3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{const A = true;const B = false;}$a = array(true => true,false => false,A::A => A::A,A::B => A::B,);var_dump($a, array_key_exists(true, $a), array_key_exists(A::A, $a));

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)
8.3.60.0110.00418.43
8.3.50.0260.00521.91
8.3.40.0040.01218.76
8.3.30.0110.00319.08
8.3.20.0050.00220.21
8.3.10.0040.00421.84
8.3.00.0040.00417.76
8.2.180.0100.01016.75
8.2.170.0110.00422.96
8.2.160.0100.00320.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00021.01
8.2.110.0030.00620.46
8.2.100.0060.00617.85
8.2.90.0040.00418.24
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0000.00818.03
8.2.50.0050.00318.07
8.2.40.0070.00318.03
8.2.30.0000.00817.99
8.2.20.0080.00017.59
8.2.10.0040.00417.98
8.2.00.0040.00417.61
8.1.280.0070.01425.92
8.1.270.0080.00022.14
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0000.00922.06
8.1.230.0060.00620.73
8.1.220.0040.00417.74
8.1.210.0040.00418.93
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00918.50
8.1.160.0000.00721.95
8.1.150.0000.00718.80
8.1.140.0000.01017.34
8.1.130.0000.00717.87
8.1.120.0040.00417.42
8.1.110.0040.00417.34
8.1.100.0040.00417.29
8.1.90.0060.00617.39
8.1.80.0030.00517.29
8.1.70.0030.00317.28
8.1.60.0030.00917.53
8.1.50.0080.00017.47
8.1.40.0000.00817.49
8.1.30.0060.00317.57
8.1.20.0040.00417.61
8.1.10.0070.00017.54
8.1.00.0040.00417.38
8.0.300.0030.00520.02
8.0.290.0050.00316.58
8.0.280.0030.00318.44
8.0.270.0070.00017.18
8.0.260.0040.00417.23
8.0.250.0030.00316.81
8.0.240.0000.00716.80
8.0.230.0050.00316.85
8.0.220.0070.00016.85
8.0.210.0030.00316.82
8.0.200.0000.00616.89
8.0.190.0000.00716.78
8.0.180.0070.00016.80
8.0.170.0050.00316.87
8.0.160.0040.00416.78
8.0.150.0040.00416.89
8.0.140.0020.00516.83
8.0.130.0000.00513.21
8.0.120.0050.00316.73
8.0.110.0000.00716.82
8.0.100.0070.00016.82
8.0.90.0030.00316.68
8.0.80.0070.01416.88
8.0.70.0030.00516.66
8.0.60.0040.00416.91
8.0.50.0070.00016.87
8.0.30.0090.01016.88
8.0.20.0080.01317.40
8.0.10.0000.00716.97
8.0.00.0070.01316.84
7.4.330.0050.00015.00
7.4.320.0030.00316.43
7.4.300.0000.00716.65
7.4.290.0000.00716.41
7.4.280.0040.00416.60
7.4.270.0030.00516.53
7.4.260.0040.00716.58
7.4.250.0000.00716.36
7.4.240.0040.00416.48
7.4.230.0040.00416.71
7.4.220.0130.01016.52
7.4.210.0070.00716.50
7.4.200.0030.00316.39
7.4.160.0120.00316.30
7.4.150.0030.01417.40
7.4.140.0050.01117.86
7.4.130.0110.00516.54
7.4.120.0110.00716.59
7.4.110.0190.00016.44
7.4.100.0060.01516.58
7.4.90.0100.00716.63
7.4.80.0060.01519.39
7.4.70.0060.00916.62
7.4.60.0060.01016.47
7.4.50.0040.00416.24
7.4.40.0130.00316.37
7.4.30.0040.01316.40
7.4.00.0070.01014.85
7.3.330.0000.00513.09
7.3.320.0020.00213.24
7.3.310.0030.00316.23
7.3.300.0000.00716.11
7.3.290.0140.00516.23
7.3.280.0110.00416.22
7.3.270.0030.01617.40
7.3.260.0080.00816.22
7.3.250.0090.01116.29
7.3.240.0150.00416.16
7.3.230.0100.00716.39
7.3.210.0030.01316.17
7.3.200.0070.01119.39
7.3.190.0120.00916.25
7.3.180.0060.01316.23
7.3.170.0090.01116.27
7.3.160.0060.00916.35
7.3.120.0040.01114.51
7.3.10.0110.00416.53
7.3.00.0060.00916.53
7.2.330.0030.02016.21
7.2.320.0120.00616.49
7.2.310.0120.00516.46
7.2.300.0060.00916.41
7.2.290.0140.00316.65
7.2.130.0070.01016.79
7.2.120.0110.00416.85
7.2.110.0110.00416.48
7.2.100.0030.01616.70
7.2.90.0160.00916.70
7.2.80.0060.00616.69
7.2.70.0110.00416.60
7.2.60.0060.00616.89
7.2.50.0130.00316.67
7.2.40.0000.01216.59
7.2.30.0070.00716.89
7.2.20.0030.01316.77
7.2.10.0060.00816.53
7.2.00.0110.00416.83
