3v4l.org

run code in 300+ PHP versions simultaneously
<?php function combs($arr) { $result = array(); $cntArr = count($arr); for ($i = 0; $i < $cntArr; ++$i) { for ($j = $cntArr-$i; $j > 0; --$j) { $result[$j][] = implode(', ', array_slice($arr, $i, $j)); } } array_shift($result); return $result; } $arr = array('a', 'b', 'c', 'd', 'e', 'f'); print_r(combs($arr));

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)
8.3.60.0090.00916.50
8.3.50.0100.01017.36
8.3.40.0070.00718.89
8.3.30.0060.00918.71
8.3.20.0050.00318.69
8.3.10.0050.00320.54
8.3.00.0000.00819.38
8.2.180.0090.00618.27
8.2.170.0090.00622.96
8.2.160.0040.01118.61
8.2.150.0040.00424.18
8.2.140.0090.00924.66
8.2.130.0070.00026.16
8.2.120.0000.01118.60
8.2.110.0110.00020.94
8.2.100.0090.00317.84
8.2.90.0090.00019.52
8.2.80.0040.00419.25
8.2.70.0040.00417.25
8.2.60.0000.00917.93
8.2.50.0040.00818.07
8.2.40.0000.00717.97
8.2.30.0040.00418.13
8.2.20.0030.00717.77
8.2.10.0030.00617.66
8.2.00.0050.00517.74
8.1.280.0100.01025.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.01022.42
8.1.230.0090.00320.89
8.1.220.0040.00417.74
8.1.210.0040.00418.90
8.1.200.0060.00317.35
8.1.190.0050.00217.52
8.1.180.0050.00318.10
8.1.170.0000.00818.84
8.1.160.0050.00318.88
8.1.150.0050.00218.63
8.1.140.0000.00817.45
8.1.130.0040.00417.70
8.1.120.0070.00017.45
8.1.110.0040.00417.33
8.1.100.0000.00717.39
8.1.90.0040.00417.45
8.1.80.0040.00417.48
8.1.70.0000.00717.37
8.1.60.0040.00417.59
8.1.50.0080.00017.46
8.1.40.0000.00717.44
8.1.30.0040.00417.64
8.1.20.0080.00017.54
8.1.10.0040.00417.43
8.1.00.0030.00517.30
8.0.300.0040.00419.86
8.0.290.0080.00016.63
8.0.280.0030.00318.28
8.0.270.0050.00217.25
8.0.260.0000.00716.75
8.0.250.0070.00016.73
8.0.240.0000.00716.85
8.0.230.0040.00416.84
8.0.220.0000.00716.87
8.0.210.0030.00316.86
8.0.200.0000.00716.81
8.0.190.0080.00016.85
8.0.180.0000.00716.78
8.0.170.0050.00316.79
8.0.160.0070.00016.85
8.0.150.0040.00416.89
8.0.140.0000.00816.88
8.0.130.0000.00513.27
8.0.120.0080.00016.73
8.0.110.0030.00316.75
8.0.100.0000.01016.74
8.0.90.0040.00416.78
8.0.80.0120.00616.92
8.0.70.0050.00216.77
8.0.60.0000.00816.72
8.0.50.0020.00516.70
8.0.30.0130.00616.79
8.0.20.0130.00616.86
8.0.10.0000.00817.00
8.0.00.0050.01516.70
7.4.330.0050.00012.92
7.4.320.0030.00316.42
7.4.300.0040.00416.35
7.4.290.0030.00316.42
7.4.280.0000.00816.49
7.4.270.0000.00716.55
7.4.260.0050.00013.26
7.4.250.0040.00416.55
7.4.240.0000.00716.54
7.4.230.0040.00416.63
7.4.220.0150.00616.64
7.4.210.0070.00716.54
7.4.200.0030.00316.54
7.4.190.0000.00716.45
7.4.160.0060.00916.41
7.4.150.0090.00916.46
7.4.140.0160.00916.45
7.4.130.0090.01516.40
7.4.120.0100.00716.46
7.4.110.0130.00416.60
7.4.100.0090.00916.55
7.4.90.0070.01016.48
7.4.80.0090.01219.39
7.4.70.0070.01016.43
7.4.60.0100.00716.50
7.4.50.0000.00516.54
7.4.40.0090.00616.19
7.4.30.0100.01016.23
7.4.00.0000.01214.92
7.3.330.0030.00313.20
7.3.320.0000.00713.21
7.3.310.0000.00716.47
7.3.300.0030.00316.33
7.3.290.0050.01316.36
7.3.280.0050.01016.38
7.3.270.0100.01016.45
7.3.260.0100.00716.38
7.3.250.0100.01016.43
7.3.240.0060.00916.37
7.3.230.0100.00616.35
7.3.210.0150.00416.48
7.3.200.0060.01016.32
7.3.190.0080.00916.65
7.3.180.0080.00816.39
7.3.170.0030.01316.45
7.3.160.0090.00916.34
7.3.120.0060.00914.72
7.2.330.0090.01216.72
7.2.320.0120.01316.31
7.2.310.0130.00716.25
7.2.300.0030.01716.68
7.2.290.0090.00916.64
7.2.00.0060.00919.25
7.1.100.0030.00917.82
7.1.70.0120.00917.14
7.1.60.0140.01019.31
7.1.50.0060.01616.95
7.1.00.0070.07322.50
7.0.200.0050.00514.69
7.0.140.0030.07722.07
