3v4l.org

run code in 300+ PHP versions simultaneously
<?php const A = 0; $constant = 'A'; if (defined($constant) && ! is_scalar(constant($constant)) && ! is_resource(constant($constant)) && constant($constant) !== null) { echo "Yes, I am non-scalar and non-resource constant!\n"; }

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)
8.3.60.0140.00316.36
8.3.50.0070.01319.94
8.3.40.0060.00918.85
8.3.30.0120.00318.95
8.3.20.0040.00420.29
8.3.10.0040.00421.63
8.3.00.0030.00517.78
8.2.180.0060.00918.29
8.2.170.0120.00622.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0110.00426.16
8.2.120.0060.00321.01
8.2.110.0090.00022.20
8.2.100.0070.00719.94
8.2.90.0080.00019.27
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0030.00518.22
8.2.30.0050.00318.01
8.2.20.0080.00017.73
8.2.10.0040.00418.11
8.2.00.0000.00717.68
8.1.270.0050.00324.04
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00318.77
8.1.230.0060.00619.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0050.00318.66
8.1.160.0050.00322.01
8.1.150.0070.00018.87
8.1.140.0090.00017.41
8.1.130.0070.00017.82
8.1.120.0040.00417.47
8.1.110.0040.00417.29
8.1.100.0070.00017.31
8.1.90.0000.00717.36
8.1.80.0000.00717.36
8.1.70.0000.00817.42
8.1.60.0000.00917.61
8.1.50.0030.00517.48
8.1.40.0030.00617.42
8.1.30.0000.00817.51
8.1.20.0000.00917.60
8.1.10.0050.00317.28
8.1.00.0050.00317.38
8.0.300.0030.00518.77
8.0.290.0000.00816.75
8.0.280.0030.00318.34
8.0.270.0030.00317.21
8.0.260.0030.00317.33
8.0.250.0030.00316.99
8.0.240.0040.00416.83
8.0.230.0000.00716.96
8.0.220.0000.00616.93
8.0.210.0070.00016.88
8.0.200.0060.00016.88
8.0.190.0070.00016.82
8.0.180.0000.00816.87
8.0.170.0040.00416.79
8.0.160.0100.00016.80
8.0.150.0070.00016.86
8.0.140.0000.00916.90
8.0.130.0000.00513.36
8.0.120.0040.00416.83
8.0.110.0030.00416.86
8.0.100.0040.00416.89
8.0.90.0050.00216.73
8.0.80.0090.00616.88
8.0.70.0000.00816.95
8.0.60.0030.00516.79
8.0.50.0000.00716.99
8.0.30.0110.00716.97
8.0.20.0200.01417.40
8.0.10.0070.00016.96
8.0.00.0090.00916.67
7.4.330.0020.00215.05
7.4.320.0030.00316.55
7.4.300.0000.00616.59
7.4.290.0070.00016.41
7.4.280.0040.00416.46
7.4.270.0070.00016.49
7.4.260.0030.00316.49
7.4.250.0070.00016.50
7.4.240.0050.00316.49
7.4.230.0000.00716.48
7.4.220.0070.01116.36
7.4.210.0090.00616.59
7.4.200.0050.00216.56
7.4.160.0090.00616.29
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0050.01216.59
7.4.120.0050.01316.54
7.4.110.0130.00316.75
7.4.100.0030.01416.53
7.4.90.0030.01316.51
7.4.80.0160.01919.39
7.4.70.0090.00916.38
7.4.60.0130.00316.50
7.4.50.0000.00516.33
7.4.40.0120.00416.41
7.4.30.0140.00716.59
7.4.00.0030.01014.63
7.3.330.0060.00013.03
7.3.320.0050.00012.99
7.3.310.0080.00016.18
7.3.300.0040.00416.10
7.3.290.0120.00616.18
7.3.280.0100.00916.24
7.3.270.0030.01617.40
7.3.260.0110.00716.47
7.3.250.0120.00816.13
7.3.240.0120.00616.32
7.3.230.0070.01016.39
7.3.210.0130.00316.34
7.3.200.0100.01319.39
7.3.190.0120.00616.36
7.3.180.0100.00716.23
7.3.170.0030.01616.52
7.3.160.0120.00316.27
7.3.10.0070.00716.33
7.3.00.0080.00516.54
7.2.330.0120.01216.39
7.2.320.0100.00916.55
7.2.310.0060.00916.52
7.2.300.0110.01116.48
7.2.290.0130.00316.32
7.2.130.0080.00516.40
7.2.120.0050.00716.65
7.2.110.0070.01016.84
7.2.100.0090.00416.44
7.2.90.0070.00716.77
7.2.80.0110.00316.63
7.2.70.0120.00416.69
7.2.60.0060.00416.75
7.2.50.0110.00516.67
7.2.40.0050.01116.71
7.2.30.0080.00816.57
7.2.20.0120.00616.77
7.2.10.0040.01116.42
7.2.00.0080.00817.54
7.1.250.0100.00615.44
7.1.200.0030.00615.76
7.1.100.0040.00718.02
7.1.70.0040.00416.79
7.1.60.0050.00517.18
