3v4l.org

run code in 300+ PHP versions simultaneously
<?php function comb($arr) { $combs = array_fill(0, count($arr)+1, array()); for ($i = 0, $n = count($arr); $i < $n; ++$i) { for ($j = $n-$i; $j > 0; --$j) { $combs[$j][] = implode(', ', array_slice($arr, $i, $j)); } } return $combs; } $arr = array('a', 'b', 'c', 'd', 'e', 'f'); print_r(comb($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)
8.3.60.0080.00818.40
8.3.50.0110.00821.20
8.3.40.0070.00718.71
8.3.30.0070.00718.79
8.3.20.0050.00318.63
8.3.10.0040.00421.09
8.3.00.0030.00619.79
8.2.180.0150.00616.63
8.2.170.0140.00322.96
8.2.160.0070.00720.35
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.93
8.2.110.0060.00320.40
8.2.100.0100.00017.72
8.2.90.0080.00019.22
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0000.00817.93
8.2.50.0070.00318.07
8.2.40.0000.00818.20
8.2.30.0030.00319.45
8.2.20.0000.00717.68
8.2.10.0040.00417.74
8.2.00.0060.00317.79
8.1.280.0190.00025.92
8.1.270.0050.00223.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0090.00022.59
8.1.230.0030.01020.89
8.1.220.0030.00518.77
8.1.210.0040.00419.04
8.1.200.0030.00617.35
8.1.190.0040.00417.39
8.1.180.0030.00618.10
8.1.170.0080.00018.32
8.1.160.0040.00418.82
8.1.150.0040.00418.53
8.1.140.0040.00417.38
8.1.130.0000.00817.89
8.1.120.0030.00517.50
8.1.110.0000.00717.52
8.1.100.0000.00717.41
8.1.90.0030.00317.51
8.1.80.0070.00017.47
8.1.70.0000.00717.41
8.1.60.0040.00417.64
8.1.50.0040.00417.44
8.1.40.0040.00417.45
8.1.30.0050.00317.65
8.1.20.0000.00817.67
8.1.10.0090.00017.34
8.1.00.0060.00317.45
8.0.300.0040.00419.85
8.0.290.0040.00417.05
8.0.280.0000.00718.39
8.0.270.0030.00317.20
8.0.260.0030.00316.83
8.0.250.0000.00816.92
8.0.240.0070.00016.90
8.0.230.0030.00316.92
8.0.220.0070.00016.86
8.0.210.0070.00016.86
8.0.200.0030.00316.88
8.0.190.0000.00816.86
8.0.180.0030.00316.89
8.0.170.0040.00416.97
8.0.160.0000.00716.93
8.0.150.0040.00316.82
8.0.140.0040.00416.87
8.0.130.0000.00613.29
8.0.120.0080.00016.87
8.0.110.0030.00516.84
8.0.100.0000.00716.69
8.0.90.0000.00716.88
8.0.80.0140.00716.96
8.0.70.0080.00016.68
8.0.60.0040.00416.97
8.0.50.0040.00416.86
8.0.30.0070.01117.04
8.0.20.0090.01117.40
8.0.10.0000.00816.90
8.0.00.0120.00616.80
7.4.330.0000.00516.66
7.4.320.0060.00016.54
7.4.300.0000.00616.60
7.4.290.0000.00716.50
7.4.280.0030.00316.59
7.4.270.0030.00316.49
7.4.260.0000.00513.25
7.4.250.0040.00416.49
7.4.240.0060.00016.64
7.4.230.0030.00316.63
7.4.220.0080.01916.63
7.4.210.0070.00916.55
7.4.200.0000.00716.60
7.4.190.0030.00316.75
7.4.160.0090.00616.58
7.4.150.0140.00317.40
7.4.140.0030.01617.86
7.4.130.0110.00916.44
