3v4l.org

run code in 300+ PHP versions simultaneously
<?php function combinaisons(array $tab, $taille){ foreach ($tab as $c) { if($taille == 1) return $c; else { foreach (combinaisons($tab, $taille - 1) as $s) return $c + $s; } } } $ii = array("a", "b"); combinaisons($ii, 2);

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)
8.3.70.0110.00318.55
8.3.60.0100.01018.55
8.3.50.0150.00621.84
8.3.40.0120.00318.46
8.3.30.0000.01418.96
8.3.20.0040.00420.21
8.3.10.0080.00020.28
8.3.00.0050.00319.13
8.2.180.0140.00016.38
8.2.170.0140.00722.96
8.2.160.0040.01120.38
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00222.27
8.2.110.0030.00622.06
8.2.100.0070.00419.63
8.2.90.0000.00819.02
8.2.80.0050.00317.97
8.2.70.0040.00417.61
8.2.60.0040.00417.93
8.2.50.0040.00818.07
8.2.40.0000.00818.13
8.2.30.0000.00719.12
8.2.20.0040.00417.67
8.2.10.0000.00717.94
8.2.00.0040.00417.73
8.1.280.0070.00725.92
8.1.270.0060.00323.82
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0040.00423.82
8.1.230.0070.00319.00
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0060.00617.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00818.50
8.1.160.0030.00522.05
8.1.150.0030.00518.85
8.1.140.0000.00717.48
8.1.130.0070.00017.88
8.1.120.0000.00717.49
8.1.110.0040.00417.48
8.1.100.0080.00017.45
8.1.90.0040.00417.46
8.1.80.0030.00617.43
8.1.70.0030.00317.32
8.1.60.0000.00817.55
8.1.50.0070.00017.53
8.1.40.0040.00417.51
8.1.30.0040.00417.47
8.1.20.0030.00617.48
8.1.10.0000.00717.48
8.1.00.0040.00417.36
8.0.300.0030.00518.77
8.0.290.0000.00916.75
8.0.280.0040.00418.35
8.0.270.0040.00417.25
8.0.260.0030.00317.25
8.0.250.0030.00317.02
8.0.240.0000.00716.93
8.0.230.0060.00317.00
8.0.220.0040.00416.89
8.0.210.0070.00017.01
8.0.200.0000.00717.07
8.0.190.0030.00316.96
8.0.180.0000.00816.99
8.0.170.0040.00416.98
8.0.160.0070.00016.83
8.0.150.0080.00016.84
8.0.140.0000.00716.86
8.0.130.0030.00313.39
8.0.120.0000.00816.84
8.0.110.0000.00816.96
8.0.100.0070.00016.95
8.0.90.0000.00716.95
8.0.80.0070.01316.89
8.0.70.0050.00216.81
8.0.60.0000.00716.78
8.0.50.0040.00417.00
8.0.30.0100.01317.13
8.0.20.0090.01217.40
8.0.10.0000.00716.96
8.0.00.0120.00616.73
7.4.330.0030.00315.16
7.4.320.0000.00616.51
7.4.300.0000.00616.42
7.4.290.0030.00316.52
7.4.280.0030.00316.48
7.4.270.0000.00716.43
7.4.260.0030.00316.59
7.4.250.0000.00716.55
7.4.240.0030.00416.50
7.4.230.0040.00416.67
7.4.220.0090.01616.70
7.4.210.0140.00016.52
7.4.200.0000.00716.55
7.4.160.0120.00816.58
7.4.150.0160.00517.40
7.4.140.0110.00817.86
7.4.130.0110.00516.40
7.4.120.0080.00816.65
7.4.110.0060.01016.41
7.4.100.0090.00616.67
7.4.90.0060.01216.56
