<?php
function check_unique() {
$seen = new ArrayObject();
return function ($value) use ($seen) {
if (in_array($value, (array)$seen)) {
return false;
}
$seen[] = $value;
return true;
};
}
const ITEMS = 1000;
$array = array_merge(range(1, ITEMS, 3), range(1, ITEMS, 2));
echo "started with ", count($array), " items\n";
$check_unique = check_unique();
$unique = [];
echo "memory usage ", memory_get_peak_usage(), "\n";
$time = -microtime(true);
foreach ($array as $value) {
if ($check_unique($value)) {
$unique[] = $value;
}
}
$time += microtime(true);
echo "memory usage ", memory_get_peak_usage(), "\n";
echo "took $time sec\n";
echo "finished with ", count($unique), " items\n";
- Output for 7.2.0
- started with 834 items
memory usage 465904
memory usage 536448
took 0.0028538703918457 sec
finished with 667 items
- Output for 7.1.7
- started with 834 items
memory usage 429600
memory usage 500144
took 0.0018281936645508 sec
finished with 667 items
- Output for 7.1.6
- started with 834 items
memory usage 430448
memory usage 500992
took 0.0018298625946045 sec
finished with 667 items
- Output for 7.1.5
- started with 834 items
memory usage 430448
memory usage 500992
took 0.0021450519561768 sec
finished with 667 items
- Output for 7.1.0
- started with 834 items
memory usage 429600
memory usage 500144
took 0.0015079975128174 sec
finished with 667 items
- Output for 7.0.20
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0025420188903809 sec
finished with 667 items
- Output for 7.0.14
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0020930767059326 sec
finished with 667 items
- Output for 7.0.6
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0020630359649658 sec
finished with 667 items
- Output for 7.0.5
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0015501976013184 sec
finished with 667 items
- Output for 7.0.4
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0017828941345215 sec
finished with 667 items
- Output for 7.0.3
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0013101100921631 sec
finished with 667 items
- Output for 7.0.2
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0017139911651611 sec
finished with 667 items
- Output for 7.0.1
- started with 834 items
memory usage 429560
memory usage 500480
took 0.001823902130127 sec
finished with 667 items
- Output for 7.0.0
- started with 834 items
memory usage 429560
memory usage 500480
took 0.0016849040985107 sec
finished with 667 items
- Output for 5.6.28
- started with 834 items
memory usage 429720
memory usage 552808
took 0.021255016326904 sec
finished with 667 items
- Output for 5.6.21
- started with 834 items
memory usage 429720
memory usage 552808
took 0.017927885055542 sec
finished with 667 items
- Output for 5.6.20
- started with 834 items
memory usage 429720
memory usage 552808
took 0.012756824493408 sec
finished with 667 items
- Output for 5.6.19
- started with 834 items
memory usage 429720
memory usage 552808
took 0.015302896499634 sec
finished with 667 items
- Output for 5.6.18
- started with 834 items
memory usage 429720
memory usage 552808
took 0.013669967651367 sec
finished with 667 items
- Output for 5.6.17
- started with 834 items
memory usage 429720
memory usage 552808
took 0.013697147369385 sec
finished with 667 items
- Output for 5.6.16
- started with 834 items
memory usage 429720
memory usage 552808
took 0.020272970199585 sec
finished with 667 items
- Output for 5.6.15
- started with 834 items
memory usage 429720
memory usage 552808
took 0.013222217559814 sec
finished with 667 items
- Output for 5.6.14
- started with 834 items
memory usage 429720
memory usage 552808
took 0.013126850128174 sec
finished with 667 items
- Output for 5.6.13
- started with 834 items
memory usage 429720
memory usage 552808
took 0.017946004867554 sec
finished with 667 items
- Output for 5.6.12
- started with 834 items
memory usage 429720
memory usage 552808
took 0.018350839614868 sec
finished with 667 items
- Output for 5.6.11
- started with 834 items
memory usage 429720
memory usage 552808
took 0.01625394821167 sec
finished with 667 items
- Output for 5.6.10
- started with 834 items
memory usage 429720
memory usage 552808
took 0.014652967453003 sec
finished with 667 items
