3v4l.org

run code in 300+ PHP versions simultaneously
<?php function combs($arr) { $combs = array_fill(0, count($arr)+1, array()); $cntArr = count($arr); for ($i = 1; $i < $cntArr; ++$i) { for ($j = $cntArr-$i; $j > 0; --$j) { $combs[$j][] = implode(', ', array_slice($arr, $i, $j)); } } return $combs; } $arr = array('a', 'b', 'c', 'd', 'e', 'f'); print_r(combs($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)
8.3.60.0070.01318.31
8.3.50.0120.00522.01
8.3.40.0060.00818.71
8.3.30.0190.00018.63
8.3.20.0090.00018.60
8.3.10.0080.00020.97
8.3.00.0080.00023.61
8.2.180.0110.00716.75
8.2.170.0170.00022.96
8.2.160.0030.01420.39
8.2.150.0050.00324.18
8.2.140.0160.00324.66
8.2.130.0000.00726.16
8.2.120.0050.00319.36
8.2.110.0060.00320.33
8.2.100.0070.00417.78
8.2.90.0000.00819.27
8.2.80.0040.00417.97
8.2.70.0000.00817.25
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0050.00218.22
8.2.30.0100.00019.36
8.2.20.0080.00017.73
8.2.10.0040.00417.63
8.2.00.0040.00417.63
8.1.280.0120.00325.92
8.1.270.0070.01022.05
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.55
8.1.230.0060.00620.87
8.1.220.0000.00818.77
8.1.210.0040.00419.03
8.1.200.0060.00317.23
8.1.190.0080.00017.50
8.1.180.0000.00818.10
8.1.170.0040.00418.42
8.1.160.0000.00718.89
8.1.150.0070.00318.69
8.1.140.0070.00017.44
8.1.130.0070.00017.75
8.1.120.0030.00517.45
8.1.110.0000.00817.44
8.1.100.0070.00017.43
8.1.90.0040.00417.50
8.1.80.0040.00417.37
8.1.70.0080.00017.39
8.1.60.0000.00817.59
8.1.50.0030.00517.50
8.1.40.0060.00317.46
8.1.30.0040.00417.50
8.1.20.0060.00317.66
8.1.10.0030.00617.49
8.1.00.0000.00717.25
8.0.300.0040.00419.90
8.0.290.0050.00216.93
8.0.280.0040.00418.26
8.0.270.0030.00317.26
8.0.260.0050.00316.76
8.0.250.0000.00716.96
8.0.240.0030.00616.75
8.0.230.0000.00816.90
8.0.220.0030.00616.72
8.0.210.0030.00316.83
8.0.200.0030.00316.79
8.0.190.0000.00816.86
8.0.180.0040.00416.88
8.0.170.0000.00716.83
8.0.160.0000.00716.88
8.0.150.0000.00716.80
8.0.140.0030.00316.86
8.0.130.0000.00613.30
8.0.120.0000.00716.87
8.0.110.0050.00316.79
8.0.100.0000.00816.77
8.0.90.0070.00016.94
8.0.80.0120.00916.90
8.0.70.0000.00716.87
8.0.60.0040.00416.95
8.0.50.0040.00416.85
8.0.30.0140.00417.15
8.0.20.0150.01017.40
8.0.10.0080.00016.88
8.0.00.0130.00816.72
7.4.330.0020.00216.89
7.4.320.0060.00016.60
7.4.300.0040.00416.48
7.4.290.0070.00016.52
7.4.280.0030.00516.52
7.4.270.0040.00416.53
7.4.260.0050.00013.28
7.4.250.0030.00616.48
7.4.240.0050.00216.50
7.4.230.0040.00416.70
7.4.220.0200.00616.48
7.4.210.0100.00616.49
7.4.200.0040.00416.58
7.4.190.0000.00716.68
7.4.160.0060.01016.39
7.4.150.0160.00317.40
7.4.140.0100.01017.86
7.4.130.0110.00616.65
7.4.120.0100.00816.58
7.4.110.0100.00616.38
7.4.100.0060.01216.64
7.4.90.0070.01016.61
7.4.80.0060.00919.39
7.4.70.0080.00816.43
7.4.60.0120.00616.36
7.4.50.0000.01116.52
7.4.40.0100.00322.77
7.4.30.0120.00616.54
7.4.00.0050.01014.84
7.3.330.0000.00613.38
