3v4l.org

run code in 300+ PHP versions simultaneously
<?php function permutation($arr) { while($ele=array_shift($arr)) { $row=array($ele); foreach($arr as $rest) { $row[]=$rest; } if(count($row)==2) var_dump($row); } } permutation(array("1","2","3","4"));

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)
8.3.60.0090.00618.55
8.3.50.0120.00922.11
8.3.40.0180.00018.75
8.3.30.0060.00819.09
8.3.20.0070.00020.16
8.3.10.0000.00922.14
8.3.00.0080.00022.54
8.2.180.0120.00916.50
8.2.170.0070.00722.96
8.2.160.0140.00020.92
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00317.63
8.2.110.0040.00422.25
8.2.100.0040.00817.71
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0050.00318.05
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0060.00618.05
8.2.20.0040.00417.64
8.2.10.0000.00817.66
8.2.00.0060.00317.68
8.1.280.0140.00725.92
8.1.270.0040.00423.97
8.1.260.0050.00226.35
8.1.250.0000.01428.09
8.1.240.0090.00023.77
8.1.230.0080.00318.98
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0090.00017.51
8.1.180.0080.00018.10
8.1.170.0000.00818.65
8.1.160.0030.00622.12
8.1.150.0000.00718.60
8.1.140.0070.00017.50
8.1.130.0070.00017.77
8.1.120.0040.00417.40
8.1.110.0050.00317.47
8.1.100.0000.00717.41
8.1.90.0000.00817.49
8.1.80.0000.00817.50
8.1.70.0000.00717.47
8.1.60.0000.00817.49
8.1.50.0000.00717.44
8.1.40.0060.00617.57
8.1.30.0000.00917.61
8.1.20.0040.00417.63
8.1.10.0040.00417.39
8.1.00.0000.00917.34
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0000.00818.33
8.0.270.0000.00717.25
8.0.260.0070.00016.75
8.0.250.0040.00417.00
8.0.240.0070.00016.97
8.0.230.0060.00016.98
8.0.220.0070.00016.86
8.0.210.0070.00016.90
8.0.200.0040.00417.01
8.0.190.0050.00516.93
8.0.180.0000.00716.92
8.0.170.0040.00417.01
8.0.160.0030.00516.79
8.0.150.0030.00316.88
8.0.140.0000.00716.88
8.0.130.0030.00313.29
8.0.120.0020.00516.75
8.0.110.0030.00516.81
8.0.100.0040.00416.92
8.0.90.0000.00716.69
8.0.80.0000.01816.83
8.0.70.0050.00316.93
8.0.60.0070.00016.79
8.0.50.0040.00416.95
8.0.30.0120.00817.09
8.0.20.0080.01117.40
8.0.10.0030.00517.13
8.0.00.0050.01316.66
7.4.330.0020.00215.09
7.4.320.0030.00316.50
7.4.300.0000.00716.53
7.4.290.0060.00316.57
7.4.280.0000.00716.64
7.4.270.0070.00016.62
7.4.260.0000.00716.59
7.4.250.0040.00416.48
7.4.240.0040.00416.53
7.4.230.0060.00316.67
7.4.220.0120.01316.45
7.4.210.0090.00516.51
7.4.200.0060.00316.41
7.4.190.0000.00716.60
7.4.160.0100.00516.42
7.4.150.0050.01417.40
7.4.140.0140.01017.86
7.4.130.0060.01216.55
7.4.120.0120.01016.55
7.4.110.0060.01216.48
7.4.100.0070.01016.64
7.4.90.0120.00616.58
7.4.80.0070.01319.39
7.4.70.0120.00916.46
7.4.60.0150.00316.38
7.4.50.0050.00216.14
7.4.40.0130.00322.77
7.4.30.0090.00616.68
7.4.00.0080.00915.10
7.3.330.0060.00013.33
7.3.320.0000.00613.12
7.3.310.0070.00016.34
7.3.300.0030.00316.30
7.3.290.0080.00616.20
7.3.280.0090.00916.34
7.3.270.0110.00617.40
7.3.260.0130.00416.41
7.3.250.0090.01216.62
7.3.240.0110.00616.49
7.3.230.0070.01016.48
7.3.210.0000.01716.46
7.3.200.0130.00719.39
7.3.190.0000.01716.67
7.3.180.0030.01216.49
7.3.170.0060.00916.51
7.3.160.0080.00816.67
7.3.120.0040.01215.04
7.3.110.0030.01214.95
7.3.100.0060.00914.62
7.3.90.0030.00614.89
7.3.80.0060.00915.01
7.3.70.0070.00714.90
7.3.60.0040.01114.88
7.3.50.0070.01014.85
7.3.40.0060.00314.65
7.3.30.0090.00614.98
7.3.20.0060.00916.40
7.3.10.0060.00516.62
7.3.00.0030.00716.45
7.2.330.0040.01416.84
7.2.320.0090.01216.50
7.2.310.0090.01016.46
7.2.300.0110.01116.55
7.2.290.0040.01216.86
7.2.250.0110.00414.83
7.2.240.0070.01114.86
7.2.230.0000.01614.95
7.2.220.0080.00414.82
7.2.210.0100.01015.02
7.2.200.0100.00715.18
7.2.190.0000.01514.90
7.2.180.0040.00814.89
7.2.170.0060.00615.09
7.2.00.0040.01119.48
7.1.330.0040.01115.56
7.1.320.0000.01116.04
