3v4l.org

run code in 300+ PHP versions simultaneously
<?php $facts = []; function fact($N, &$facts) { if ($N<=1) { return 1; } if (!array_key_exists($N, $facts)) { $facts[$N] = $N * fact($N - 1, $facts); } return $facts[$N]; } function C($n, $k, &$facts) { return fact($n, $facts) / fact($k, $facts) / fact($n - $k, $facts); } function combination ($index, $k, $A, $facts) { $res = [0]; $n = sizeof($A); $s = 0; for ($t = 1; $t <= $k; $t++) { $j = $res[$t - 1] + 1; while (($j < ($n - $k + $t)) && (($s + C($n - $j, $k - $t, $facts)) <= $index)) { $s += C($n - $j, $k - $t, $facts); $j++; } $res[] = $j; } array_splice($res, 0, 1); print_r($res); } $m = [1,2,3,4,5]; for ($i = 0; $i < C(sizeof($m), 3, $facts); $i++) { combination($i, 3, array_slice($m, 0), $facts); }

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)
8.3.60.0160.00616.38
8.3.50.0110.00716.34
8.3.40.0060.00918.56
8.3.30.0140.00018.67
8.3.20.0040.00418.72
8.3.10.0070.00021.74
8.3.00.0030.00621.86
8.2.180.0140.00416.50
8.2.170.0070.00722.96
8.2.160.0080.00622.11
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0080.00019.70
8.2.120.0030.00626.35
8.2.110.0070.00322.20
8.2.100.0080.00417.84
8.2.90.0060.00317.63
8.2.80.0050.00317.97
8.2.70.0000.00818.03
8.2.60.0000.00818.16
8.2.50.0000.00919.35
8.2.40.0040.00420.59
8.2.30.0040.00421.10
8.2.20.0060.00318.09
8.2.10.0070.00018.06
8.2.00.0000.00717.86
8.1.280.0040.01125.92
8.1.270.0090.00923.80
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00323.78
8.1.230.0080.00420.82
8.1.220.0000.00817.74
8.1.210.0040.00918.77
8.1.200.0040.00417.23
8.1.190.0080.00017.25
8.1.180.0000.00818.10
8.1.170.0050.00318.70
8.1.160.0070.00022.15
8.1.150.0090.00018.96
8.1.140.0000.00719.57
8.1.130.0030.00317.71
8.1.120.0030.00317.45
8.1.110.0040.00417.48
8.1.100.0050.00217.39
8.1.90.0000.00817.43
8.1.80.0000.00717.38
8.1.70.0000.00817.51
8.1.60.0030.00717.53
8.1.50.0050.00317.49
8.1.40.0060.00317.59
8.1.30.0030.00617.72
8.1.20.0040.00417.55
8.1.10.0030.00517.64
8.1.00.0040.00417.52
8.0.300.0070.00019.72
8.0.290.0050.00316.75
8.0.280.0030.00318.44
8.0.270.0000.00716.89
8.0.260.0030.00317.16
8.0.250.0000.00816.99
8.0.240.0030.00317.01
8.0.230.0040.00416.88
8.0.220.0040.00416.93
8.0.210.0050.00316.79
8.0.200.0000.00616.85
8.0.190.0000.00716.95
8.0.180.0040.00716.94
8.0.170.0030.00616.93
8.0.160.0050.00316.98
8.0.150.0000.00916.75
8.0.140.0040.00416.89
8.0.130.0000.00613.38
8.0.120.0000.00816.91
8.0.110.0030.00516.76
8.0.100.0000.00817.02
8.0.90.0040.00416.91
8.0.80.0060.00916.95
8.0.70.0050.00216.95
8.0.60.0000.00717.04
8.0.50.0040.00416.90
8.0.30.0070.01116.94
8.0.20.0120.00717.41
8.0.10.0080.00016.90
8.0.00.0150.00616.99
7.4.330.0030.00315.55
7.4.320.0000.00716.55
7.4.300.0030.00316.39
7.4.290.0040.00416.56
7.4.280.0070.00016.51
7.4.270.0070.00016.67
7.4.260.0000.00716.46
7.4.250.0080.00016.64
7.4.240.0040.00416.58
7.4.230.0030.00316.57
7.4.220.0090.01816.43
7.4.210.0080.00916.60
7.4.200.0040.00416.71
7.4.160.0110.00516.47
7.4.150.0090.00817.40
7.4.140.0100.00817.86
7.4.130.0080.00916.58
7.4.120.0100.00816.62
7.4.110.0090.01216.68
7.4.100.0060.01516.57
7.4.90.0030.01316.59
7.4.80.0030.01319.39
7.4.70.0100.00716.35
7.4.60.0120.00416.49
7.4.50.0070.00716.52
7.4.40.0070.01416.54
7.4.30.0090.00916.59
7.4.10.0110.00715.07
7.4.00.0110.00315.16
7.3.330.0000.00513.17
7.3.320.0060.00013.36
7.3.310.0030.00316.42
7.3.300.0000.00716.41
7.3.290.0070.00016.41
7.3.280.0100.01116.37
7.3.270.0170.00017.40
7.3.260.0140.00416.44
7.3.250.0110.00716.38
7.3.240.0110.00616.50
7.3.230.0100.00716.43