7.0.120.0070.07022.23
7.0.60.0030.08019.96
7.0.50.0030.08717.84
7.0.40.0070.09320.26
7.0.30.0270.03320.20
7.0.20.0170.04020.06
7.0.10.0200.04720.25
7.0.00.0130.07720.20
5.6.280.0030.07721.04
5.6.210.0100.07320.55
5.6.200.0100.07018.16
5.6.190.0130.07720.61
5.6.180.0300.05020.61
5.6.170.0300.07020.54
5.6.160.0100.07720.47
5.6.150.0200.05718.15
5.6.140.0070.07318.29
5.6.130.0000.04318.25
5.6.120.0130.07721.00
5.6.110.0070.08020.96
5.6.100.0130.04721.01
5.6.90.0130.07020.97
5.6.80.0130.04720.36
5.5.350.0200.03720.32
5.5.340.0030.08017.95
5.5.330.0130.06020.49
5.5.320.0370.07320.42
5.5.310.0570.07020.36
5.5.300.0100.03717.98
5.5.290.0130.08018.08
5.5.280.0100.08320.87
5.5.270.0130.05020.76
5.5.260.0030.04020.87
5.5.250.0100.07720.70
5.5.240.0100.06320.17
5.4.450.0030.06019.57
5.4.440.0100.08019.30
5.4.430.0070.04719.56
5.4.420.0030.04719.56
5.4.410.0100.08019.20
5.4.400.0100.07319.15
5.4.390.0130.04019.08
5.4.380.0100.05019.12
5.4.370.0100.05019.15
5.4.360.0100.04719.12
5.4.350.0000.08318.88
5.4.340.0030.05719.24
5.4.320.0070.05718.85
5.4.310.0070.07719.12
5.4.300.0070.08019.20
5.4.290.0100.07719.12
5.4.280.0070.07718.98
5.4.270.0030.04719.26
5.4.260.0100.03319.11
5.4.250.0000.04018.96
5.4.240.0100.03019.23
5.4.230.0000.04319.01
5.4.220.0030.04719.15
5.4.210.0030.08319.14
5.4.200.0070.06319.23
5.4.190.0100.04319.07
5.4.180.0030.08019.18
5.4.170.0200.06018.95
5.4.160.0030.05019.10
5.4.150.0070.07718.85
5.4.140.0130.06716.43
5.4.130.0030.05716.46
5.4.120.0200.04316.43
5.4.110.0130.06716.53
5.4.100.0070.04016.39
5.4.90.0070.03316.37
5.4.80.0070.04316.38
5.4.70.0100.03716.44
5.4.60.0070.06316.39
5.4.50.0000.08716.34
5.4.40.0000.05316.39
5.4.30.0030.05716.26
5.4.20.0030.06016.41
5.4.10.0070.03316.39
5.4.00.0130.06315.74
5.3.290.0070.04014.69
5.3.280.0100.07714.59
5.3.270.0100.07314.49
5.3.260.0130.07314.64
5.3.250.0070.06014.63
5.3.240.0130.04314.61
5.3.230.0130.03714.65
5.3.220.0030.04314.60
5.3.210.0070.07314.45
5.3.200.0170.06014.59
5.3.190.0070.08014.64
5.3.180.0030.06314.63
5.3.170.0070.04714.57
5.3.160.0030.06014.56
5.3.150.0130.06314.58
5.3.140.0000.06014.45
5.3.130.0100.07714.70
5.3.120.0000.05014.70
5.3.110.0100.07014.58
5.3.100.0070.04014.19
5.3.90.0130.03714.02
5.3.80.0100.07314.07
5.3.70.0030.06714.03
5.3.60.0070.05314.00
5.3.50.0070.04713.97
5.3.40.0070.05714.10
5.3.30.0070.07714.07
5.3.20.0070.06713.73
5.3.10.0100.04713.66
5.3.00.0070.04013.69
5.2.170.0030.03311.11
5.2.160.0000.04011.04
5.2.150.0030.03711.30
5.2.140.0030.07011.09
5.2.130.0070.05311.16
5.2.120.0070.06011.14
5.2.110.0130.02311.10
5.2.100.0030.04011.14
5.2.90.0070.05711.10
5.2.80.0070.05311.17
5.2.70.0030.06311.02
5.2.60.0030.05011.01
5.2.50.0030.06311.06
5.2.40.0030.05010.88
5.2.30.0030.04710.89
5.2.20.0030.05010.92
5.2.10.0070.03710.95
5.2.00.0070.06010.71
5.1.60.0030.03010.14
5.1.50.0070.0509.99
5.1.40.0030.05710.00
5.1.30.0170.05010.37
5.1.20.0070.05310.50
5.1.10.0070.02710.14
5.1.00.0030.04010.14
5.0.50.0030.0338.71
5.0.40.0000.0438.39
5.0.30.0070.0608.33
5.0.20.0070.0208.33
5.0.10.0070.0278.33
5.0.00.0100.0308.33
4.4.90.0030.0238.33
4.4.80.0030.0238.33
4.4.70.0000.0208.33
4.4.60.0070.0338.33
4.4.50.0000.0378.33
4.4.40.0000.0378.33
4.4.30.0030.0278.33
4.4.20.0100.0308.33
4.4.10.0070.0238.33
4.4.00.0000.0308.33
4.3.110.0000.0278.33
4.3.100.0000.0378.33
4.3.90.0070.0278.33
4.3.80.0000.0378.33
4.3.70.0000.0208.33
4.3.60.0070.0308.33
4.3.50.0070.0338.33
4.3.40.0000.0478.33
4.3.30.0030.0178.33
4.3.20.0000.0178.33
4.3.10.0000.0338.33
4.3.00.0000.0238.33

preferences:
39.8 ms | 401 KiB | 5 Q