7.1.310.0120.00015.88
7.1.300.0040.01115.89
7.1.290.0070.00315.92
7.1.280.0030.01015.88
7.1.270.0090.00615.98
7.1.260.0060.00615.51
7.1.100.0080.00018.25
7.1.70.0070.00017.18
7.1.60.0090.01619.82
7.1.50.0040.00716.94
7.1.00.0030.07722.54
7.0.200.0090.00316.64
7.0.140.0070.07021.96
7.0.60.0030.08019.80
7.0.50.0030.04317.87
7.0.40.0070.08320.04
7.0.30.0430.05720.30
7.0.20.0230.04320.23
7.0.10.0030.04020.23
7.0.00.0070.08320.09
5.6.280.0070.07021.09
5.6.210.0100.03720.71
5.6.200.0030.06018.18
5.6.190.0100.07720.48
5.6.180.0300.03320.47
5.6.170.0430.06720.55
5.6.160.0030.05020.49
5.6.150.0030.06718.14
5.6.140.0100.05318.28
5.6.130.0130.06018.21
5.6.120.0000.04720.99
5.6.110.0100.08021.02
5.6.100.0100.06721.10
5.6.90.0100.06021.12
5.6.80.0070.07720.49
5.6.70.4530.04020.42
5.5.350.0100.05720.44
5.5.340.0030.08018.10
5.5.330.0030.04720.25
5.5.320.0200.04320.29
5.5.310.0170.06720.27
5.5.300.0070.03318.09
5.5.290.0100.07017.95
5.5.280.0030.05720.77
5.5.270.0130.07720.97
5.5.260.0130.06320.77
5.5.250.0070.09020.68
5.5.240.0100.07020.04
5.4.450.0470.04319.28
5.4.440.0500.05319.55
5.4.430.0600.04019.41
5.4.420.0500.03019.56
5.4.410.0070.05318.94
5.4.400.0170.04718.81
5.4.390.0070.05718.84
5.4.380.0330.03718.59
5.4.370.0130.05018.74
5.4.360.0230.05718.75
5.4.350.0200.04718.72
5.4.340.0130.05718.75
5.4.320.0100.03612.51
5.4.310.0070.03612.50
5.4.300.0050.03812.50
5.4.290.0090.04912.50
5.4.280.0040.03712.38
5.4.270.0070.03512.37
5.4.260.0030.04012.37
5.4.250.0070.03612.37
5.4.240.0070.04112.38
5.4.230.0050.03912.36
5.4.220.0060.04112.36
5.4.210.0080.03312.36
5.4.200.0120.04412.36
5.4.190.0090.04112.36
5.4.180.0130.04012.36
5.4.170.0030.03912.37
5.4.160.0040.04112.36
5.4.150.0140.04112.36
5.4.140.0040.04612.04
5.4.130.0060.03512.03
5.4.120.0080.03411.99
5.4.110.0080.04811.99
5.4.100.0070.03611.99
5.4.90.0060.04611.99
5.4.80.0080.04111.98
5.4.70.0090.03511.98
5.4.60.0050.03711.98
5.4.50.0040.03811.98
5.4.40.0040.04611.97
5.4.30.0070.03611.96
5.4.20.0070.03611.96
5.4.10.0100.03111.97
5.4.00.0050.03811.45
5.3.290.0100.05012.80
5.3.280.0100.03512.71
5.3.270.0090.03712.72
5.3.260.0050.04012.72
5.3.250.0070.03612.71
5.3.240.0070.03612.72
5.3.230.0080.03812.70
5.3.220.0080.04812.68
5.3.210.0150.04412.68
5.3.200.0080.03712.68
5.3.190.0100.03812.68
5.3.180.0040.04712.68
5.3.170.0070.03712.67
5.3.160.0080.03412.67
5.3.150.0040.03912.67
5.3.140.0050.03912.66
5.3.130.0110.04812.66
5.3.120.0050.04112.66
5.3.110.0070.03912.66
5.3.100.0040.03912.12
5.3.90.0060.04112.08
5.3.80.0070.03912.08
5.3.70.0080.04412.08
5.3.60.0070.04412.06
5.3.50.0110.04812.01
5.3.40.0080.05012.00
5.3.30.0100.04811.95
5.3.20.0100.04211.74
5.3.10.0090.04511.70
5.3.00.0060.05211.69
5.2.170.0050.0329.19
5.2.160.0050.0299.19
5.2.150.0030.0329.19
5.2.140.0060.0299.18
5.2.130.0040.0309.14
5.2.120.0080.0249.14
5.2.110.0010.0329.14
5.2.100.0060.0309.14
5.2.90.0030.0369.14
5.2.80.0030.0319.14
5.2.70.0050.0299.14
5.2.60.0070.0389.09
5.2.50.0050.0419.07
5.2.40.0040.0309.04
5.2.30.0070.0309.02
5.2.20.0010.0349.01
5.2.10.0040.0328.92
5.2.00.0050.0308.78
5.1.60.0040.0268.07
5.1.50.0070.0238.07
5.1.40.0130.0468.04
5.1.30.0080.0258.39
5.1.20.0010.0328.42
5.1.10.0050.0298.15
5.1.00.0040.0268.14
5.0.50.0040.0216.62
5.0.40.0040.0186.48
5.0.30.0020.0346.29
5.0.20.0030.0206.26
5.0.10.0050.0186.25
5.0.00.0020.0326.23
4.4.90.0040.0154.77
4.4.80.0020.0174.76
4.4.70.0060.0164.75
4.4.60.0030.0214.76
4.4.50.0040.0154.77
4.4.40.0060.0284.71
4.4.30.0030.0154.76
4.4.20.0010.0244.84
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0060.0184.66
4.3.90.0050.0154.63
4.3.80.0040.0264.59
4.3.70.0000.0174.63
4.3.60.0030.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0020.0173.29
4.3.20.0030.0163.27
4.3.10.0010.0163.24
4.3.00.0030.01315.11

preferences:
40.03 ms | 401 KiB | 5 Q