7.1.250.0100.00315.79
7.1.70.0000.01017.13
7.1.60.0110.01419.11
7.1.50.0030.02216.95
7.1.00.0000.08022.33
7.0.200.0030.00316.69
7.0.140.0070.07022.09
7.0.60.0030.08319.86
7.0.50.0030.08017.86
7.0.40.0030.04720.40
7.0.30.0530.06020.24
7.0.20.0200.04020.12
7.0.10.0070.05320.24
7.0.00.0070.08720.12
5.6.280.0030.07321.02
5.6.210.0030.08020.76
5.6.200.0000.05318.18
5.6.190.0030.07720.63
5.6.180.0230.04020.50
5.6.170.0200.07320.60
5.6.160.0030.04720.56
5.6.150.0070.08018.18
5.6.140.0030.04718.22
5.6.130.0070.05318.14
5.6.120.0100.03721.00
5.6.110.0170.07721.13
5.6.100.0130.08020.95
5.6.90.0070.07321.13
5.6.80.0070.08020.35
5.5.350.0400.05720.41
5.5.340.0000.04717.99
5.5.330.0070.04320.57
5.5.320.0270.08320.30
5.5.310.0400.07320.50
5.5.300.0070.03718.03
5.5.290.0000.04317.96
5.5.280.0030.05720.77
5.5.270.0000.09020.79
5.5.260.0170.07320.75
5.5.250.0100.03720.46
5.5.240.0200.05720.26
5.4.450.0130.04719.55
5.4.440.0370.05019.28
5.4.430.0370.04719.41
5.4.420.0300.03019.53
5.4.410.0500.04719.20
5.4.400.0330.03019.09
5.4.390.0370.03719.24
5.4.380.0430.05018.70
5.4.370.0300.05718.66
5.4.360.0270.05718.66
5.4.350.0330.05018.74
5.4.340.0370.04718.72
5.4.320.0040.03812.50
5.4.310.0080.04612.49
5.4.300.0090.04212.49
5.4.290.0070.04012.50
5.4.280.0060.03612.39
5.4.270.0030.04012.39
5.4.260.0060.03912.39
5.4.250.0080.03812.39
5.4.240.0080.03512.39
5.4.230.0070.03712.39
5.4.220.0050.04512.38
5.4.210.0050.03912.38
5.4.200.0060.04212.38
5.4.190.0070.04412.38
5.4.180.0050.04012.38
5.4.170.0060.03612.39
5.4.160.0040.04112.38
5.4.150.0070.03412.38
5.4.140.0070.03612.07
5.4.130.0060.03912.06
5.4.120.0060.03512.02
5.4.110.0040.03912.01
5.4.100.0040.03712.00
5.4.90.0100.03312.01
5.4.80.0030.04012.01
5.4.70.0040.03612.00
5.4.60.0050.03512.00
5.4.50.0040.03712.01
5.4.40.0070.03311.99
5.4.30.0050.03611.98
5.4.20.0090.03111.99
5.4.10.0050.03611.99
5.4.00.0080.03411.47
5.3.290.0080.04012.80
5.3.280.0040.03912.71
5.3.270.0030.04212.73
5.3.260.0050.04012.72
5.3.250.0070.04012.71
5.3.240.0050.03812.72
5.3.230.0120.03612.71
5.3.220.0050.03812.68
5.3.210.0130.04312.68
5.3.200.0120.03012.68
5.3.190.0040.04012.67
5.3.180.0070.04012.67
5.3.170.0070.03512.66
5.3.160.0100.03212.67
5.3.150.0070.03612.67
5.3.140.0040.03912.66
5.3.130.0060.03812.66
5.3.120.0080.03612.66
5.3.110.0060.03712.66
5.3.100.0020.04012.12
5.3.90.0060.04312.09
5.3.80.0100.03512.09
5.3.70.0100.03312.09
5.3.60.0070.03612.07
5.3.50.0050.03712.02
5.3.40.0050.03712.02
5.3.30.0100.03611.98
5.3.20.0090.03611.75
5.3.10.0060.03511.72
5.3.00.0070.03511.71
5.2.170.0040.0339.21
5.2.160.0080.0319.21
5.2.150.0060.0299.21
5.2.140.0040.0349.21
5.2.130.0090.0329.17
5.2.120.0040.0299.17
5.2.110.0060.0279.18
5.2.100.0050.0309.17
5.2.90.0060.0309.17
5.2.80.0020.0329.17
5.2.70.0030.0319.17
5.2.60.0050.0289.12
5.2.50.0050.0309.09
5.2.40.0070.0349.06
5.2.30.0030.0329.04
5.2.20.0040.0319.03
5.2.10.0050.0338.94
5.2.00.0020.0318.79
5.1.60.0060.0278.08
5.1.50.0010.0298.07
5.1.40.0050.0238.06
5.1.30.0050.0258.41
5.1.20.0040.0328.43
5.1.10.0040.0268.15
5.1.00.0030.0278.16
5.0.50.0020.0226.64
5.0.40.0030.0196.49
5.0.30.0050.0296.31
5.0.20.0020.0216.27
5.0.10.0040.0196.25
5.0.00.0020.0316.24
4.4.90.0050.0184.78
4.4.80.0010.0174.76
4.4.70.0020.0164.75
4.4.60.0010.0174.75
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0020.0224.76
4.4.20.0000.0184.85
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0040.0144.62
4.3.40.0020.0294.53
4.3.30.0050.0193.30
4.3.20.0020.0213.28
4.3.10.0020.0183.24
4.3.00.0130.01315.29

preferences:
55.47 ms | 400 KiB | 5 Q