7.4.80.0110.00716.62
7.4.70.0030.01416.58
7.4.60.0000.01816.55
7.4.50.0040.00416.38
7.4.40.0120.00416.29
7.4.30.0080.00816.64
7.4.00.0030.01414.95
7.3.330.0000.00613.18
7.3.320.0000.00613.39
7.3.310.0030.00316.41
7.3.300.0000.00716.32
7.3.290.0160.00416.38
7.3.280.0070.00916.34
7.3.270.0000.02017.40
7.3.260.0040.01616.43
7.3.250.0070.00916.47
7.3.240.0090.00916.58
7.3.230.0110.00616.59
7.3.210.0030.01616.40
7.3.200.0100.00919.39
7.3.190.0060.01316.61
7.3.180.0130.00716.40
7.3.170.0070.00916.53
7.3.160.0110.00416.55
7.3.120.0070.01015.11
7.3.110.0040.00814.68
7.3.100.0090.00614.91
7.3.90.0150.00015.17
7.3.80.0030.01014.71
7.3.70.0100.00714.97
7.3.60.0100.00314.55
7.3.50.0030.01214.83
7.3.40.0070.01114.68
7.3.30.0090.00614.98
7.3.20.0100.01016.75
7.3.10.0100.00516.62
7.3.00.0070.00716.49
7.2.330.0170.00016.68
7.2.320.0110.01016.52
7.2.310.0170.00016.86
7.2.300.0030.01216.31
7.2.290.0060.01016.88
7.2.250.0070.01415.21
7.2.240.0030.01714.82
7.2.230.0080.00815.20
7.2.220.0000.01014.94
7.2.210.0070.01014.82
7.2.200.0070.01014.86
7.2.190.0030.01014.83
7.2.180.0060.00914.84
7.2.170.0070.01114.91
7.2.130.0060.00616.96
7.2.120.0110.00417.07
7.2.110.0140.00016.96
7.2.100.0060.00316.87
7.2.90.0000.01416.87
7.2.80.0060.01216.32
7.2.70.0090.00916.70
7.2.60.0090.00616.95
7.2.50.0060.00616.80
7.2.40.0090.00316.78
7.2.30.0070.00716.92
7.2.20.0030.00816.98
7.2.10.0000.01217.01
7.2.00.0030.01218.07
7.1.330.0030.00915.89
7.1.320.0120.00315.88
7.1.310.0000.01415.54
7.1.300.0060.00915.70
7.1.290.0080.00415.50
7.1.280.0030.01015.80
7.1.270.0070.01015.82
7.1.260.0030.01015.51
7.1.250.0100.00315.78
7.1.100.0120.00918.13
7.1.70.0000.01416.87
7.1.60.0120.00919.32
7.1.50.0100.01416.88
7.1.00.0030.07322.37
7.0.200.0000.00716.76
7.0.140.0000.07722.09
7.0.60.0070.08319.95
7.0.50.0030.06017.84
7.0.40.0130.07720.24
7.0.30.0230.04720.34
7.0.20.0200.08720.24
7.0.10.0030.06020.30
7.0.00.0170.07720.23
5.6.280.0070.07021.07
5.6.210.0130.07320.70
5.6.200.0030.05318.22
5.6.190.0030.04320.55
5.6.180.0300.04720.43
5.6.170.0370.08020.51
5.6.160.0070.08320.61
5.6.150.0170.06718.14
5.6.140.0030.04018.15
5.6.130.0100.07718.18
5.6.120.0130.05020.89
5.6.110.0100.08020.97
5.6.100.0130.05020.99
5.6.90.0070.06721.01
5.6.80.0070.08020.38
5.5.350.0170.08320.45
5.5.340.0000.04017.98
5.5.330.0070.08320.45
5.5.320.0370.06020.25
5.5.310.0230.06720.28
5.5.300.0000.04317.96
5.5.290.0070.04018.06
5.5.280.0000.08320.94
5.5.270.0070.05320.88
5.5.260.0100.06720.85
5.5.250.0130.08020.68
5.5.240.0100.07320.35
5.4.450.0300.05019.48
5.4.440.1170.06019.71
5.4.430.1270.04719.55
5.4.420.0870.06019.30
5.4.410.1000.05019.19
5.4.400.1170.04719.29
