Online PHP editor | perf for P75JJ

@ 2020-03-31T09:41:40Z

<?php

$data = [
    [
        'rates' => [1, 2],
        'origin' => 1,
    ],
    [
        'rates' => [3, 4],
        'origin' => 2,
    ],
    [
        'rates' => [5],
        'origin' => 3,
    ],
];
// нужно получить все возможные комбинации, как показано ниже
 
 
$expected1 = [
    [
        [
            'rate' => 1,
            'origin' => 1,
        ],
        [
            'rate' => 3,
            'origin' => 2,
        ],
        [
            'rate' => 5,
            'origin' => 3,
        ],
    ],
    [
        [
            'rate' => 1,
            'origin' => 1,
        ],
        [
            'rate' => 4,
            'origin' => 2,
        ],
        [
            'rate' => 5,
            'origin' => 3,
        ],
    ],
    [
        [
            'rate' => 2,
            'origin' => 1,
        ],
        [
            'rate' => 3,
            'origin' => 2,
        ],
        [
            'rate' => 5,
            'origin' => 3,
        ],
    ],
    [
        [
            'rate' => 2,
            'origin' => 1,
        ],
        [
            'rate' => 4,
            'origin' => 2,
        ],
        [
            'rate' => 5,
            'origin' => 3,
        ],
    ],
];
        $expected = [];
        $iteratorCount = 0;
        foreach ($data as $key => $block) {
            $data[$key]['iterator'] = 0;
            $iteratorCount++;
        }
        $tempCounter = 0;
        while ($tempCounter < $iteratorCount) {
            $temp = [];
            $tempCounter = 0;
            foreach ($data as $key => $block) {
                $temp[] = ['rate' => $block['rates'][$block['iterator']],'origin' =>  => $block['origin']];
            }
            $expected[] = $temp;
            foreach ($data as $key => $block) {
                if ($block['iterator'] + 1 < count($block['rates'])) {
                    $data[$key]['iterator']++;
                    break;
                } else {
                    $data[$key]['iterator'] = 0;
                    $tempCounter++;
                }
            }
        }
        
        print_r($expected);

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)
7.4.4	0.010	0.006	16.32
7.4.3	0.009	0.009	16.35
7.4.2	0.009	0.008	16.35
7.4.1	0.010	0.006	16.52
7.4.0	0.009	0.007	16.16
7.3.16	0.016	0.000	16.19
7.3.15	0.003	0.015	16.24
7.3.14	0.006	0.009	16.24
7.3.13	0.014	0.003	16.31
7.3.12	0.007	0.010	16.25
7.3.11	0.013	0.003	16.14
7.3.10	0.011	0.007	16.33
7.3.9	0.004	0.012	16.10
7.3.8	0.003	0.013	16.07
7.3.7	0.006	0.010	16.18
7.3.6	0.012	0.008	16.30
7.3.5	0.011	0.006	16.14
7.3.4	0.010	0.010	15.98
7.3.3	0.010	0.010	16.29
7.3.2	0.007	0.010	16.12
7.3.1	0.014	0.003	16.23
7.3.0	0.017	0.005	16.15
7.2.29	0.018	0.000	16.48
7.2.28	0.010	0.006	16.33
7.2.27	0.007	0.010	16.28
7.2.26	0.014	0.003	16.32
7.2.25	0.011	0.006	16.17
7.2.24	0.007	0.013	16.23
7.2.23	0.004	0.015	16.15
7.2.22	0.003	0.013	16.34
7.2.21	0.010	0.007	16.18
7.2.20	0.007	0.015	16.18
7.2.19	0.007	0.011	16.14
7.2.18	0.014	0.007	16.06
7.2.17	0.007	0.010	16.16
7.2.16	0.009	0.015	16.13
7.2.15	0.009	0.009	16.11
7.2.14	0.011	0.006	16.43
7.2.13	0.000	0.018	16.24
7.2.12	0.009	0.009	16.47
7.2.11	0.011	0.006	16.40
7.2.10	0.007	0.010	16.39
7.2.9	0.007	0.010	16.50
7.2.8	0.009	0.009	16.46
7.2.7	0.012	0.006	16.14
7.2.6	0.006	0.012	16.32
7.2.5	0.004	0.014	16.32
7.2.4	0.007	0.011	16.46
7.2.3	0.016	0.006	16.53
7.2.2	0.006	0.012	16.41
7.2.1	0.017	0.010	16.52
7.2.0	0.022	0.014	16.21

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