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 = 0; $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)
8.3.40.0170.00318.54
8.3.30.0150.00418.79
8.3.20.0040.00418.73
8.3.10.0030.00520.54
8.3.00.0060.00323.48
8.2.170.0070.01422.96
8.2.160.0110.00420.35
8.2.150.0050.00324.18
8.2.140.0070.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00319.36
8.2.110.0150.00922.11
8.2.100.0080.00417.72
8.2.90.0000.00719.22
8.2.80.0040.00418.05
8.2.70.0030.00617.63
8.2.60.0000.00818.03
8.2.50.0000.00818.07
8.2.40.0040.00418.18
8.2.30.0050.00319.91
8.2.20.0000.00717.61
8.2.10.0000.00717.80
8.2.00.0070.00317.66
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00822.51
8.1.230.0040.00720.96
8.1.220.0000.00818.77
8.1.210.0050.00318.90
8.1.200.0000.00917.23
8.1.190.0040.00417.50
8.1.180.0040.00718.10
8.1.170.0000.00818.41
8.1.160.0000.00718.89
8.1.150.0070.00018.68
8.1.140.0000.00717.37
8.1.130.0030.00317.88
8.1.120.0000.00717.36
8.1.110.0000.00817.49
8.1.100.0050.00317.45
8.1.90.0040.00417.43
8.1.80.0000.00717.48
8.1.70.0000.00717.39
8.1.60.0060.00317.49
8.1.50.0040.00417.38
8.1.40.0030.00517.52
8.1.30.0040.00417.63
8.1.20.0000.00917.72
8.1.10.0070.00017.50
8.1.00.0040.00417.41
8.0.300.0040.00419.98
8.0.290.0030.00516.58
8.0.280.0030.00318.35
8.0.270.0030.00317.17
8.0.260.0030.00316.76
8.0.250.0050.00216.95
8.0.240.0060.00316.83
8.0.230.0030.00316.79
8.0.220.0040.00416.81
8.0.210.0030.00316.79
8.0.200.0040.00416.77
8.0.190.0040.00416.88
8.0.180.0000.00716.78
8.0.170.0040.00416.92
8.0.160.0000.00716.91
8.0.150.0030.00716.86
8.0.140.0050.00316.75
8.0.130.0060.00313.37
8.0.120.0040.00416.91
8.0.110.0000.00716.79
8.0.100.0040.00416.79
8.0.90.0050.00316.96
8.0.80.0080.00816.88
8.0.70.0000.00716.72
8.0.60.0040.00416.87
8.0.50.0000.00716.79
8.0.30.0120.00817.14
8.0.20.0080.01017.40
8.0.10.0000.00917.01
8.0.00.0110.00916.85
7.4.330.0000.00514.66
7.4.320.0030.00316.64
7.4.300.0000.00616.62
7.4.290.0000.00716.52
7.4.280.0000.00916.46
7.4.270.0030.00316.42
7.4.260.0000.00513.28
7.4.250.0000.00816.50
7.4.240.0040.00416.56
7.4.230.0000.00716.41
7.4.220.0090.01716.63
7.4.210.0110.00516.54
7.4.200.0030.00316.44
7.4.190.0070.00016.73
7.4.160.0030.01316.38
7.4.150.0230.00017.40
7.4.140.0120.00517.86
7.4.130.0110.00816.46
7.4.120.0110.00816.50
7.4.110.0030.01316.43
7.4.100.0120.00616.44
7.4.90.0140.00816.59
7.4.80.0100.01319.37
7.4.70.0120.00616.29
7.4.60.0090.00916.30
7.4.50.0000.00916.64
7.4.40.0040.01122.27
