3v4l.org

run code in 300+ PHP versions simultaneously
<?php function computeCombination(array $source,$picks,$startIndex=0,array $pad=array()) { if($picks<=0) { return $pad; } elseif($picks>=count($source)-$startIndex) { return array_merge($pad,array_slice($source,$startIndex)); } $result=array(); foreach(range($startIndex,count($source)-$picks) as $subStartIndex) { $subPad=$pad; $subPad[]=$source[$subStartIndex]; $result=array_merge($result,array(computeCombination($source,$picks-1,$subStartIndex+1,$subPad))); } return $result; } print_r(computeCombination(array(1,2,3,4,5,6,7,8),6));

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)
8.3.40.0120.00318.70
8.3.30.0070.00718.69
8.3.20.0040.00418.73
8.3.10.0090.00618.77
8.3.00.0090.00019.25
8.2.170.0100.00722.96
8.2.160.0090.00618.90
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00319.66
8.2.110.0060.00320.43
8.2.100.0040.00717.91
8.2.90.0050.00319.26
8.2.80.0040.00617.97
8.2.70.0060.00317.50
8.2.60.0060.00617.68
8.2.50.0040.00418.05
8.2.40.0040.00419.48
8.2.30.0040.00417.76
8.2.20.0060.00317.54
8.2.10.0080.00017.64
8.2.00.0040.00417.64
8.1.270.0000.00723.99
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0040.00419.15
8.1.230.0040.00817.77
8.1.220.0030.00617.78
8.1.210.0090.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0070.00019.09
8.1.150.0040.00418.64
8.1.140.0070.00017.43
8.1.130.0000.00819.10
8.1.120.0070.00017.37
8.1.110.0040.00417.35
8.1.100.0000.00717.44
8.1.90.0050.00317.55
8.1.80.0030.00517.36
8.1.70.0040.00417.51
8.1.60.0040.00417.50
8.1.50.0000.00717.54
8.1.40.0030.00617.57
8.1.30.0050.00317.72
8.1.20.0040.00917.64
8.1.10.0040.00417.64
8.1.00.0000.00817.52
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0050.00318.63
8.0.270.0000.00717.33
8.0.260.0040.00416.74
8.0.250.0020.00816.94
8.0.240.0000.01016.96
8.0.230.0040.00416.98
8.0.220.0030.00316.98
8.0.210.0000.00716.92
8.0.200.0030.00316.93
8.0.190.0040.00416.91
8.0.180.0070.00016.82
8.0.170.0000.00916.82
8.0.160.0000.00716.93
8.0.150.0000.00816.82
8.0.140.0000.00716.89
8.0.130.0030.00313.33
8.0.120.0000.00916.85
8.0.110.0040.00416.91
8.0.100.0000.00716.97
8.0.90.0050.00316.82
8.0.80.0040.01216.93
8.0.70.0000.00817.02
8.0.60.0030.00616.89
8.0.50.0060.00316.76
8.0.30.0040.01117.04
8.0.20.0100.00917.14
8.0.10.0040.00416.89
8.0.00.0110.00816.77
7.4.330.0020.00212.98
7.4.320.0030.00316.59
7.4.300.0000.00616.54
7.4.290.0050.00516.54
7.4.280.0040.00416.63
7.4.270.0030.00316.61
7.4.260.0050.00013.30
7.4.250.0000.00816.50
7.4.240.0020.00516.60
7.4.230.0030.00316.65
7.4.220.0200.00716.68
7.4.210.0030.01216.55
7.4.200.0030.00316.73
7.4.190.0030.00516.57
7.4.160.0090.00616.58
7.4.150.0150.00316.44
7.4.140.0130.00717.86
7.4.130.0070.01716.45
7.4.120.0090.00916.54
7.4.110.0070.01016.41
7.4.100.0030.01416.57
7.4.90.0090.00916.54
7.4.80.0160.00619.39
7.4.70.0150.00616.52
7.4.60.0120.00916.53
7.4.50.0000.00716.67
7.4.40.0140.00316.60
7.4.30.0120.00916.62
7.4.00.0070.01014.79
7.3.330.0030.00313.35
7.3.320.0000.00613.20
7.3.310.0070.00016.29
7.3.300.0020.00516.37
7.3.290.0130.00516.30
7.3.280.0060.01516.39
7.3.270.0070.01016.63
7.3.260.0090.00916.71
7.3.240.0030.01316.44
7.3.230.0130.00316.47
7.3.210.0080.00816.35
7.3.200.0120.00816.64
7.3.190.0080.01116.45
7.3.180.0130.00316.48
7.3.170.0120.00316.68
7.3.160.0030.01316.56
7.3.120.0120.00314.79
7.3.10.0000.01416.50
7.3.00.0080.00416.60
7.2.330.0100.00716.79
7.2.320.0130.01016.63
7.2.310.0030.01616.86
7.2.300.0070.01016.51
7.2.290.0060.01216.84
7.2.130.0100.00317.00
7.2.120.0030.00917.13
7.2.110.0040.00716.93
7.2.100.0040.00716.75
7.2.90.0060.00317.02
7.2.80.0060.00917.13
7.2.70.0030.00917.19
7.2.60.0070.00516.96
7.2.50.0030.00816.97
7.2.40.0000.01116.78
7.2.30.0040.00716.72
7.2.20.0070.00717.01
7.2.10.0000.01317.03