5.4.390.0770.06318.86
5.4.380.0500.06318.70
5.4.370.0300.05318.84
5.4.360.0270.05718.56
5.4.350.0430.07318.47
5.4.340.0500.04018.74
5.4.320.0030.03912.50
5.4.310.0040.03912.50
5.4.300.0080.03312.50
5.4.290.0050.03812.50
5.4.280.0070.03312.39
5.4.270.0080.03312.40
5.4.260.0030.04012.40
5.4.250.0040.03912.40
5.4.240.0050.03712.40
5.4.230.0060.03712.39
5.4.220.0040.04112.39
5.4.210.0060.03512.39
5.4.200.0040.03912.39
5.4.190.0070.03512.39
5.4.180.0020.04012.39
5.4.170.0050.03612.40
5.4.160.0080.03312.39
5.4.150.0040.03712.39
5.4.140.0080.03612.07
5.4.130.0020.03912.05
5.4.120.0060.03512.02
5.4.110.0060.03412.01
5.4.100.0050.03612.01
5.4.90.0040.03812.01
5.4.80.0060.04012.01
5.4.70.0050.03612.01
5.4.60.0070.03312.01
5.4.50.0060.03512.01
5.4.40.0050.03612.00
5.4.30.0040.03712.00
5.4.20.0080.03511.99
5.4.10.0090.03611.99
5.4.00.0060.03711.48
5.3.290.0020.04612.80
5.3.280.0060.04012.71
5.3.270.0070.03912.72
5.3.260.0090.03812.72
5.3.250.0090.03512.72
5.3.240.0090.03512.72
5.3.230.0080.03612.71
5.3.220.0080.03512.68
5.3.210.0050.04012.68
5.3.200.0070.03612.68
5.3.190.0060.03712.68
5.3.180.0060.03712.67
5.3.170.0050.03712.67
5.3.160.0090.03412.67
5.3.150.0060.03612.68
5.3.140.0070.03412.66
5.3.130.0050.04212.66
5.3.120.0100.04112.66
5.3.110.0070.04312.66
5.3.100.0110.03612.12
5.3.90.0080.03612.10
5.3.80.0100.03512.09
5.3.70.0110.04612.09
5.3.60.0070.03512.07
5.3.50.0040.03812.02
5.3.40.0040.03712.02
5.3.30.0040.03611.98
5.3.20.0070.03711.76
5.3.10.0060.03511.73
5.3.00.0040.03711.72
5.2.170.0060.0289.21
5.2.160.0040.0299.21
5.2.150.0050.0309.21
5.2.140.0070.0299.21
5.2.130.0020.0319.17
5.2.120.0050.0299.17
5.2.110.0050.0289.18
5.2.100.0050.0279.17
5.2.90.0040.0299.18
5.2.80.0080.0269.17
5.2.70.0030.0329.17
5.2.60.0050.0309.13
5.2.50.0050.0309.09
5.2.40.0050.0309.07
5.2.30.0040.0329.04
5.2.20.0050.0309.03
5.2.10.0070.0298.89
5.2.00.0080.0348.80
5.1.60.0030.0258.09
5.1.50.0050.0248.09
5.1.40.0060.0228.06
5.1.30.0020.0288.41
5.1.20.0050.0258.43
5.1.10.0040.0298.16
5.1.00.0050.0258.16
5.0.50.0050.0196.64
5.0.40.0020.0206.50
5.0.30.0020.0336.31
5.0.20.0030.0216.29
5.0.10.0050.0186.25
5.0.00.0030.0316.25
4.4.90.0030.0154.77
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0010.0174.76
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0020.0164.76
4.4.20.0020.0164.84
4.4.10.0030.0154.84
4.4.00.0030.0244.76
4.3.110.0020.0174.67
4.3.100.0050.0124.66
4.3.90.0060.0194.64
4.3.80.0050.0224.58
4.3.70.0030.0144.63
4.3.60.0020.0234.63
4.3.50.0050.0214.62
4.3.40.0030.0244.54
4.3.30.0030.0173.30
4.3.20.0020.0163.29
4.3.10.0020.0163.23
4.3.00.0030.0236.86

preferences:
49.27 ms | 401 KiB | 5 Q