3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cluster($array) { $array = array_reverse($array); foreach($array as $element) { $newarray = [$element=>$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)
8.3.60.0110.00718.43
8.3.50.0050.01521.04
8.3.40.0030.01818.54
8.3.30.0150.00018.92
8.3.20.0080.00020.33
8.3.10.0040.00423.46
8.3.00.0030.00619.38
8.2.180.0130.00316.63
8.2.170.0040.01122.96
8.2.160.0100.00720.44
8.2.150.0140.00024.18
8.2.140.0070.00724.66
8.2.130.0040.00726.16
8.2.120.0040.00422.20
8.2.110.0090.00920.38
8.2.100.0070.00418.03
8.2.90.0040.00419.36
8.2.80.0000.00817.97
8.2.70.0100.00317.38
8.2.60.0050.00317.90
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0070.00018.12
8.2.20.0080.00017.71
8.2.10.0040.00418.11
8.2.00.0070.00017.79
8.1.280.0110.01125.92
8.1.270.0090.00022.04
8.1.260.0080.00026.35
8.1.250.0110.00428.09
8.1.240.0030.00622.19
8.1.230.0110.00020.89
8.1.220.0000.00817.79
8.1.210.0070.00318.77
8.1.200.0000.00817.35
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0000.00722.07
8.1.150.0020.00518.94
8.1.140.0070.00017.47
8.1.130.0030.00317.82
8.1.120.0000.00717.39
8.1.110.0050.00317.48
8.1.100.0050.00217.45
8.1.90.0000.00717.34
8.1.80.0000.00817.51
8.1.70.0030.00517.47
8.1.60.0030.00617.47
8.1.50.0040.00417.42
8.1.40.0000.00817.47
8.1.30.0000.00817.67
8.1.20.0000.00817.54
8.1.10.0000.00817.37
8.1.00.0060.00317.29
8.0.300.0030.00418.77
8.0.290.0060.00316.60
8.0.280.0040.00418.34
8.0.270.0000.00717.18
8.0.260.0000.00617.23
8.0.250.0030.00317.01
8.0.240.0040.00417.01
8.0.230.0030.00317.00
8.0.220.0030.00316.93
8.0.210.0000.00716.96
8.0.200.0070.00017.03
8.0.190.0000.00817.07
8.0.180.0050.00316.94
8.0.170.0000.00816.88
8.0.160.0000.00716.86
8.0.150.0040.00316.91
8.0.140.0040.00416.79
8.0.130.0060.00013.34
8.0.120.0040.00416.91
8.0.110.0060.00316.91
8.0.100.0000.00816.99
8.0.90.0070.00017.05
8.0.80.0060.01616.99
8.0.70.0040.00416.85
8.0.60.0050.00216.83
8.0.50.0040.00417.06
8.0.30.0080.01117.17
8.0.20.0150.00617.40
8.0.10.0030.00317.06
8.0.00.0090.01216.72
7.4.330.0030.00315.07
7.4.320.0000.00616.57
7.4.300.0000.00616.51
7.4.290.0030.00316.47
7.4.280.0030.00616.55
7.4.270.0030.00316.48
7.4.260.0030.00316.43
7.4.250.0000.00716.51
7.4.240.0060.00116.55
7.4.230.0080.00016.48
7.4.220.0130.00716.61
7.4.210.0030.01316.68
7.4.200.0030.00316.60
7.4.160.0090.00616.63
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0030.01816.61
7.4.120.0040.01416.56
7.4.110.0140.00316.66
7.4.100.0100.00716.42
7.4.90.0090.00916.37
7.4.80.0160.00819.39
7.4.70.0130.00316.56
7.4.60.0030.01216.47
7.4.50.0070.00016.49
7.4.40.0110.00616.49
7.4.30.0030.01516.38
7.4.00.0060.00614.96
7.3.330.0000.00513.29
7.3.320.0050.00013.38
7.3.310.0000.00716.28
7.3.300.0070.00016.43
7.3.290.0090.00616.44
7.3.280.0070.00816.45
7.3.270.0130.00717.40
7.3.260.0170.00016.40
7.3.250.0120.00816.50
7.3.240.0060.01216.36
7.3.230.0060.01616.41
7.3.210.0150.00816.49
7.3.200.0070.01119.39
7.3.190.0070.01416.48
7.3.180.0090.00616.28
7.3.170.0150.00916.51
7.3.160.0060.00916.36
7.3.10.0300.00716.60
7.3.00.0290.01016.89
7.2.330.0150.00916.44
7.2.320.0070.01016.48
7.2.310.0070.01016.72
7.2.300.0030.01216.74
7.2.290.0040.01516.50
7.2.130.0160.01416.87
7.2.120.0030.01416.65
7.2.110.0050.01816.80
7.2.100.0130.01316.69
7.2.90.0240.00316.49
7.2.80.0230.01016.62
7.2.70.0440.00617.02
7.2.60.0310.00417.07
7.2.50.0150.00716.75
7.2.40.0240.00716.83
7.2.30.0140.00716.57
7.2.20.0060.01017.04
7.2.10.0120.00616.54
7.2.00.0070.01018.24
7.1.250.0190.00915.86
7.1.100.0070.00718.48
7.1.70.0000.00717.28
7.1.60.0070.00417.12