7.1.50.0110.01116.96
7.1.00.0000.07322.30
7.0.200.0030.01016.55
7.0.140.0000.07022.16
7.0.60.0070.08019.95
7.0.50.0000.07017.84
7.0.40.0170.08020.19
7.0.30.0170.05320.18
7.0.20.0400.07320.01
7.0.10.0030.04320.19
7.0.00.0070.07720.04
5.6.280.0030.07321.02
5.6.210.0030.04020.66
5.6.200.0130.08018.22
5.6.190.0100.06020.47
5.6.180.0270.06720.35
5.6.170.0270.06020.54
5.6.160.0030.04020.49
5.6.150.0100.07718.21
5.6.140.0000.08718.20
5.6.130.0100.08718.09
5.6.120.0030.04321.14
5.6.110.0100.03720.95
5.6.100.0100.08020.97
5.6.90.0100.07321.09
5.6.80.0130.05020.44
5.5.350.0070.07320.37
5.5.340.0070.04718.02
5.5.330.0100.07020.36
5.5.320.0070.07720.17
5.5.310.0230.04020.14
5.5.300.0100.06018.02
5.5.290.0070.09017.88
5.5.280.0130.07720.73
5.5.270.0030.07020.64
5.5.260.0070.08020.73
5.5.250.0070.08320.61
5.5.240.0200.08020.27
5.4.450.0370.04019.46
5.4.440.0370.02719.46
5.4.430.0500.03719.42
5.4.420.0200.04719.38
5.4.410.0230.04719.44
5.4.400.0400.04018.81
5.4.390.0230.04019.23
5.4.380.0000.06318.64
5.4.370.1330.06718.57
5.4.360.0530.05318.41
5.4.350.0870.05718.68
5.4.340.0630.05318.60
5.4.320.0070.05412.45
5.4.310.0060.04012.45
5.4.300.0070.03612.45
5.4.290.0070.03912.45
5.4.280.0060.04112.35
5.4.270.0080.03812.34
5.4.260.0050.04112.34
5.4.250.0070.03712.35
5.4.240.0050.03712.35
5.4.230.0040.04012.34
5.4.220.0060.03612.34
5.4.210.0030.03812.34
5.4.200.0040.04012.34
5.4.190.0080.03412.33
5.4.180.0110.03712.34
5.4.170.0060.03612.34
5.4.160.0080.03812.34
5.4.150.0050.03912.34
5.4.140.0090.03412.02
5.4.130.0060.03512.01
5.4.120.0070.03311.97
5.4.110.0060.03511.96
5.4.100.0070.03911.96
5.4.90.0050.03811.96
5.4.80.0070.03911.96
5.4.70.0090.03411.96
5.4.60.0070.03411.96
5.4.50.0060.03811.96
5.4.40.0100.03111.95
5.4.30.0070.03511.95
5.4.20.0070.03511.95
5.4.10.0040.03711.95
5.4.00.0050.03611.43
5.3.290.0090.04812.80
5.3.280.0050.04412.71
5.3.270.0110.03412.73
5.3.260.0050.04112.72
5.3.250.0070.03612.72
5.3.240.0050.03812.72
5.3.230.0070.03612.71
5.3.220.0050.03812.68
5.3.210.0100.03612.68
5.3.200.0040.03812.68
5.3.190.0080.04012.68
5.3.180.0090.04512.68
5.3.170.0070.04412.67
5.3.160.0040.03912.67
5.3.150.0030.03912.68
5.3.140.0050.03512.66
5.3.130.0070.03812.65
5.3.120.0040.04012.66
5.3.110.0060.03912.66
5.3.100.0050.04012.12
5.3.90.0090.03612.09
5.3.80.0100.03212.07
5.3.70.0050.03612.07
5.3.60.0080.03312.06
5.3.50.0060.03512.00
5.3.40.0040.03712.00
5.3.30.0060.03611.95
5.3.20.0040.03711.72
5.3.10.0050.03911.69
5.3.00.0060.03711.67
5.2.170.0050.0309.18
5.2.160.0060.0289.18
5.2.150.0050.0309.18
5.2.140.0030.0369.18
5.2.130.0010.0399.14
5.2.120.0060.0359.14
5.2.110.0070.0319.14
5.2.100.0080.0329.14
5.2.90.0060.0329.14
5.2.80.0080.0319.14
5.2.70.0040.0329.14
5.2.60.0040.0369.09
5.2.50.0050.0309.06
5.2.40.0040.0339.03
5.2.30.0060.0339.01
5.2.20.0050.0279.01
5.2.10.0030.0298.92
5.2.00.0020.0318.79
5.1.60.0020.0268.07
5.1.50.0050.0238.06
5.1.40.0060.0228.05
5.1.30.0040.0288.39
5.1.20.0020.0348.41
5.1.10.0090.0248.14
5.1.00.0040.0288.14
5.0.50.0040.0206.62
5.0.40.0080.0216.48
5.0.30.0100.0386.29
5.0.20.0040.0186.27
5.0.10.0030.0206.24
5.0.00.0030.0316.23
4.4.90.0010.0174.78
4.4.80.0020.0164.76
4.4.70.0020.0164.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0040.0284.71
4.4.30.0070.0124.76
4.4.20.0030.0174.84
4.4.10.0030.0164.85
4.4.00.0020.0264.76
4.3.110.0030.0164.67
4.3.100.0030.0184.67
4.3.90.0040.0144.63
4.3.80.0000.0294.58
4.3.70.0050.0134.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0030.0153.28
4.3.20.0050.0203.26
4.3.10.0010.0163.22
4.3.00.0000.02015.90

preferences:
54.75 ms | 400 KiB | 5 Q