7.2.00.0070.00718.18
7.1.250.0040.00816.01
7.1.200.0080.00615.93
7.1.100.0000.00918.18
7.1.70.0050.00217.38
7.1.60.0070.01719.25
7.1.50.0130.00716.94
7.1.00.0000.04322.28
7.0.200.0180.00416.85
7.0.140.0130.07722.00
7.0.120.0130.07322.00
7.0.60.0130.07321.73
7.0.50.0170.08017.88
7.0.40.0170.08020.24
7.0.30.0430.05020.23
7.0.20.0300.08320.23
7.0.10.0200.07320.07
7.0.00.0200.04320.05
5.6.280.0230.06720.82
5.6.210.0070.06720.63
5.6.200.0100.04018.27
5.6.190.0170.05720.47
5.6.180.0200.04320.46
5.6.170.0300.08720.39
5.6.160.0100.06020.44
5.6.150.0200.08018.23
5.6.140.0100.05318.19
5.6.130.0100.06018.21
5.6.120.0100.06321.06
5.6.110.0170.07321.15
5.6.100.0130.03721.00
5.6.90.0130.08320.99
5.6.80.0170.08020.43
5.5.350.0130.07320.46
5.5.340.0170.04318.09
5.5.330.0070.04320.57
5.5.320.0330.05020.28
5.5.310.0300.04320.49
5.5.300.0070.04717.95
5.5.290.0130.07317.98
5.5.280.0030.05020.66
5.5.270.0130.08020.98
5.5.260.0130.08320.85
5.5.250.0170.08020.66
5.5.240.0130.08320.16
5.4.450.0130.03319.48
5.4.440.0130.04019.47
5.4.430.0100.04019.30
5.4.420.0070.04019.56
5.4.410.0170.03319.29
5.4.400.0170.04319.25
5.4.390.0130.04719.24
5.4.380.0070.08318.98
5.4.370.0170.05318.85
5.4.360.0130.07719.24
5.4.350.0170.03318.87
5.4.340.0130.04719.21
5.4.320.0170.07719.08
5.4.310.0100.04019.15
5.4.300.0170.05319.24
5.4.290.0230.06319.15
5.4.280.0100.05318.92
5.4.270.0100.08018.83
5.4.260.0130.08319.15
5.4.250.0170.07319.07
5.4.240.0130.06318.97
5.4.230.0170.07318.85
5.4.220.0100.07018.84
5.4.210.0300.06318.92
5.4.200.0170.05019.11
5.4.190.0200.05019.17
5.4.180.0100.04319.14
5.4.170.0200.07319.14
5.4.160.0070.04718.98
5.4.150.0100.04019.22
5.4.140.0070.03716.34
5.4.130.0200.03716.54
5.4.120.0100.05716.34
5.4.110.0170.07316.35
5.4.100.0070.08016.31
5.4.90.0200.07016.45
5.4.80.0300.06016.46
5.4.70.0100.03716.43
5.4.60.0170.06716.38
5.4.50.0100.04716.42
5.4.40.0170.07716.64
5.4.30.0130.07316.37
5.4.20.0170.05716.52
5.4.10.0170.07316.37
5.4.00.0100.04715.83
5.3.290.0100.04014.71
5.3.280.0230.07314.62
5.3.270.0230.06714.64
5.3.260.0100.04014.70
5.3.250.0170.06714.64
5.3.240.0130.05014.78
5.3.230.0130.06014.62
5.3.220.0130.03714.62
5.3.210.0100.04714.52
5.3.200.0130.07314.63
5.3.190.0070.08014.61
5.3.180.0170.05714.74
5.3.170.0270.06714.59
5.3.160.0070.05014.66
5.3.150.0100.04014.60
5.3.140.0070.05314.58
5.3.130.0170.06314.59
5.3.120.0100.08014.61
5.3.110.0130.06714.57
5.3.100.0130.07013.98
5.3.90.0100.04714.13
5.3.80.0130.03314.05
5.3.70.0130.07014.08
5.3.60.0200.07014.03
5.3.50.0130.07014.02
5.3.40.0070.07013.86
5.3.30.0100.07713.96
5.3.20.0100.05013.61
5.3.10.0070.06713.70
5.3.00.0230.06713.71
5.2.170.0100.05711.10
5.2.160.0030.05311.34
5.2.150.0070.05711.13
5.2.140.0130.05311.23
5.2.130.0070.03311.03
5.2.120.0170.06711.11
5.2.110.0170.05711.08
5.2.100.0070.07311.09
5.2.90.0070.07011.09
5.2.80.0170.03711.12
5.2.70.0130.02711.14
5.2.60.0130.04711.03
5.2.50.0100.03011.11
5.2.40.0130.03311.00
5.2.30.0100.06310.89
5.2.20.0100.03710.88
5.2.10.0100.03010.89
5.2.00.0070.06710.75
5.1.60.0070.04710.00
5.1.50.0200.05010.10
5.1.40.0130.0439.97
5.1.30.0100.02310.36
5.1.20.0100.02310.54
5.1.10.0100.05010.17
5.1.00.0230.04310.06
5.0.50.0070.0239.56
5.0.40.0030.0479.56
5.0.30.0070.0579.56
5.0.20.0030.0439.56
5.0.10.0070.0279.56
5.0.00.0000.0379.56
4.4.90.0030.0379.56
4.4.80.0000.0209.56
4.4.70.0000.0379.56
4.4.60.0030.0309.56
4.4.50.0000.0379.56
4.4.40.0000.0309.56
4.4.30.0000.0379.56
4.4.20.0070.0239.56
4.4.10.0000.0339.56
4.4.00.0100.0309.56
4.3.110.0130.0139.56
4.3.100.0130.0139.56
4.3.90.0070.0179.56
4.3.80.0000.0539.56
4.3.70.0030.0309.56
4.3.60.0000.0309.56
4.3.50.0100.0279.56
4.3.40.0070.0479.56
4.3.30.0000.0239.56
4.3.20.0000.0409.56
4.3.10.0030.0139.56
4.3.00.0030.0379.56

preferences:
37.28 ms | 400 KiB | 5 Q