7.3.210.0130.00316.39
7.3.200.0150.00016.54
7.3.190.0070.01416.55
7.3.180.0120.00616.49
7.3.170.0150.00916.62
7.3.160.0040.01216.52
7.3.130.0060.01314.82
7.3.120.0090.00914.91
7.3.110.0060.01314.82
7.3.100.0030.01314.84
7.3.90.0030.01214.80
7.3.80.0070.01015.16
7.3.70.0120.00314.73
7.3.60.0060.00614.98
7.3.50.0030.01414.67
7.3.40.0030.00914.91
7.3.30.0120.00414.80
7.3.20.0030.01016.79
7.3.10.0040.01116.70
7.3.00.0060.00616.64
7.2.330.0120.00416.74
7.2.320.0150.00816.59
7.2.310.0030.01416.71
7.2.300.0070.01316.88
7.2.290.0110.00516.80
7.2.260.0060.01515.24
7.2.250.0070.01114.91
7.2.240.0070.01014.96
7.2.230.0070.01115.23
7.2.220.0060.00615.38
7.2.210.0130.00314.92
7.2.200.0030.01015.24
7.2.190.0120.00315.16
7.2.180.0040.01115.16
7.2.170.0030.01115.05
7.2.160.0030.01315.18
7.2.150.0000.01516.73
7.2.140.0030.00717.03
7.2.130.0060.01016.82
7.2.120.0070.01016.99
7.2.110.0090.00617.14
7.2.100.0090.00616.93
7.2.90.0030.00816.87
7.2.80.0070.00717.12
7.2.70.0110.00817.06
7.2.60.0090.00616.66
7.2.50.0060.00917.14
7.2.40.0030.00616.89
7.2.30.0100.00717.13
7.2.20.0070.01117.06
7.2.10.0000.01116.96
7.2.00.0060.01118.25
7.1.330.0060.00615.95
7.1.320.0030.01515.77
7.1.310.0070.00715.89
7.1.300.0070.01016.02
7.1.290.0030.00916.02
7.1.280.0060.00615.77
7.1.270.0000.01015.74
7.1.260.0060.00915.79
7.1.250.0040.00715.53
7.1.240.0070.01015.86
7.1.230.0030.01315.75
7.1.220.0060.00915.93
7.1.210.0070.00715.88
7.1.200.0070.00615.89
7.1.190.0060.01015.91
7.1.180.0000.01215.98
7.1.170.0000.01215.97
7.1.160.0000.01515.58
7.1.150.0120.00315.74
7.1.140.0030.01215.94
7.1.130.0070.00415.82
7.1.120.0090.00916.02
7.1.110.0110.00315.57
7.1.100.0090.00016.04
7.1.90.0090.00015.85
7.1.80.0070.00715.88
7.1.70.0070.00516.71
7.1.60.0060.00616.40
7.1.50.0030.00915.71
7.1.40.0040.00815.81
7.1.30.0070.01015.81
7.1.20.0090.00615.97
7.1.10.0030.00715.83
7.1.00.0100.03719.00
7.0.330.0030.01315.21
7.0.320.0120.00315.43
7.0.310.0000.01215.16
7.0.300.0070.01015.46
7.0.290.0000.00915.41
7.0.280.0070.01015.40
7.0.270.0070.00715.59
7.0.260.0090.00715.47
7.0.250.0070.00715.41
7.0.240.0080.00415.42
7.0.230.0070.01015.55
7.0.220.0100.00315.40
7.0.210.0060.00315.19
7.0.200.0070.00315.06
7.0.190.0080.00815.51
7.0.180.0070.01015.57
7.0.170.0030.01415.37
7.0.160.0080.00815.54
7.0.150.0060.00615.55
7.0.140.0060.00615.43
7.0.130.0080.00815.41
7.0.120.0100.03418.83
7.0.110.0150.02818.64
7.0.100.0110.02918.78
7.0.90.0080.03318.80
7.0.80.0070.03818.79
7.0.70.0060.03518.74
7.0.60.0050.03418.69
7.0.50.0150.03018.96
7.0.40.0130.03017.76
7.0.30.0080.03517.85
7.0.20.0070.04417.63
7.0.10.0090.03517.84
7.0.00.0030.04317.67
5.6.400.0070.01013.99
5.6.390.0030.01314.58
5.6.380.0030.01314.13
5.6.370.0070.01313.99
5.6.360.0060.01014.67
5.6.350.0100.00314.45
5.6.340.0030.01314.56
5.6.330.0100.00314.55
5.6.320.0040.00714.45
5.6.310.0000.01414.53
5.6.300.0070.00714.80
5.6.290.0030.01014.11
5.6.280.0040.01014.86
5.6.270.0130.02717.77
5.6.260.0110.02817.79
5.6.250.0070.03717.79
5.6.240.0120.02917.78
5.6.230.0120.03717.54
5.6.220.0080.03217.77
5.6.210.0070.03417.79
5.6.200.0070.03717.62
5.6.190.0100.03917.77
5.6.180.0120.03317.78
5.6.170.0150.03417.73
5.6.160.0150.04217.52
5.6.150.0150.03317.71
5.6.140.0160.03117.76
5.6.130.0080.04517.62
5.6.120.0100.03617.63
5.6.110.0100.03917.67
5.6.100.0080.05317.73
5.6.90.0180.02817.65
5.6.80.0110.03017.35
5.6.70.0160.02817.36
5.6.60.0120.03117.29
5.6.50.0100.03717.21
5.6.40.0140.03417.43
5.6.30.0120.03817.34
5.6.20.0080.03217.28
5.6.10.0100.03217.34
5.6.00.0040.04317.37

preferences:
73.01 ms | 401 KiB | 5 Q