7.3.320.0020.00513.41
7.3.310.0050.00316.41
7.3.300.0040.00416.38
7.3.290.0070.00716.38
7.3.280.0080.00916.35
7.3.270.0140.00317.40
7.3.260.0130.00818.24
7.3.250.0110.00616.46
7.3.240.0060.01216.51
7.3.230.0060.01216.55
7.3.210.0180.00316.44
7.3.200.0110.00719.39
7.3.190.0120.00416.66
7.3.180.0090.00616.41
7.3.170.0130.00316.39
7.3.160.0060.01016.68
7.3.120.0070.01114.92
7.3.110.0040.00715.14
7.3.100.0030.01314.53
7.3.90.0170.00014.63
7.3.80.0040.00814.89
7.3.70.0030.00714.93
7.3.60.0040.01114.94
7.3.50.0090.00914.61
7.3.40.0090.00614.91
7.3.30.0060.00614.89
7.3.20.0060.00916.59
7.3.10.0050.01016.61
7.3.00.0100.00316.74
7.2.330.0060.01316.70
7.2.320.0060.01116.66
7.2.310.0030.01416.72
7.2.300.0090.00916.80
7.2.290.0090.00916.71
7.2.250.0060.01314.94
7.2.240.0090.01215.27
7.2.230.0060.00614.84
7.2.220.0110.00314.98
7.2.210.0040.01114.89
7.2.200.0100.00315.18
7.2.190.0060.00915.02
7.2.180.0100.01015.14
7.2.170.0030.01315.01
7.2.130.0070.00716.71
7.2.120.0030.00916.69
7.2.110.0120.00416.82
7.2.100.0050.00716.68
7.2.90.0070.00716.71
7.2.80.0030.00816.87
7.2.70.0060.00816.64
7.2.60.0050.00916.58
7.2.50.0060.00916.61
7.2.40.0070.00716.72
7.2.30.0070.00716.75
7.2.20.0050.01217.06
7.2.10.0070.00616.84
7.2.00.0050.01217.51
7.1.330.0030.01215.85
7.1.320.0060.01015.86
7.1.310.0060.00915.85
7.1.300.0000.01615.80
7.1.290.0000.01315.87
7.1.280.0030.01215.77
7.1.270.0070.00715.74
7.1.260.0040.00715.91
7.1.250.0040.01115.63
7.1.100.0000.00818.17
7.1.70.0040.00417.29
7.1.60.0000.01217.32
7.1.50.0040.00716.93
7.1.00.0070.03722.45
7.0.200.0160.00016.69
7.0.140.0030.07022.15
7.0.70.0070.08321.74
7.0.60.0000.08721.72
7.0.50.0030.08022.15
7.0.40.0100.05020.11
7.0.30.0000.06019.96
7.0.20.0070.05720.14
7.0.10.0030.05020.02
7.0.00.0000.08720.07
5.6.220.0070.07720.53
5.6.210.0100.06720.61
5.6.200.0130.07721.04
5.6.190.0070.08021.06
5.6.180.0030.08321.19
5.6.170.0000.06320.95
5.6.160.0030.05020.98
5.6.150.0030.04321.01
5.6.140.0070.08021.04
5.6.130.0030.07721.11
5.6.120.0030.04021.00
5.6.110.0070.04020.96
5.6.100.0070.04320.96
5.6.90.0070.04021.05
5.6.80.0000.04020.50
5.6.70.0030.04720.49
5.6.60.0000.04720.45
5.6.50.0000.07720.56
5.6.40.0100.06020.43
5.6.30.0030.04320.50
5.6.20.0030.07720.34
5.6.10.0070.05020.34
5.6.00.0030.04020.30
5.5.360.0100.07720.36
5.5.350.0100.08020.43
5.5.340.0000.08020.65
5.5.330.0030.08720.81
5.5.320.0070.08020.73
5.5.310.0100.07720.76
5.5.300.0070.08020.73
5.5.290.0000.08320.89
5.5.280.0070.05020.73
5.5.270.0000.04320.76
5.5.260.0000.04320.75
5.5.250.0070.04320.64
5.5.240.0000.04020.12
5.5.230.0070.02720.17
5.5.220.0030.03720.29
5.5.210.0070.05720.25
5.5.200.0070.07020.21
5.5.190.0030.04320.28
5.5.180.0030.04720.14
5.5.160.0030.03020.11
5.5.150.0030.03720.28
5.5.140.0070.03720.24
5.5.130.0070.03320.27
5.5.120.0000.04020.18
5.5.110.0000.04020.14
5.5.100.0000.04020.05
5.5.90.0030.04019.97
5.5.80.0100.02720.11
5.5.70.0030.03719.94
5.5.60.0000.04020.14
