3v4l.org

run code in 300+ PHP versions simultaneously
<?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";

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).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0030.01019.20
7.1.70.0030.00916.89
7.1.60.0100.01319.82
7.1.50.0120.00616.64
7.1.00.0000.03722.45
7.0.200.0100.00716.83
7.0.140.0030.07722.01
7.0.60.0070.08720.15
7.0.50.0030.07317.99
7.0.40.0070.07719.96
7.0.30.0430.04320.08
7.0.20.0230.07020.07
7.0.10.0100.08320.05
7.0.00.0000.07020.19
5.6.280.0100.09021.15
5.6.210.0100.08720.80
5.6.200.0070.05318.41
5.6.190.0100.07020.68
5.6.180.0230.05720.63
5.6.170.0200.07720.71
5.6.160.0070.10720.68
5.6.150.0070.05318.28
5.6.140.0030.06018.43
5.6.130.0100.07718.52
5.6.120.0070.10321.27
5.6.110.0130.09321.26
5.6.100.0030.06321.40
5.6.90.0130.09721.30
5.6.80.0070.09020.82
5.5.350.0070.09720.61
5.5.340.0100.07018.09
5.5.330.0030.05720.49
5.5.320.0400.07020.48
5.5.310.0270.09720.45
5.5.300.0070.08318.25
5.5.290.0030.11318.22
5.5.280.0130.09721.14
5.5.270.0170.10021.05
5.5.260.0000.06321.05
5.5.250.0170.08021.08
5.5.240.4300.04320.53
5.4.450.0770.10019.63
5.4.440.0530.11019.61
5.4.430.1130.04019.67
5.4.420.0470.05019.64
5.4.410.0430.07019.48
5.4.400.0730.06319.13
5.4.390.1030.07019.46
5.4.380.0830.06318.88
5.4.370.0730.06718.99
5.4.360.0770.08718.99
5.4.350.0930.07719.00
5.4.340.0830.07018.99
5.4.320.0080.05712.82
5.4.310.0060.06112.82
5.4.300.0050.06612.82
5.4.290.0130.05212.82
5.4.280.0100.06412.72
5.4.270.0070.05412.72
5.4.260.0130.10319.17
5.4.250.0100.10719.14
5.4.240.0130.08018.87
5.4.230.0100.07319.23
5.4.220.0230.06719.18
5.4.210.0070.08019.00
5.4.200.0100.08019.03
5.4.190.0100.09019.13
5.4.180.0100.10719.15
5.4.170.0130.10019.04
5.4.160.0070.10018.98
5.4.150.0070.08019.15
5.4.140.0030.07716.68
5.4.130.0230.08316.69
5.4.120.0100.07716.72
5.4.110.0030.07316.69
5.4.100.0170.08316.82
5.4.90.0030.08016.61
5.4.80.0130.09716.84
5.4.70.0100.10316.83
5.4.60.0130.07316.56
5.4.50.0130.09016.79
5.4.40.0100.08716.72
5.4.30.0170.09016.62
5.4.20.0070.06716.69
5.4.10.0070.07716.65
5.4.00.0100.09316.20
5.3.290.0100.03412.80
5.3.280.0230.05314.82
5.3.270.0130.06314.60
5.3.260.0030.06014.79
5.3.250.0030.08314.70
5.3.240.0130.05014.76
5.3.230.0000.06014.51
5.3.220.0100.05014.57
5.3.210.0130.06714.71
5.3.200.0030.05314.59
5.3.190.0030.06314.57
5.3.180.0130.06014.57
5.3.170.0100.06714.47
5.3.160.0170.06014.66
5.3.150.0000.06314.55
5.3.140.0170.06314.70
5.3.130.0030.05714.78
5.3.120.0100.05014.73
5.3.110.0170.05314.39
5.3.100.0130.06714.20
5.3.90.0100.04714.00
5.3.80.0100.05014.11
5.3.70.0070.05014.09
5.3.60.0070.05014.08
5.3.50.0030.05313.95
5.3.40.0130.06714.03
5.3.30.0070.07014.00
5.3.20.0100.06713.71
5.3.10.0000.06313.72
5.3.00.0100.04713.73
5.2.170.0000.04711.30
5.2.160.0100.05011.04
5.2.150.0000.05011.04
5.2.140.0070.04711.22
5.2.130.0030.06010.93
5.2.120.0070.04011.17
5.2.110.0070.04011.16
5.2.100.0200.04311.27
5.2.90.0030.04710.92
5.2.80.0070.05011.04
5.2.70.0230.04311.05
5.2.60.0070.05711.27
5.2.50.0030.06311.18
5.2.40.0030.04010.91
5.2.30.0030.04311.03
5.2.20.0030.04010.79
5.2.10.0170.03711.04
5.2.00.0030.06010.88
5.1.60.0030.0339.98
5.1.50.0100.03010.06
5.1.40.0070.05310.07
5.1.30.0070.03310.41
5.1.20.0030.03710.57
5.1.10.0030.03310.13
5.1.00.0130.03010.07
5.0.50.0100.0308.64
5.0.40.0100.0238.45
5.0.30.0000.0438.28
5.0.20.0000.0308.19
5.0.10.0030.0278.14
5.0.00.0030.0438.08
4.4.90.0070.0277.37
4.4.80.0030.0307.37
4.4.70.0070.0277.37
4.4.60.0000.0237.37
4.4.50.0000.0307.37
4.4.40.0070.0307.37
4.4.30.0030.0307.37
4.4.20.0070.0177.37
4.4.10.0070.0177.37
4.4.00.0070.0407.37
4.3.110.0000.0237.37
4.3.100.0030.0307.37
4.3.90.0070.0277.37
4.3.80.0070.0377.37
4.3.70.0070.0237.37
4.3.60.0070.0277.37
4.3.50.0100.0207.37
4.3.40.0100.0277.37
4.3.30.0000.0237.37
4.3.20.0030.0207.37
4.3.10.0000.0237.37
4.3.00.0100.03013.16

preferences:
32.83 ms | 401 KiB | 5 Q