Online PHP editor | perf for 3jaTT

@ 2018-11-11T10:47:49Z

<?php

// The test considers that the array may be associative

$arrayExample = array_fill(0, 1000, 'hello');
$testsCount = 1000;

$start = microtime(true);
for ($i = 0; $i < $testsCount; ++$i) {
    $array = array_reverse($arrayExample);
    foreach ($array as $value) {
        //
    }
}
printf("array_reverse: %fs\n", microtime(true) - $start);

$start = microtime(true);
for ($i = 0; $i < $testsCount; ++$i) {
    $array = array_values($arrayExample);
    for ($j = count($array) - 1; $j >= 0; --$j) {
        $value = $array[$j];
    }
}
printf("array_values %fs\n", microtime(true) - $start);

$start = microtime(true);
for ($i = 0; $i < $testsCount; ++$i) {
    $array = $arrayExample;
    while ($array) {
        $value = array_pop($array);
    }
}
printf("array_pop: %fs\n", microtime(true) - $start);

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)
8.0.13	0.008	0.075	16.97
7.2.12	0.017	0.085	14.80
7.2.11	0.043	0.073	14.79
7.2.10	0.032	0.074	14.96
7.2.9	0.054	0.071	14.75
7.2.8	0.048	0.084	14.54
7.2.7	0.050	0.080	15.11
7.2.6	0.048	0.100	14.91
7.2.5	0.041	0.101	15.02
7.2.4	0.036	0.076	15.11
7.2.3	0.037	0.090	15.32
7.2.2	0.029	0.083	15.02
7.2.1	0.024	0.079	14.95
7.2.0	0.032	0.076	15.11
7.1.24	0.029	0.081	14.06
7.1.23	0.025	0.086	13.79
7.1.22	0.021	0.088	13.79
7.1.21	0.056	0.093	13.91
7.1.20	0.047	0.121	13.99
7.1.19	0.023	0.088	14.00
7.1.18	0.036	0.111	13.84
7.1.17	0.045	0.106	14.01
7.1.16	0.042	0.127	13.69
7.1.15	0.037	0.129	13.98
7.1.14	0.024	0.092	13.79
7.1.13	0.020	0.088	14.14
7.1.12	0.046	0.082	13.93
7.1.11	0.032	0.096	13.77
7.1.10	0.020	0.089	14.07
7.1.9	0.037	0.084	13.98
7.1.8	0.105	0.089	13.75
7.1.7	0.056	0.100	13.79
7.1.6	0.024	0.091	14.21
7.1.5	0.030	0.090	14.07
7.1.4	0.039	0.092	13.92
7.1.3	0.026	0.085	13.94
7.1.2	0.030	0.106	14.03
7.1.1	0.028	0.091	13.93
7.1.0	0.031	0.078	13.95
5.6.38	0.007	0.310	14.31

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