5.5.50.0030.06019.96
5.5.40.0030.04020.05
5.5.30.0070.02720.00
5.5.20.0030.07020.00
5.5.10.0000.03319.96
5.5.00.0030.03719.97
5.4.450.0070.08319.23
5.4.440.0000.07719.40
5.4.430.0030.05719.52
5.4.420.0000.04319.37
5.4.410.0070.05719.24
5.4.400.0000.03719.09
5.4.390.0030.03719.05
5.4.380.0000.03318.85
5.4.370.0000.06318.90
5.4.360.0000.04019.05
5.4.350.0030.07019.09
5.4.340.0000.04019.13
5.4.320.0000.04019.23
5.4.310.0000.04318.88
5.4.300.0030.03319.23
5.4.290.0030.06319.12
5.4.280.0000.04019.04
5.4.270.0000.05718.84
5.4.260.0000.03719.12
5.4.250.0000.03719.13
5.4.240.0000.03319.02
5.4.230.0030.03719.22
5.4.220.0030.06718.87
5.4.210.0130.02718.98
5.4.200.0000.04719.02
5.4.190.0030.03319.04
5.4.180.0000.03319.14
5.4.170.0000.04319.03
5.4.160.0070.03319.21
5.4.150.0000.04019.12
5.4.140.0070.03016.33
5.4.130.0030.04016.32
5.4.120.0000.03016.32
5.4.110.0000.03716.34
5.4.100.0030.03316.43
5.4.90.0030.03316.42
5.4.80.0030.02716.45
5.4.70.0070.03016.49
5.4.60.0000.03316.47
5.4.50.0000.03716.31
5.4.40.0000.04016.52
5.4.30.0000.07316.41
5.4.20.0100.06016.42
5.4.10.0070.07316.43
5.4.00.0070.06715.90
5.3.290.0000.03314.67
5.3.280.0030.04314.70
5.3.270.0030.03314.58
5.3.260.0000.05314.67
5.3.250.0030.04314.66
5.3.240.0030.04014.75
5.3.230.0000.03714.57
5.3.220.0000.03714.59
5.3.210.0030.08014.63
5.3.200.0030.03314.68
5.3.190.0000.03714.60
5.3.180.0000.03714.59
5.3.170.0000.03714.63
5.3.160.0070.03714.55
5.3.150.0000.03714.52
5.3.140.0070.07314.48
5.3.130.0000.04714.47
5.3.120.0030.07714.52
5.3.110.0070.07714.47
5.3.100.0070.07714.16
5.3.90.0000.08014.04
5.3.80.0000.07313.93
5.3.70.0070.07014.08
5.3.60.0030.05014.14
5.3.50.0030.04313.87
5.3.40.0030.06713.88
5.3.30.0070.05714.00
5.3.20.0130.06713.78
5.3.10.0070.07313.63
5.3.00.0030.03713.66
5.2.170.0070.06012.22
5.2.160.0000.04012.22
5.2.150.0070.05312.22
5.2.140.0030.05712.22
5.2.130.0030.06012.22
5.2.120.0000.06312.22
5.2.110.0030.03712.22
5.2.100.0070.05312.22
5.2.90.0000.05712.22
5.2.80.0030.06312.22
5.2.70.0030.06012.22
5.2.60.0030.06012.22
5.2.50.0000.06312.22
5.2.40.0030.05012.22
5.2.30.0070.03312.22
5.2.20.0030.06012.22
5.2.10.0000.05712.22
5.2.00.0000.06012.22
5.1.60.0030.04712.22
5.1.50.0030.05012.22
5.1.40.0000.03712.22
5.1.30.0070.04312.22
5.1.20.0000.05312.22
5.1.10.0000.04712.22
5.1.00.0030.04712.22
5.0.50.0030.04712.22
5.0.40.0000.04312.22
5.0.30.0030.05012.22
5.0.20.0000.04712.22
5.0.10.0070.03712.22
5.0.00.0030.05712.22
4.4.90.0000.03312.22
4.4.80.0000.03712.22
4.4.70.0030.03712.22
4.4.60.0000.03712.22
4.4.50.0070.03012.22
4.4.40.0000.04712.22
4.4.30.0030.03312.22
4.4.20.0070.03312.22
4.4.10.0000.04012.22
4.4.00.0070.03712.22
4.3.110.0000.02312.22
4.3.100.0030.02712.22
4.3.90.0030.03012.22
4.3.80.0000.05712.22
4.3.70.0030.03312.22
4.3.60.0000.03312.22
4.3.50.0030.03312.22
4.3.40.0030.05312.22
4.3.30.0000.03712.22
4.3.20.0030.02712.22
4.3.10.0000.03012.22
4.3.00.0000.03012.22

preferences:
47.37 ms | 401 KiB | 5 Q