- Output for 5.6.9
- started with 834 items
memory usage 429720
memory usage 552808
took 0.018639087677002 sec
finished with 667 items
- Output for 5.6.8
- started with 834 items
memory usage 429720
memory usage 552808
took 0.018092155456543 sec
finished with 667 items
- Output for 5.5.35
- started with 834 items
memory usage 429480
memory usage 552456
took 0.018607139587402 sec
finished with 667 items
- Output for 5.5.34
- started with 834 items
memory usage 429480
memory usage 552456
took 0.015614032745361 sec
finished with 667 items
- Output for 5.5.33
- started with 834 items
memory usage 429480
memory usage 552456
took 0.012846946716309 sec
finished with 667 items
- Output for 5.5.32
- started with 834 items
memory usage 429480
memory usage 552456
took 0.015851974487305 sec
finished with 667 items
- Output for 5.5.31
- started with 834 items
memory usage 429480
memory usage 552456
took 0.017575025558472 sec
finished with 667 items
- Output for 5.5.30
- started with 834 items
memory usage 429480
memory usage 552456
took 0.0174880027771 sec
finished with 667 items
- Output for 5.5.29
- started with 834 items
memory usage 429480
memory usage 552456
took 0.021683931350708 sec
finished with 667 items
- Output for 5.5.28
- started with 834 items
memory usage 429480
memory usage 552456
took 0.019497156143188 sec
finished with 667 items
- Output for 5.5.27
- started with 834 items
memory usage 429480
memory usage 552456
took 0.021114826202393 sec
finished with 667 items
- Output for 5.5.26
- started with 834 items
memory usage 429480
memory usage 552456
took 0.01375412940979 sec
finished with 667 items
- Output for 5.5.25
- started with 834 items
memory usage 429480
memory usage 552456
took 0.017177104949951 sec
finished with 667 items
- Output for 5.5.24
- started with 834 items
memory usage 429480
memory usage 552456
took 0.013245105743408 sec
finished with 667 items
- Output for 5.4.45
- started with 834 items
memory usage 429872
memory usage 552664
took 0.02523398399353 sec
finished with 667 items
- Output for 5.4.44
- started with 834 items
memory usage 429872
memory usage 552664
took 0.028260946273804 sec
finished with 667 items
- Output for 5.4.43
- started with 834 items
memory usage 429872
memory usage 552664
took 0.011293888092041 sec
finished with 667 items
- Output for 5.4.42
- started with 834 items
memory usage 429872
memory usage 552664
took 0.010684967041016 sec
finished with 667 items
- Output for 5.4.41
- started with 834 items
memory usage 429872
memory usage 552664
took 0.022255897521973 sec
finished with 667 items
- Output for 5.4.40
- started with 834 items
memory usage 429872
memory usage 552664
took 0.036932945251465 sec
finished with 667 items
- Output for 5.4.39
- started with 834 items
memory usage 429872
memory usage 552664
took 0.013581991195679 sec
finished with 667 items
- Output for 5.4.38
- started with 834 items
memory usage 429872
memory usage 552664
took 0.017683029174805 sec
finished with 667 items
- Output for 5.4.37
- started with 834 items
memory usage 429872
memory usage 552664
took 0.01859712600708 sec
finished with 667 items
- Output for 5.4.36
- started with 834 items
memory usage 429872
memory usage 552664
took 0.023787975311279 sec
finished with 667 items
- Output for 5.4.35
- started with 834 items
memory usage 429872
memory usage 552664
took 0.025840997695923 sec
finished with 667 items
- Output for 5.4.34
- started with 834 items
memory usage 429872
memory usage 552664
took 0.030813932418823 sec
finished with 667 items
- Output for 5.4.32
- started with 834 items
memory usage 429872
memory usage 552664
took 0.013754844665527 sec
finished with 667 items
- Output for 5.4.31
- started with 834 items
memory usage 429872
memory usage 552664
took 0.013410806655884 sec
finished with 667 items
- Output for 5.4.30
- started with 834 items
memory usage 429872
memory usage 552664
took 0.014400005340576 sec
finished with 667 items
- Output for 5.4.29
- started with 834 items
memory usage 429872
memory usage 552664
took 0.01299786567688 sec
finished with 667 items
- Output for 5.4.28
- started with 834 items
memory usage 429872
memory usage 552664
took 0.022500038146973 sec
finished with 667 items
