3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cluster($array) { $array = array_reverse($array); foreach($array as $element) { $newarray = isset($newarray) ? [$newarray] : [$newarray]; } return $newarray; } var_dump(cluster(['A', 'B', 'C', 'D','E','F','G','H','I']));

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)
8.3.60.0120.00918.28
8.3.50.0100.01021.14
8.3.40.0040.01918.84
8.3.30.0120.00319.00
8.3.20.0070.00020.21
8.3.10.0040.00423.65
8.3.00.0080.00019.23
8.2.180.0140.00416.63
8.2.170.0060.00922.96
8.2.160.0000.01320.53
8.2.150.0090.00024.18
8.2.140.0060.00924.66
8.2.130.0030.00626.16
8.2.120.0080.00022.06
8.2.110.0060.00322.25
8.2.100.0060.00617.75
8.2.90.0000.00819.29
8.2.80.0040.00417.97
8.2.70.0080.00417.63
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0030.00519.78
8.2.30.0070.00017.92
8.2.20.0020.00517.66
8.2.10.0080.00018.02
8.2.00.0080.00017.61
8.1.280.0120.00925.92
8.1.270.0030.00522.14
8.1.260.0130.00726.35
8.1.250.0000.00828.09
8.1.240.0060.00324.02
8.1.230.0080.00419.14
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0060.00317.22
8.1.180.0070.00018.10
8.1.170.0060.00318.50
8.1.160.0000.00722.05
8.1.150.0040.00418.88
8.1.140.0070.00017.38
8.1.130.0030.00317.79
8.1.120.0030.00317.45
8.1.110.0060.00317.46
8.1.100.0000.00717.34
8.1.90.0070.00017.34
8.1.80.0030.00617.46
8.1.70.0000.00717.41
8.1.60.0040.00417.45
8.1.50.0050.00517.43
8.1.40.0040.00417.36
8.1.30.0000.00817.62
8.1.20.0030.00617.62
8.1.10.0040.00417.43
8.1.00.0000.00817.52
8.0.300.0020.00518.77
8.0.290.0070.00016.63
8.0.280.0000.00718.43
8.0.270.0030.00317.15
8.0.260.0030.00317.25
8.0.250.0030.00317.02
8.0.240.0000.00717.01
8.0.230.0000.00717.03
8.0.220.0070.00016.99
8.0.210.0000.00716.94
8.0.200.0030.00316.93
8.0.190.0000.00817.04
8.0.180.0040.00417.00
8.0.170.0080.00017.01
8.0.160.0030.00317.00
8.0.150.0040.00416.91
8.0.140.0000.00716.95
8.0.130.0050.00013.32
8.0.120.0070.00016.81
8.0.110.0040.00416.88
8.0.100.0040.00417.00
8.0.90.0000.00716.86
8.0.80.0120.00916.92
8.0.70.0040.00417.01
8.0.60.0030.00517.00
8.0.50.0030.00516.85
8.0.30.0150.00916.98
8.0.20.0120.00917.40
8.0.10.0040.00417.09
8.0.00.0060.01516.78
7.4.330.0000.00615.20
7.4.320.0080.00016.60
7.4.300.0000.00616.52
7.4.290.0000.00716.51
7.4.280.0030.00716.33
7.4.270.0030.00316.54
7.4.260.0070.00016.52
7.4.250.0040.00416.46
7.4.240.0020.00516.49
7.4.230.0070.00016.59
7.4.220.0060.01216.53
7.4.210.0110.00316.58
7.4.200.0000.00716.38
7.4.160.0100.00516.64
7.4.150.0150.00417.40
7.4.140.0160.00517.86
7.4.130.0090.00916.51
7.4.120.0120.00616.52
7.4.110.0120.00616.61
7.4.100.0130.01016.46
7.4.90.0120.00616.49
7.4.80.0100.01019.39
7.4.70.0040.01216.54
7.4.60.0100.00616.46
7.4.50.0000.00716.39
7.4.40.0160.00716.25
7.4.30.0090.01216.52
7.4.00.0030.01015.11
7.3.330.0000.00613.21
7.3.320.0000.00513.37
7.3.310.0030.00416.24
7.3.300.0000.00716.36
7.3.290.0100.01016.37
7.3.280.0050.01016.31
7.3.270.0130.00617.40
7.3.260.0040.01416.51
7.3.250.0080.01016.40
7.3.240.0100.00716.50
7.3.230.0100.01516.43
7.3.210.0100.00516.36
7.3.200.0090.01519.39
7.3.190.0030.01516.38
7.3.180.0070.01116.29
7.3.170.0110.01216.56
7.3.160.0090.00616.43
7.2.330.0070.01016.51
7.2.320.0120.00916.41
7.2.310.0120.00616.72
7.2.300.0130.00316.71
7.2.290.0160.00316.46
7.2.00.0070.00719.29
7.1.100.0030.00818.14
7.1.70.0040.00416.91
7.1.60.0090.01619.32
7.1.50.0040.01916.50
7.1.00.0070.07022.33
7.0.200.0000.00816.81
7.0.140.0000.08022.19
7.0.60.0200.06319.78
7.0.50.0000.04317.88