7.4.120.0080.00816.72
7.4.110.0070.01116.54
7.4.100.0100.00716.50
7.4.90.0000.01916.46
7.4.80.0120.00819.39
7.4.70.0110.00516.57
7.4.60.0060.01216.45
7.4.50.0060.00316.48
7.4.40.0070.00722.77
7.4.30.0070.01316.33
7.4.00.0030.01215.02
7.3.330.0000.00513.38
7.3.320.0030.00313.31
7.3.310.0070.00016.40
7.3.300.0000.00716.25
7.3.290.0060.00916.43
7.3.280.0100.00616.35
7.3.270.0150.00317.40
7.3.260.0080.01018.24
7.3.250.0110.00616.51
7.3.240.0030.01316.32
7.3.230.0150.00816.65
7.3.210.0130.00716.29
7.3.200.0110.01019.39
7.3.190.0060.00916.32
7.3.180.0080.00816.38
7.3.170.0060.00916.46
7.3.160.0100.01016.51
7.3.120.0040.01114.89
7.2.330.0090.01016.45
7.2.320.0040.01216.87
7.2.310.0150.00616.76
7.2.300.0000.01716.70
7.2.290.0030.01416.79
7.2.60.0100.00317.06
7.2.00.0070.01119.54
7.1.200.0120.00315.69
7.1.100.1090.01616.43
7.1.70.0000.01017.23
7.1.60.0000.01017.37
7.1.50.0060.01517.00
7.1.00.0030.03322.33
7.0.200.0120.00316.85
7.0.140.0070.06721.95
7.0.70.0000.05721.82
7.0.60.0000.04321.69
7.0.50.0070.04022.20
7.0.40.0030.04320.05
7.0.30.0030.04320.05
7.0.20.0030.04720.14
7.0.10.0070.03720.17
7.0.00.0030.04720.17
5.6.280.0070.07021.02
5.6.220.0030.04020.50
5.6.210.0000.04720.66
5.6.200.0030.05021.18
5.6.190.0070.03721.04
5.6.180.0070.03721.11
5.6.170.0030.04021.05
5.6.160.0000.04321.14
5.6.150.0070.03721.07
5.6.140.0030.07720.94
5.6.130.0100.03720.99
5.6.120.0030.04321.07
5.6.110.0000.05021.18
5.6.100.0000.04321.07
5.6.90.0030.05021.12
5.6.80.0030.08320.46
5.6.70.0000.05720.34
5.6.60.0030.03720.55
5.6.50.0030.04720.45
5.6.40.0070.04020.46
5.6.30.0030.03720.50
5.6.20.0000.04020.46
5.6.10.0070.02720.39
5.6.00.0030.03720.28
5.5.360.0000.04320.49
5.5.350.0030.04020.43
5.5.340.0000.04320.91
5.5.330.0000.04320.65
5.5.320.0100.05320.79
5.5.310.0030.07320.88
5.5.300.0030.04720.89
5.5.290.0030.04020.88
5.5.280.0070.03720.92
5.5.270.0030.04320.82
5.5.260.0030.04020.90
5.5.250.0000.04020.59
5.5.240.0000.04020.12
5.5.230.0000.04020.27
5.5.220.0030.03720.14
5.5.210.0030.03720.02
5.5.200.0000.03320.27
5.5.190.0030.04020.25
5.5.180.0030.07020.23
5.5.160.0070.03320.00
5.5.150.0130.07720.22
5.5.140.0030.08020.16
5.5.130.0070.07720.12
5.5.120.0100.07719.93
5.5.110.0030.08020.25
5.5.100.0070.05720.16
5.5.90.0100.06719.95
5.5.80.0100.07320.04
5.5.70.0030.07019.97
5.5.60.0030.06320.06
5.5.50.0000.08320.01
5.5.40.0030.08320.10
5.5.30.0000.08320.09
5.5.20.0100.05719.96
5.5.10.0070.08020.02
5.5.00.0030.08020.12
5.4.450.0000.04019.49
5.4.440.0030.06719.46
5.4.430.0030.06319.24
5.4.420.0000.04019.16
5.4.410.0070.03319.07
5.4.400.0070.04019.21
5.4.390.0030.03718.85
5.4.380.0000.04718.88