- Output for 5.4.27
- started with 834 items
memory usage 429872
memory usage 552664
took 0.013295888900757 sec
finished with 667 items
- Output for 5.4.26
- started with 834 items
memory usage 429872
memory usage 552664
took 0.036426067352295 sec
finished with 667 items
- Output for 5.4.25
- started with 834 items
memory usage 429872
memory usage 552664
took 0.029095888137817 sec
finished with 667 items
- Output for 5.4.24
- started with 834 items
memory usage 429872
memory usage 552664
took 0.045109033584595 sec
finished with 667 items
- Output for 5.4.23
- started with 834 items
memory usage 429872
memory usage 552664
took 0.019195079803467 sec
finished with 667 items
- Output for 5.4.22
- started with 834 items
memory usage 429872
memory usage 552664
took 0.021718978881836 sec
finished with 667 items
- Output for 5.4.21
- started with 834 items
memory usage 429872
memory usage 552664
took 0.018990039825439 sec
finished with 667 items
- Output for 5.4.20
- started with 834 items
memory usage 429872
memory usage 552664
took 0.024526119232178 sec
finished with 667 items
- Output for 5.4.19
- started with 834 items
memory usage 429872
memory usage 552664
took 0.029067039489746 sec
finished with 667 items
- Output for 5.4.18
- started with 834 items
memory usage 429872
memory usage 552664
took 0.030061006546021 sec
finished with 667 items
- Output for 5.4.17
- started with 834 items
memory usage 429872
memory usage 552664
took 0.034186124801636 sec
finished with 667 items
- Output for 5.4.16
- started with 834 items
memory usage 429872
memory usage 552664
took 0.032002210617065 sec
finished with 667 items
- Output for 5.4.15
- started with 834 items
memory usage 429872
memory usage 552664
took 0.024662971496582 sec
finished with 667 items
- Output for 5.4.14
- started with 834 items
memory usage 429872
memory usage 552664
took 0.022055864334106 sec
finished with 667 items
- Output for 5.4.13
- started with 834 items
memory usage 429872
memory usage 552664
took 0.026844024658203 sec
finished with 667 items
- Output for 5.4.12
- started with 834 items
memory usage 429872
memory usage 552664
took 0.021475076675415 sec
finished with 667 items
- Output for 5.4.11
- started with 834 items
memory usage 429872
memory usage 552664
took 0.019604921340942 sec
finished with 667 items
- Output for 5.4.10
- started with 834 items
memory usage 429872
memory usage 552664
took 0.031136035919189 sec
finished with 667 items
- Output for 5.4.9
- started with 834 items
memory usage 429952
memory usage 552832
took 0.023383140563965 sec
finished with 667 items
- Output for 5.4.8
- started with 834 items
memory usage 429952
memory usage 552832
took 0.029613018035889 sec
finished with 667 items
- Output for 5.4.7
- started with 834 items
memory usage 429952
memory usage 552832
took 0.034280061721802 sec
finished with 667 items
- Output for 5.4.6
- started with 834 items
memory usage 429952
memory usage 552832
took 0.025923013687134 sec
finished with 667 items
- Output for 5.4.5
- started with 834 items
memory usage 429952
memory usage 552832
took 0.038213014602661 sec
finished with 667 items
- Output for 5.4.4
- started with 834 items
memory usage 429952
memory usage 552832
took 0.026188135147095 sec
finished with 667 items
- Output for 5.4.3
- started with 834 items
memory usage 429952
memory usage 552832
took 0.047637939453125 sec
finished with 667 items
- Output for 5.4.2
- started with 834 items
memory usage 429952
memory usage 552832
took 0.019331932067871 sec
finished with 667 items
- Output for 5.4.1
- started with 834 items
memory usage 429952
memory usage 552832
took 0.019661903381348 sec
finished with 667 items
- Output for 5.4.0
- started with 834 items
memory usage 429952
memory usage 552832
took 0.029225826263428 sec
finished with 667 items
- Output for 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/kKf60 on line 19
Process exited with code 255. - Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/kKf60 on line 5
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_FUNCTION in /in/kKf60 on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/kKf60 on line 5
Process exited with code 255.
preferences:
116.64 ms | 401 KiB | 174 Q