7.0.40.0030.04320.18
7.0.30.0300.04720.33
7.0.20.0230.08020.27
7.0.10.0170.07020.23
7.0.00.0070.05720.05
5.6.280.0070.07021.08
5.6.210.0030.07720.53
5.6.200.0100.07718.19
5.6.190.0070.07320.42
5.6.180.0130.04020.61
5.6.170.0330.07720.54
5.6.160.0070.08720.71
5.6.150.0130.07318.19
5.6.140.0030.04018.24
5.6.130.0030.08718.23
5.6.120.0100.05020.85
5.6.110.0100.08021.11
5.6.100.0130.06720.99
5.6.90.0100.08021.09
5.6.80.0130.07320.38
5.5.350.0070.08720.34
5.5.340.0070.03717.95
5.5.330.0030.04320.40
5.5.320.0400.07320.35
5.5.310.0300.06720.35
5.5.300.0000.07317.95
5.5.290.0130.07317.99
5.5.280.0100.08020.88
5.5.270.0100.07720.73
5.5.260.0070.08320.75
5.5.250.0070.08020.79
5.5.240.0070.03720.14
5.4.450.0970.05319.61
5.4.440.0630.05719.33
5.4.430.0770.05719.16
5.4.420.0770.00019.42
5.4.410.0630.00019.41
5.4.400.0630.00019.12
5.4.390.0600.00019.03
5.4.380.0630.00019.16
5.4.370.0600.00019.03
5.4.360.0600.00019.04
5.4.350.0670.00019.02
5.4.340.0090.03812.02
5.4.320.0060.03512.50
5.4.310.0050.03712.50
5.4.300.0060.03612.50
5.4.290.0050.03712.50
5.4.280.0090.03212.40
5.4.270.0030.04712.39
5.4.260.0040.04412.40
5.4.250.0100.03612.39
5.4.240.0050.04112.40
5.4.230.0050.03812.39
5.4.220.0050.03612.39
5.4.210.0060.03512.39
5.4.200.0050.04012.39
5.4.190.0060.03512.39
5.4.180.0050.03712.38
5.4.170.0040.03812.40
5.4.160.0030.03912.39
5.4.150.0040.03812.38
5.4.140.0080.03512.07
5.4.130.0040.03712.06
5.4.120.0050.03512.01
5.4.110.0070.03612.01
5.4.100.0060.03412.02
5.4.90.0040.03812.02
5.4.80.0070.03512.01
5.4.70.0070.03312.01
5.4.60.0050.03412.01
5.4.50.0040.03612.01
5.4.40.0050.03512.00
5.4.30.0070.03311.99
5.4.20.0060.03411.99
5.4.10.0080.03112.00
5.4.00.0060.04011.48
5.3.290.0040.04112.80
5.3.280.0090.03412.71
5.3.270.0070.03912.73
5.3.260.0100.03612.72
5.3.250.0070.03612.72
5.3.240.0040.03712.72
5.3.230.0070.04312.71
5.3.220.0060.04112.68
5.3.210.0030.04012.68
5.3.200.0090.03512.68
5.3.190.0040.03812.68
5.3.180.0090.03712.68
5.3.170.0030.03812.67
5.3.160.0060.03512.67
5.3.150.0060.03912.67
5.3.140.0100.03412.66
5.3.130.0050.04212.66
5.3.120.0070.03512.66
5.3.110.0050.04312.66
5.3.100.0040.03712.13
5.3.90.0060.04012.11
5.3.80.0030.03712.10
5.3.70.0040.03812.11
5.3.60.0050.03712.09
5.3.50.0070.03312.02
5.3.40.0070.03312.02
5.3.30.0070.03611.98
5.3.20.0070.03611.77
5.3.10.0060.04511.74
5.3.00.0040.03911.72
5.2.170.0030.0319.22
5.2.160.0070.0269.21
5.2.150.0010.0339.22
5.2.140.0050.0299.21
5.2.130.0030.0309.17
5.2.120.0040.0289.18
5.2.110.0050.0299.18
5.2.100.0050.0289.18
5.2.90.0050.0289.18
5.2.80.0080.0269.18
5.2.70.0050.0299.17
5.2.60.0050.0299.13
5.2.50.0030.0319.10
5.2.40.0070.0279.07
5.2.30.0030.0309.05
5.2.20.0080.0299.04
5.2.10.0050.0308.95
5.2.00.0040.0368.80
5.1.60.0050.0238.10
5.1.50.0040.0298.09
5.1.40.0060.0218.07
5.1.30.0010.0278.43
5.1.20.0040.0308.44
5.1.10.0070.0268.17
5.1.00.0010.0278.17
5.0.50.0040.0196.64
5.0.40.0060.0166.51
5.0.30.0030.0306.32
5.0.20.0020.0276.29
5.0.10.0040.0206.26
5.0.00.0040.0296.25
4.4.90.0030.0144.78
4.4.80.0020.0154.75
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0010.0164.77
4.4.40.0010.0264.71
4.4.30.0030.0204.76
4.4.20.0050.0164.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0020.0164.66
4.3.100.0020.0154.66
4.3.90.0010.0164.64
4.3.80.0040.0224.58
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0030.0144.63
4.3.40.0010.0254.54
4.3.30.0020.0153.30
4.3.20.0010.0163.27
4.3.10.0030.0143.25
4.3.00.0130.0207.21

preferences:
50.62 ms | 401 KiB | 5 Q