3v4l.org

run code in 300+ PHP versions simultaneously
<?php function P(array $sources) { $result=array(); $cache=array(); foreach($sources as $node) { $cache=$result; $result=array(); foreach($node as $item) { if(empty($cache)) { $result[]=array($item); } else { foreach($cache as $line) { $line[]=$item; $result[]=$line; } } } } return $result; } $result=P(array( array('a', array('me', 'you')), array('a', 'b'), array('a', 'b'), array('a'), array('a'), array('a') )); print_r(array_map(function($a){return implode(",",$a);},$result));

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)
8.3.60.0070.01116.88
8.3.50.0120.00821.96
8.3.40.0070.00718.79
8.3.30.0100.00319.09
8.3.20.0080.00020.05
8.3.10.0080.00020.52
8.3.00.0030.00519.38
8.2.180.0090.00916.88
8.2.170.0090.00622.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00022.11
8.2.110.0060.00320.52
8.2.100.0060.00618.04
8.2.90.0040.00418.16
8.2.80.0030.00617.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0030.00718.07
8.2.40.0040.00418.20
8.2.30.0000.00719.30
8.2.20.0040.00417.76
8.2.10.0030.00618.16
8.2.00.0040.00417.80
8.1.280.0100.00725.92
8.1.270.0040.00423.85
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.01
8.1.230.0070.00320.88
8.1.220.0030.00617.89
8.1.210.0040.00418.95
8.1.200.0080.00317.35
8.1.190.0030.00717.23
8.1.180.0030.00518.10
8.1.170.0050.00518.58
8.1.160.0040.00422.02
8.1.150.0050.00218.94
8.1.140.0080.00017.46
8.1.130.0000.00717.84
8.1.120.0040.00417.49
8.1.110.0090.00017.35
8.1.100.0020.00517.52
8.1.90.0040.00417.44
8.1.80.0040.00417.47
8.1.70.0000.00717.36
8.1.60.0000.00717.55
8.1.50.0090.00017.49
8.1.40.0080.00017.57
8.1.30.0040.00417.62
8.1.20.0040.00417.62
8.1.10.0080.00017.39
8.1.00.0040.00417.34
8.0.300.0040.00419.96
8.0.290.0000.00816.75
8.0.280.0080.00018.38
8.0.270.0000.00717.31
8.0.260.0030.00317.17
8.0.250.0050.00316.96
8.0.240.0040.00416.91
8.0.230.0000.00717.06
8.0.220.0000.00716.84
8.0.210.0000.00716.82
8.0.200.0050.00217.01
8.0.190.0040.00417.02
8.0.180.0000.00716.99
8.0.170.0000.00717.04
8.0.160.0070.00016.86
8.0.150.0000.00716.75
8.0.140.0070.00316.95
8.0.130.0000.00513.36
8.0.120.0000.00716.85
8.0.110.0070.00016.99
8.0.100.0000.00816.91
8.0.90.0040.00416.93
8.0.80.0090.01316.83
8.0.70.0040.00417.02
8.0.60.0000.00716.82
8.0.50.0050.00317.02
8.0.30.0110.01017.30
8.0.20.0110.00817.40
8.0.10.0070.00017.14
8.0.00.0080.00816.74
7.4.330.0020.00215.09
7.4.320.0030.00316.56
7.4.300.0040.00416.51
7.4.290.0000.00816.59
7.4.280.0050.00316.62
7.4.270.0030.00316.51
7.4.260.0050.00216.56
7.4.250.0080.00016.55
7.4.240.0020.00516.51
7.4.230.0000.00716.61
7.4.220.0120.00616.54
7.4.210.0110.00416.57
7.4.200.0070.00016.37
7.4.160.0040.01616.44
7.4.150.0090.01117.40
7.4.140.0090.00817.86
7.4.130.0070.01216.53
7.4.120.0110.00616.56
7.4.110.0070.01016.45
7.4.100.0030.01316.62
7.4.90.0130.00316.42
7.4.80.0030.01619.39
7.4.70.0100.00916.63
7.4.60.0120.00316.51
7.4.50.0060.00016.29
7.4.40.0240.00016.21
7.4.30.0130.00316.54
7.4.00.0110.00414.91
7.3.330.0060.00013.29
7.3.320.0000.00513.30
7.3.310.0000.00716.25
7.3.300.0000.00716.47
7.3.290.0120.00816.44
7.3.280.0060.01116.46
7.3.270.0060.01217.40
7.3.260.0100.00816.48
7.3.250.0170.00216.47
7.3.240.0070.01116.64
7.3.230.0130.00616.39
7.3.210.0110.00616.50
7.3.200.0100.01019.39
7.3.190.0050.01516.69
7.3.180.0140.00316.34
7.3.170.0030.01416.51
7.3.160.0090.00616.59
7.3.10.0070.00716.50
7.3.00.0030.00916.82
7.2.330.0150.00616.52
7.2.320.0170.00016.80
7.2.310.0060.01216.58
7.2.300.0090.00916.60
7.2.290.0030.01316.80
7.2.130.0070.01016.96
7.2.120.0060.00617.13
7.2.110.0090.00616.93
7.2.100.0080.00416.80
7.2.90.0060.01217.03
7.2.80.0000.01716.95
7.2.70.0160.00316.96
7.2.60.0030.01416.85
7.2.50.0040.00416.75
7.2.40.0070.00716.92
7.2.30.0030.01016.91