7.1.50.0060.01616.78
7.1.00.0100.07022.44
7.0.200.0100.00716.94
7.0.140.0000.07721.92
7.0.60.0030.08719.89
7.0.50.0000.04317.72
7.0.40.0170.07020.27
7.0.30.0230.04720.08
7.0.20.0200.06320.28
7.0.10.0030.08020.30
7.0.00.0030.04720.23
5.6.280.0000.07720.86
5.6.210.0130.07720.52
5.6.200.0100.04718.29
5.6.190.0100.07020.53
5.6.180.0130.04020.48
5.6.170.0430.06720.50
5.6.160.0030.07720.54
5.6.150.0130.04018.19
5.6.140.0030.04018.15
5.6.130.0100.08018.15
5.6.120.0100.08020.88
5.6.110.0130.07721.01
5.6.100.0030.09020.98
5.6.90.0070.08321.00
5.6.80.0100.06320.39
5.5.350.0100.08020.47
5.5.340.0030.04017.93
5.5.330.0100.07320.37
5.5.320.0330.07320.30
5.5.310.0300.04320.36
5.5.300.0000.08718.04
5.5.290.0100.08018.07
5.5.280.0130.04020.76
5.5.270.0130.06020.86
5.5.260.0100.06020.98
5.5.250.0070.05320.68
5.5.240.0130.03320.16
5.4.450.0200.04719.61
5.4.440.0800.05319.58
5.4.430.0370.05319.16
5.4.420.0700.00019.53
5.4.410.0630.00019.43
5.4.400.0630.00019.34
5.4.390.0800.00019.06
5.4.380.0630.00019.13
5.4.370.0630.00019.16
5.4.360.0600.00018.98
5.4.350.0630.00019.13
5.4.340.0070.04012.02
5.4.320.0080.04612.50
5.4.310.0070.03712.50
5.4.300.0040.04412.51
5.4.290.0090.03512.50
5.4.280.0070.03412.39
5.4.270.0070.03512.39
5.4.260.0080.03712.39
5.4.250.0080.03412.40
5.4.240.0090.03212.40
5.4.230.0050.04212.39
5.4.220.0100.03212.39
5.4.210.0050.04112.39
5.4.200.0100.03412.39
5.4.190.0050.03612.39
5.4.180.0050.03612.39
5.4.170.0090.04212.39
5.4.160.0080.03812.39
5.4.150.0030.04012.38
5.4.140.0100.03312.07
5.4.130.0090.03812.05
5.4.120.0060.03612.02
5.4.110.0050.03612.01
5.4.100.0060.04012.01
5.4.90.0030.04012.02
5.4.80.0100.04312.02
5.4.70.0040.03612.01
5.4.60.0060.03512.01
5.4.50.0070.03412.01
5.4.40.0050.03512.00
5.4.30.0060.03612.00
5.4.20.0040.03911.99
5.4.10.0050.03611.99
5.4.00.0050.04611.48
5.3.290.0060.04112.80
5.3.280.0040.04012.71
5.3.270.0060.03812.73
5.3.260.0070.03712.72
5.3.250.0060.03612.72
5.3.240.0050.03812.72
5.3.230.0060.04012.71
5.3.220.0060.03712.68
5.3.210.0040.04012.68
5.3.200.0080.03812.68
5.3.190.0040.03912.68
5.3.180.0040.03812.68
5.3.170.0050.03712.67
5.3.160.0070.03712.67
5.3.150.0040.04012.67
5.3.140.0040.03812.66
5.3.130.0090.03512.66
5.3.120.0060.04812.65
5.3.110.0090.04512.65
5.3.100.0080.03412.13
5.3.90.0080.04012.11
5.3.80.0060.03612.10
5.3.70.0050.03712.10
5.3.60.0070.03612.09
5.3.50.0070.03712.02
5.3.40.0060.03812.02
5.3.30.0080.04911.98
5.3.20.0040.03711.77
5.3.10.0040.04411.74
5.3.00.0050.03611.72
5.2.170.0070.0299.21
5.2.160.0030.0409.22
5.2.150.0060.0339.21
5.2.140.0050.0309.21
5.2.130.0050.0289.17
5.2.120.0070.0259.17
5.2.110.0060.0279.18
5.2.100.0050.0279.18
5.2.90.0040.0299.18
5.2.80.0070.0319.17
5.2.70.0050.0349.17
5.2.60.0040.0309.12
5.2.50.0060.0289.10
5.2.40.0050.0299.07
5.2.30.0080.0279.05
5.2.20.0050.0299.05
5.2.10.0030.0298.95
5.2.00.0030.0298.81
5.1.60.0060.0218.09
5.1.50.0080.0258.09
5.1.40.0070.0328.07
5.1.30.0070.0308.42
5.1.20.0070.0238.43
5.1.10.0040.0258.16
5.1.00.0030.0268.17
5.0.50.0030.0256.64
5.0.40.0040.0216.51
5.0.30.0050.0366.31
5.0.20.0030.0196.28
5.0.10.0020.0206.26
5.0.00.0030.0306.25
4.4.90.0040.0144.78
4.4.80.0030.0214.75
4.4.70.0070.0174.75
4.4.60.0020.0154.76
4.4.50.0030.0144.77
4.4.40.0020.0254.71
4.4.30.0020.0164.75
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0040.0354.76
4.3.110.0040.0194.66
4.3.100.0030.0144.66
4.3.90.0040.0134.64
4.3.80.0010.0254.58
4.3.70.0020.0174.63
4.3.60.0030.0154.63
4.3.50.0070.0154.62
4.3.40.0010.0284.54
4.3.30.0020.0223.30
4.3.20.0020.0193.27
4.3.10.0040.0143.25
4.3.00.0130.0277.21

preferences:
46.45 ms | 401 KiB | 5 Q