5.4.370.0000.04018.85
5.4.360.0130.02019.04
5.4.350.0030.06019.00
5.4.340.0000.04018.90
5.4.320.0000.08319.18
5.4.310.0070.07019.09
5.4.300.0070.07719.05
5.4.290.0030.07318.90
5.4.280.0070.06719.15
5.4.270.0000.08018.90
5.4.260.0070.07719.13
5.4.250.0170.06319.00
5.4.240.0170.07019.02
5.4.230.0030.07319.12
5.4.220.0000.06719.05
5.4.210.0100.06019.25
5.4.200.0000.06019.04
5.4.190.0170.07019.04
5.4.180.0070.04019.15
5.4.170.0070.07719.13
5.4.160.0000.08719.23
5.4.150.0030.05018.85
5.4.140.0070.04716.55
5.4.130.0070.05016.45
5.4.120.0070.07016.45
5.4.110.0100.07316.51
5.4.100.0030.04316.36
5.4.90.0070.05316.35
5.4.80.0000.04716.50
5.4.70.0100.06016.37
5.4.60.0000.06716.30
5.4.50.0070.07716.52
5.4.40.0000.05016.41
5.4.30.0030.03716.29
5.4.20.0000.05016.43
5.4.10.0030.07316.24
5.4.00.0030.07715.77
5.3.290.0000.08014.73
5.3.280.0030.07714.73
5.3.270.0030.08014.66
5.3.260.0030.08314.73
5.3.250.0000.06714.67
5.3.240.0070.04314.71
5.3.230.0000.08014.57
5.3.220.0000.07714.66
5.3.210.0070.07314.63
5.3.200.0030.06014.70
5.3.190.0030.07714.59
5.3.180.0030.06714.70
5.3.170.0030.07714.70
5.3.160.0070.06714.53
5.3.150.0070.07714.67
5.3.140.0100.07314.55
5.3.130.0070.06314.57
5.3.120.0000.08014.55
5.3.110.0000.07714.50
5.3.100.0070.07314.16
5.3.90.0030.08013.98
5.3.80.0070.06713.93
5.3.70.0070.04714.07
5.3.60.0070.07313.98
5.3.50.0030.06013.86
5.3.40.0030.07313.92
5.3.30.0000.05713.98
5.3.20.0030.07313.83
5.3.10.0030.07313.78
5.3.00.0030.08313.54
5.2.170.0030.06312.43
5.2.160.0030.06312.43
5.2.150.0030.06012.43
5.2.140.0030.06312.43
5.2.130.0000.06312.43
5.2.120.0030.06012.43
5.2.110.0070.04312.43
5.2.100.0070.05712.43
5.2.90.0030.06312.43
5.2.80.0070.04712.43
5.2.70.0030.06312.43
5.2.60.0030.05712.43
5.2.50.0000.06312.43
5.2.40.0030.06012.43
5.2.30.0030.06012.43
5.2.20.0000.05312.43
5.2.10.0000.05312.43
5.2.00.0070.05712.43
5.1.60.0000.04012.43
5.1.50.0000.05712.43
5.1.40.0100.05012.43
5.1.30.0000.05012.43
5.1.20.0100.04012.43
5.1.10.0070.05312.43
5.1.00.0000.02712.43
5.0.50.0030.04712.43
5.0.40.0030.04312.43
5.0.30.0000.07012.43
5.0.20.0030.04712.43
5.0.10.0070.04012.43
5.0.00.0000.06012.43
4.4.90.0000.04012.43
4.4.80.0000.02712.43
4.4.70.0070.02012.43
4.4.60.0030.02012.43
4.4.50.0000.03712.43
4.4.40.0000.02712.43
4.4.30.0030.03712.43
4.4.20.0030.02012.43
4.4.10.0070.02012.43
4.4.00.0000.05312.43
4.3.110.0000.03012.43
4.3.100.0000.03712.43
4.3.90.0000.03012.43
4.3.80.0030.03012.43
4.3.70.0030.03312.43
4.3.60.0030.03012.43
4.3.50.0000.03712.43
4.3.40.0000.05012.43
4.3.30.0030.03712.43
4.3.20.0000.03712.43
4.3.10.0000.04012.43
4.3.00.0000.03012.43

preferences:
48.13 ms | 401 KiB | 5 Q