7.2.20.0030.00717.03
7.2.10.0000.01116.89
7.2.00.0050.01018.25
7.1.250.0120.00315.77
7.1.100.0040.00718.12
7.1.70.0000.01016.85
7.1.60.0100.01319.12
7.1.50.0040.01116.88
7.1.00.0070.07022.45
7.0.200.0000.01016.81
7.0.140.0030.07322.21
7.0.60.0130.05320.04
7.0.50.0070.03717.87
7.0.40.0130.04720.09
7.0.30.0470.05720.33
7.0.20.0330.07020.19
7.0.10.0300.05320.24
7.0.00.0070.04720.12
5.6.280.0070.07021.13
5.6.210.0170.07020.63
5.6.200.0030.08318.23
5.6.190.0000.05320.48
5.6.180.0330.05020.48
5.6.170.0200.04020.54
5.6.160.0070.07320.40
5.6.150.0200.06718.22
5.6.140.0000.08318.17
5.6.130.0100.08018.23
5.6.120.0000.04721.00
5.6.110.0030.04021.04
5.6.100.0130.05721.12
5.6.90.0130.06020.89
5.6.80.0170.07320.36
5.6.70.4470.04020.29
5.5.350.0000.05720.42
5.5.340.0070.03718.08
5.5.330.0100.08020.21
5.5.320.0230.05320.37
5.5.310.0230.08020.38
5.5.300.0070.06717.97
5.5.290.0070.05317.98
5.5.280.0130.07320.66
5.5.270.0030.04720.88
5.5.260.0030.08320.77
5.5.250.0030.08020.78
5.5.240.0070.08020.16
5.4.450.0170.05019.45
5.4.440.0370.03019.64
5.4.430.0200.04019.45
5.4.420.0270.04319.45
5.4.410.0230.04019.45
5.4.400.0070.05319.45
5.4.390.0200.04019.45
5.4.380.0400.05018.58
5.4.370.0400.05318.73
5.4.360.0270.05718.76
5.4.350.0200.07018.83
5.4.340.0400.05018.55
5.4.320.0060.04412.52
5.4.310.0060.03912.51
5.4.300.0060.03712.52
5.4.290.0080.03712.51
5.4.280.0030.03912.41
5.4.270.0040.03712.41
5.4.260.0050.03812.41
5.4.250.0070.04012.41
5.4.240.0080.03612.41
5.4.230.0030.04112.40
5.4.220.0050.03612.40
5.4.210.0090.04212.40
5.4.200.0070.05012.40
5.4.190.0040.03812.40
5.4.180.0070.03412.40
5.4.170.0030.03912.40
5.4.160.0060.03712.41
5.4.150.0060.03512.40
5.4.140.0050.03712.08
5.4.130.0070.03412.07
5.4.120.0070.03812.03
5.4.110.0050.04012.02
5.4.100.0080.03512.02
5.4.90.0060.03912.03
5.4.80.0050.03812.02
5.4.70.0070.03412.02
5.4.60.0050.03512.02
5.4.50.0080.03312.02
5.4.40.0050.03412.01
5.4.30.0040.03612.01
5.4.20.0030.03712.00
5.4.10.0040.03512.00
5.4.00.0050.03711.50
5.3.290.0050.04212.80
5.3.280.0050.03812.70
5.3.270.0040.04012.72
5.3.260.0030.04012.72
5.3.250.0050.03712.72
5.3.240.0060.03712.72
5.3.230.0020.04112.71
5.3.220.0050.04212.68
5.3.210.0050.03912.68
5.3.200.0080.03412.68
5.3.190.0100.03412.68
5.3.180.0050.03812.67
5.3.170.0080.03612.67
5.3.160.0070.03712.68
5.3.150.0100.03512.67
5.3.140.0070.03412.66
5.3.130.0080.03612.66
5.3.120.0070.03712.66
5.3.110.0060.03812.66
5.3.100.0030.03912.13
5.3.90.0050.04312.11
5.3.80.0060.03612.11
5.3.70.0060.03612.11
5.3.60.0050.03512.09
5.3.50.0020.03812.04
5.3.40.0050.03612.04
5.3.30.0030.03712.00
5.3.20.0060.03411.78
5.3.10.0060.03411.74
5.3.00.0040.03711.73
5.2.170.0010.0339.22
5.2.160.0070.0289.22
5.2.150.0040.0339.22
5.2.140.0050.0409.22
5.2.130.0010.0349.18
5.2.120.0010.0329.18
5.2.110.0030.0319.19
5.2.100.0020.0319.18
5.2.90.0020.0309.19
5.2.80.0050.0289.18
5.2.70.0040.0309.18
5.2.60.0030.0309.13
5.2.50.0060.0279.10
5.2.40.0040.0299.08
5.2.30.0060.0339.06
5.2.20.0060.0309.04
5.2.10.0040.0288.95
5.2.00.0030.0308.82
5.1.60.0010.0268.09
5.1.50.0040.0248.09
5.1.40.0030.0258.07
5.1.30.0020.0288.42
5.1.20.0010.0298.45
5.1.10.0040.0258.16
5.1.00.0030.0268.17
5.0.50.0030.0206.64
5.0.40.0030.0206.50
5.0.30.0030.0376.31
5.0.20.0030.0196.29
5.0.10.0000.0226.26
5.0.00.0020.0316.25
4.4.90.0020.0164.78
4.4.80.0000.0184.75
4.4.70.0040.0134.76
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0030.0154.76
4.4.20.0000.0184.84
4.4.10.0040.0184.85
4.4.00.0020.0254.76
4.3.110.0050.0124.67
4.3.100.0020.0154.67
4.3.90.0020.0174.63
4.3.80.0040.0234.59
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0020.0154.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0040.0153.28
4.3.10.0010.0173.24
4.3.00.0130.01319.45

preferences:
46.11 ms | 401 KiB | 5 Q