7.4.30.0120.00916.44
7.4.00.0060.00914.96
7.3.330.0000.00613.34
7.3.320.0030.00313.37
7.3.310.0000.00716.25
7.3.300.0030.00316.42
7.3.290.0040.01116.38
7.3.280.0080.00916.38
7.3.270.0100.00717.40
7.3.260.0120.00418.24
7.3.250.0080.01516.48
7.3.240.0090.00916.45
7.3.230.0090.00916.48
7.3.210.0110.00516.38
7.3.200.0090.00919.39
7.3.190.0100.00616.39
7.3.180.0060.00916.55
7.3.170.0030.01216.31
7.3.160.0080.00816.46
7.3.120.0070.01015.00
7.2.330.0130.00316.74
7.2.320.0100.01316.43
7.2.310.0150.00416.84
7.2.300.0060.01516.77
7.2.290.0070.01016.34
7.2.00.0070.01019.30
7.1.100.0000.01717.86
7.1.70.0070.00317.19
7.1.60.0060.01319.40
7.1.50.0040.00716.93
7.1.00.0030.06722.57
7.0.200.0040.00416.86
7.0.140.0070.07322.11
7.0.60.0200.07319.88
7.0.50.0130.07017.72
7.0.40.0100.05717.84
7.0.30.0030.09017.75
7.0.20.0130.07317.71
7.0.10.0030.05317.71
7.0.00.0130.06317.75
5.6.280.0100.06321.14
5.6.210.0030.04020.52
5.6.200.0070.08318.19
5.6.190.0100.07318.14
5.6.180.0100.07718.25
5.6.170.0170.07718.29
5.6.160.0070.06718.29
5.6.150.0030.08318.17
5.6.140.0100.07718.15
5.6.130.0070.06018.18
5.6.120.0100.07718.28
5.6.110.0030.07718.25
5.6.100.0100.03718.26
5.6.90.0170.04318.32
5.6.80.0030.04317.67
5.6.70.0100.04017.65
5.6.60.0030.08317.58
5.6.50.0100.04717.67
5.6.40.0070.03717.60
5.6.30.0100.06317.52
5.6.20.0030.04017.64
5.6.10.0000.06317.52
5.6.00.0070.03717.55
5.5.350.0370.06720.48
5.5.340.0100.04717.98
5.5.330.0070.06018.09
5.5.320.0070.06018.02
5.5.310.0070.05718.08
5.5.300.0070.07018.03
5.5.290.0100.07318.03
5.5.280.0030.04317.98
5.5.270.0000.04717.94
5.5.260.0030.04717.93
5.5.250.0070.07717.79
5.5.240.0170.05717.38
5.5.230.0100.07017.40
5.5.220.0100.05317.41
5.5.210.0100.07017.33
5.5.200.0130.03717.34
5.5.190.0030.08317.39
5.5.180.0100.05017.31
5.5.160.0030.04017.32
5.5.150.0070.03717.27
5.5.140.0070.06317.42
5.5.130.0000.04317.33
5.5.120.0130.04717.32
5.5.110.0100.08317.43
5.5.100.0070.07017.27
5.5.90.0070.04317.33
5.5.80.0000.05017.18
5.5.70.0070.04317.32
5.5.60.0100.07717.22
5.5.50.0000.08717.20
5.5.40.0000.05317.19
5.5.30.0070.03317.20
5.5.20.0030.03717.21
5.5.10.0030.04017.19
5.5.00.0030.04017.21
5.4.450.0100.07019.31
5.4.440.0130.03019.46
5.4.430.0100.05019.38
5.4.420.0000.04719.35
5.4.410.0070.04019.22
5.4.400.0070.07019.10
5.4.390.0130.07319.03
5.4.380.0130.07019.02
5.4.370.0100.08019.10
5.4.360.0100.06319.04
5.4.350.0100.06719.10
5.4.340.0030.04719.05
5.4.320.0030.04719.05
5.4.310.0100.05019.14
5.4.300.0070.03718.95
