3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); unset($foo['bar']['baz']);

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)
8.3.60.0070.01418.56
8.3.50.0090.00616.63
8.3.40.0170.00318.84
8.3.30.0150.00318.96
8.3.20.0040.00420.34
8.3.10.0070.00023.51
8.3.00.0060.00319.13
8.2.180.0160.00318.17
8.2.170.0110.00422.96
8.2.160.0090.00620.39
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00322.21
8.2.110.0100.00022.12
8.2.100.0080.00317.75
8.2.90.0000.00719.05
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0030.00519.76
8.2.30.0040.00417.93
8.2.20.0000.00717.68
8.2.10.0020.00517.86
8.2.00.0040.00417.61
8.1.280.0140.00725.92
8.1.270.0090.00023.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00624.02
8.1.230.0040.00719.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.10
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0090.00018.59
8.1.160.0040.00421.94
8.1.150.0070.00018.88
8.1.140.0040.00417.38
8.1.130.0070.00017.77
8.1.120.0000.00717.39
8.1.110.0050.00217.46
8.1.100.0000.00717.38
8.1.90.0020.00517.38
8.1.80.0030.00317.29
8.1.70.0060.00017.37
8.1.60.0060.00317.41
8.1.50.0030.00517.44
8.1.40.0070.00017.33
8.1.30.0050.00317.59
8.1.20.0040.00417.41
8.1.10.0040.00417.50
8.1.00.0030.00517.32
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.30
8.0.270.0030.00317.19
8.0.260.0030.00317.19
8.0.250.0030.00316.72
8.0.240.0050.00216.90
8.0.230.0040.00416.94
8.0.220.0000.00716.80
8.0.210.0050.00216.70
8.0.200.0060.00016.77
8.0.190.0050.00316.93
8.0.180.0080.00016.80
8.0.170.0040.00416.84
8.0.160.0000.00716.89
8.0.150.0070.00016.89
8.0.140.0070.00416.65
8.0.130.0000.00613.27
8.0.120.0040.00416.82
8.0.110.0050.00216.83
8.0.100.0050.00316.81
8.0.90.0080.00016.65
8.0.80.0090.01216.80
8.0.70.0040.00416.84
8.0.60.0000.00716.89
8.0.50.0000.00816.75
8.0.30.0100.01417.08
8.0.20.0110.00717.40
8.0.10.0000.00717.00
8.0.00.0050.01216.80
7.4.330.0050.00015.02
7.4.320.0030.00316.63
7.4.300.0060.00016.59
7.4.290.0030.00316.54
7.4.280.0050.00216.50
7.4.270.0000.00716.63
7.4.260.0020.00516.48
7.4.250.0000.00716.35
7.4.240.0030.00416.54
7.4.230.0000.00716.57
7.4.220.0070.01016.54
7.4.210.0070.01316.53
7.4.200.0040.00416.40
7.4.160.0060.01016.57
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0060.01016.47
7.4.120.0120.00516.53
7.4.110.0060.01616.29
7.4.100.0060.01216.29
7.4.90.0030.01416.42
7.4.80.0110.00519.39
7.4.70.0120.00916.54
7.4.60.0090.00916.53
7.4.50.0050.00316.39
7.4.40.0040.01416.50
7.4.30.0060.01216.60
7.4.00.0040.01214.87
7.3.330.0050.00013.02
7.3.320.0080.00013.08
7.3.310.0040.00416.20
7.3.300.0000.00716.07
7.3.290.0100.00416.21
7.3.280.0070.00916.27
7.3.270.0150.00417.40
7.3.260.0030.01316.20
7.3.250.0100.00716.50
7.3.240.0070.01116.24
7.3.230.0060.01316.39
7.3.210.0110.00716.36
7.3.200.0090.00619.39
7.3.190.0100.00616.15
7.3.180.0080.00816.29
7.3.170.0120.00316.27
7.3.160.0000.02116.54
7.3.120.0100.01014.60
7.3.110.0040.01114.47
7.3.100.0000.01214.45
7.3.90.0030.00714.59
7.3.80.0090.00614.71
7.3.70.0030.00714.79
7.3.60.0090.00014.75
7.3.50.0060.00614.79
7.3.40.0000.01414.74
7.3.30.0070.00714.83
7.3.20.0040.01116.66
7.3.10.0120.00416.43
7.3.00.0090.00616.68
7.2.330.0060.01216.63
7.2.320.0030.01416.60
7.2.310.0120.00416.30
7.2.300.0100.01016.50
7.2.290.0140.00516.64
7.2.250.0060.01215.02
7.2.240.0100.00714.91
7.2.230.0100.00314.56
7.2.220.0040.00714.80
7.2.210.0050.00514.62
7.2.200.0100.00714.54
7.2.190.0070.00414.87
7.2.180.0030.00914.77
7.2.170.0060.01214.96
7.2.80.0000.01416.54
7.2.60.0090.00616.70
7.2.00.0030.00919.47
7.1.330.0110.00415.46
7.1.320.0040.01215.84
7.1.310.0060.00615.62
7.1.300.0030.00615.70
7.1.290.0080.01115.73
7.1.280.0040.01115.82
