.006	18.91
8.2.23	0.000	0.009	22.58
8.2.22	0.005	0.003	24.06
8.2.21	0.007	0.003	26.77
8.2.20	0.010	0.003	18.79
8.2.19	0.009	0.009	17.13
8.2.18	0.004	0.011	16.88
8.2.17	0.010	0.010	19.33
8.2.16	0.007	0.007	22.96
8.2.15	0.007	0.003	25.66
8.2.14	0.008	0.000	24.66
8.2.13	0.015	0.004	28.09
8.2.12	0.013	0.006	28.09
8.2.11	0.011	0.008	28.09
8.2.10	0.013	0.006	28.09
8.2.9	0.013	0.006	28.09
8.2.8	0.012	0.006	28.09
8.2.7	0.009	0.009	28.09
8.2.6	0.015	0.003	28.09
8.2.5	0.012	0.003	28.09
8.2.4	0.009	0.006	28.09
8.2.3	0.008	0.008	28.09
8.2.2	0.014	0.000	28.09
8.2.1	0.009	0.006	28.09
8.2.0	0.012	0.003	28.09
8.1.33	0.010	0.009	22.23
8.1.32	0.008	0.013	18.09
8.1.31	0.007	0.002	16.36
8.1.30	0.003	0.005	20.21
8.1.29	0.006	0.003	18.88
8.1.28	0.014	0.007	25.92
8.1.27	0.004	0.004	23.97
8.1.26	0.005	0.005	28.09
8.1.25	0.004	0.004	28.09
8.1.24	0.015	0.000	28.09
8.1.23	0.003	0.006	28.09
8.1.22	0.009	0.009	28.09
8.1.21	0.016	0.003	28.09
8.1.20	0.009	0.009	28.09
8.1.19	0.012	0.003	28.09
8.1.18	0.008	0.008	28.09
8.1.17	0.007	0.007	28.09
8.1.16	0.004	0.004	28.09
8.1.15	0.004	0.004	28.09
8.1.14	0.009	0.000	28.09
8.1.13	0.006	0.003	28.09
8.1.12	0.003	0.006	28.09
8.1.11	0.006	0.003	28.09
8.1.10	0.003	0.006	28.09
8.1.9	0.006	0.003	28.09
8.1.8	0.003	0.006	28.09
8.1.7	0.008	0.000	28.09
8.1.6	0.003	0.006	28.09
8.1.5	0.000	0.008	28.09
8.1.4	0.005	0.003	28.09
8.1.3	0.008	0.000	28.09
8.1.2	0.003	0.006	28.09
8.1.1	0.003	0.006	28.09
8.1.0	0.006	0.003	28.09

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