5.4.290.0030.03718.88
5.4.280.0130.06018.88
5.4.270.0130.04319.08
5.4.260.0100.07319.04
5.4.250.0130.05019.11
5.4.240.0030.08019.14
5.4.230.0030.05719.11
5.4.220.0030.05319.00
5.4.210.0070.06019.26
5.4.200.0030.05019.05
5.4.190.0100.06318.88
5.4.180.0000.04019.05
5.4.170.0070.03319.09
5.4.160.0070.03319.11
5.4.150.0030.03719.12
5.4.140.0030.03716.43
5.4.130.0100.03016.46
5.4.120.0030.03316.35
5.4.110.0030.03716.43
5.4.100.0130.02316.30
5.4.90.0000.03716.38
5.4.80.0000.03716.43
5.4.70.0030.03316.34
5.4.60.0100.03016.38
5.4.50.0030.03716.32
5.4.40.0030.03316.46
5.4.30.0000.03716.43
5.4.20.0000.03716.53
5.4.10.0000.03716.38
5.4.00.0070.03015.82
5.3.290.0030.04314.66
5.3.280.0070.08014.56
5.3.270.0000.04014.71
5.3.260.0000.04014.60
5.3.250.0130.02714.57
5.3.240.0000.04014.42
5.3.230.0000.04014.61
5.3.220.0030.03314.61
5.3.210.0000.04014.57
5.3.200.0000.03714.42
5.3.190.0070.03314.52
5.3.180.0070.03314.79
5.3.170.0070.04014.64
5.3.160.0000.04014.54
5.3.150.0030.03714.63
5.3.140.0070.03314.55
5.3.130.0000.04014.61
5.3.120.0030.03714.54
5.3.110.0000.04014.77
5.3.100.0070.03314.02
5.3.90.0130.03314.05
5.3.80.0030.03714.11
5.3.70.0000.04014.22
5.3.60.0070.03014.01
5.3.50.0000.03714.16
5.3.40.0030.03314.05
5.3.30.0000.03713.96
5.3.20.0000.03713.70
5.3.10.0030.04013.70
5.3.00.0030.07713.64
5.2.170.0000.03011.19
5.2.160.0000.03011.18
5.2.150.0000.03011.15
5.2.140.0030.03010.99
5.2.130.0070.02711.09
5.2.120.0030.03311.11
5.2.110.0030.02711.00
5.2.100.0070.06311.15
5.2.90.0030.06011.12
5.2.80.0130.05010.99
5.2.70.0030.03311.11
5.2.60.0100.02311.27
5.2.50.0000.03011.06
5.2.40.0000.03011.04
5.2.30.0030.03311.18
5.2.20.0000.03310.96
5.2.10.0070.03010.89
5.2.00.0070.03010.73
5.1.60.0000.0439.98
5.1.50.0100.05010.20
5.1.40.0030.0409.92
5.1.30.0070.05310.54
5.1.20.0130.04310.36
5.1.10.0100.04010.09
5.1.00.0030.0379.91
5.0.50.0000.0538.76
5.0.40.0000.0478.45
5.0.30.0000.0708.27
5.0.20.0000.0378.27
5.0.10.0030.0308.16
5.0.00.0070.0578.16
4.4.90.0000.0177.81
4.4.80.0070.0107.81
4.4.70.0000.0177.81
4.4.60.0000.0177.81
4.4.50.0070.0137.81
4.4.40.0000.0477.81
4.4.30.0070.0337.81
4.4.20.0070.0307.81
4.4.10.0030.0407.81
4.4.00.0000.0577.81
4.3.110.0000.0207.81
4.3.100.0030.0207.81
4.3.90.0000.0307.81
4.3.80.0070.0277.81
4.3.70.0030.0337.81
4.3.60.0000.0237.81
4.3.50.0070.0177.81
4.3.40.0030.0507.81
4.3.30.0000.0307.81
4.3.20.0000.0207.81
4.3.10.0000.0307.81
4.3.00.0100.0307.81

preferences:
36.88 ms | 400 KiB | 5 Q