7.1.270.0090.00615.41
7.1.260.0030.00615.79
7.1.200.0070.00715.73
7.1.100.0040.00818.29
7.1.70.0050.00316.88
7.1.60.0140.01019.19
7.1.50.0180.00416.46
7.1.00.0100.07022.54
7.0.200.0050.00216.63
7.0.140.0000.07721.97
7.0.60.0130.07320.06
7.0.50.0170.07017.73
7.0.40.0030.08020.40
7.0.30.0230.06020.13
7.0.20.0270.08720.04
7.0.10.0100.08720.00
7.0.00.0000.04720.19
5.6.280.0100.06720.90
5.6.210.0070.04320.55
5.6.200.0030.08718.16
5.6.190.0130.06720.62
5.6.180.0270.08320.35
5.6.170.0300.08720.61
5.6.160.0130.07020.41
5.6.150.0130.06018.18
5.6.140.0130.05718.14
5.6.130.0030.07318.16
5.6.120.0100.08021.14
5.6.110.0030.04021.03
5.6.100.0070.08021.00
5.6.90.0170.07320.99
5.6.80.0030.06020.52
5.6.70.4400.04020.40
5.5.350.0200.08020.27
5.5.340.0030.03718.02
5.5.330.0070.04720.23
5.5.320.0330.05720.26
5.5.310.0270.05720.32
5.5.300.0070.03317.96
5.5.290.0100.08318.07
5.5.280.0030.04020.89
5.5.270.0070.06720.94
5.5.260.0000.04320.86
5.5.250.0070.06720.68
5.5.240.0430.06020.22
5.4.450.0930.06319.32
5.4.440.0800.05019.54
5.4.430.0800.06019.13
5.4.420.0830.05319.64
5.4.410.0830.06319.39
5.4.400.0770.05318.78
5.4.390.0700.05019.12
5.4.380.0870.07019.16
5.4.370.0770.05018.91
5.4.360.0700.05319.19
5.4.350.0870.07019.19
5.4.340.0060.03711.97
5.4.320.0070.03512.45
5.4.310.0080.04212.45
5.4.300.0050.03612.45
5.4.290.0070.03912.45
5.4.280.0050.03612.34
5.4.270.0070.03712.35
5.4.260.0060.03712.34
5.4.250.0070.04312.34
5.4.240.0130.02812.34
5.4.230.0080.03612.34
5.4.220.0060.03612.34
5.4.210.0030.03912.34
5.4.200.0040.03912.34
5.4.190.0050.03712.34
5.4.180.0050.03712.34
5.4.170.0050.03612.34
5.4.160.0040.03812.34
5.4.150.0040.03812.34
5.4.140.0070.03612.02
5.4.130.0060.03712.01
5.4.120.0050.03711.96
5.4.110.0060.03511.96
5.4.100.0050.03611.96
5.4.90.0070.03611.96
5.4.80.0090.03411.96
5.4.70.0190.02211.96
5.4.60.0090.03211.96
5.4.50.0060.03511.96
5.4.40.0140.02611.95
5.4.30.0080.04111.95
5.4.20.0070.04611.95
5.4.10.0070.03411.94
5.4.00.0030.04111.44
5.3.290.0100.04512.80
5.3.280.0110.03212.71
5.3.270.0060.03912.73
5.3.260.0050.04012.72
5.3.250.0050.04012.72
5.3.240.0080.03612.72
5.3.230.0050.03912.71
5.3.220.0070.03612.68
5.3.210.0070.03912.68
5.3.200.0070.03612.68
5.3.190.0060.03712.68
5.3.180.0050.03812.67
5.3.170.0070.03612.66
5.3.160.0040.03912.67
5.3.150.0060.03712.67
5.3.140.0070.03512.66
5.3.130.0110.03812.66
5.3.120.0080.04112.66
5.3.110.0080.04112.65
5.3.100.0100.03212.12
5.3.90.0090.03512.09
5.3.80.0080.03812.08
5.3.70.0060.03612.08
5.3.60.0040.03812.06
5.3.50.0040.03812.00
5.3.40.0090.03312.00
5.3.30.0070.03411.94
5.3.20.0080.03311.71
5.3.10.0070.03411.69
5.3.00.0030.03911.67
5.2.170.0050.0309.17
5.2.160.0080.0389.17
5.2.150.0040.0359.18
5.2.140.0030.0329.17
5.2.130.0050.0299.14
5.2.120.0040.0369.13
5.2.110.0080.0379.14
5.2.100.0080.0299.14
5.2.90.0050.0309.14
5.2.80.0030.0359.13
5.2.70.0080.0279.13
5.2.60.0040.0329.09
5.2.50.0050.0299.05
5.2.40.0060.0289.04
5.2.30.0050.0329.00
5.2.20.0040.0309.00
5.2.10.0040.0308.92
5.2.00.0060.0288.77
5.1.60.0040.0248.06
5.1.50.0060.0238.05
5.1.40.0030.0258.04
5.1.30.0050.0258.39
5.1.20.0050.0268.41
5.1.10.0030.0268.13
5.1.00.0060.0268.13
5.0.50.0020.0216.61
5.0.40.0020.0206.47
5.0.30.0010.0336.29
5.0.20.0030.0196.25
5.0.10.0060.0166.23
5.0.00.0010.0336.23
4.4.90.0040.0134.78
4.4.80.0040.0184.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0154.76
4.4.20.0020.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0010.0164.67
4.3.90.0020.0144.63
4.3.80.0030.0234.58
4.3.70.0020.0144.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0040.0143.27
4.3.20.0020.0163.25
4.3.10.0020.0163.21
4.3.00.0100.0276.86

preferences:
64.83 ms | 400 KiB | 5 Q