3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Space { class Foo { const SOME_CONSTANT = 'Works!'; } } namespace Other\Space { $class = Foo\Space\Foo::class; $constant = 'SOME_CONSTANT'; var_dump(constant("{$class}::{$constant}")); }

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)
8.3.60.0150.00618.41
8.3.50.0130.00921.22
8.3.40.0110.01118.60
8.3.30.0100.00718.71
8.3.20.0000.00920.21
8.3.10.0000.00821.63
8.3.00.0060.00319.66
8.2.180.0200.00016.50
8.2.170.0150.00022.96
8.2.160.0120.00420.27
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00517.50
8.2.110.0050.00519.41
8.2.100.0000.01217.63
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0110.00017.80
8.2.50.0100.00018.07
8.2.40.0080.00021.19
8.2.30.0040.00418.09
8.2.20.0000.00817.73
8.2.10.0000.00718.18
8.2.00.0040.00418.17
8.1.280.0140.00425.92
8.1.270.0000.00820.37
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0090.00023.82
8.1.230.0120.00017.42
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0000.01017.48
8.1.190.0030.00517.35
8.1.180.0080.00018.10
8.1.170.0000.00818.27
8.1.160.0040.00422.14
8.1.150.0080.00018.81
8.1.140.0030.00517.38
8.1.130.0000.00817.62
8.1.120.0050.00317.39
8.1.110.0000.01117.27
8.1.100.0000.00717.30
8.1.90.0030.00317.39
8.1.80.0040.00417.43
8.1.70.0030.00517.23
8.1.60.0050.00317.40
8.1.50.0040.00417.43
8.1.40.0030.00617.32
8.1.30.0060.00317.56
8.1.20.0030.00517.60
8.1.10.0090.00017.43
8.1.00.0020.00517.45
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.32
8.0.270.0030.00317.17
8.0.260.0000.00617.31
8.0.250.0030.00316.95
8.0.240.0050.00316.94
8.0.230.0000.00616.98
8.0.220.0070.00016.82
8.0.210.0070.00016.89
8.0.200.0000.00616.93
8.0.190.0070.00017.00
8.0.180.0070.00016.88
8.0.170.0030.00516.89
8.0.160.0000.00816.91
8.0.150.0040.00416.88
8.0.140.0000.00716.84
8.0.130.0000.00513.29
8.0.120.0040.00416.80
8.0.110.0040.00416.77
8.0.100.0000.00816.85
8.0.90.0080.00016.97
8.0.80.0140.00316.83
8.0.70.0000.00716.91
8.0.60.0000.00817.04
8.0.50.0040.00416.89
8.0.30.0130.00617.00
8.0.20.0100.00817.40
8.0.10.0000.00716.98
8.0.00.0080.00916.68
7.4.330.0000.00515.08
7.4.320.0030.00316.42
7.4.300.0030.00316.41
7.4.290.0000.00716.38
7.4.280.0000.00816.31
7.4.270.0030.00316.34
7.4.260.0000.00816.41
7.4.250.0070.00016.50
7.4.240.0020.00616.50
7.4.230.0060.00316.41
7.4.220.0070.01516.45
7.4.210.0030.01216.45
7.4.200.0080.00016.33
7.4.160.0080.00816.48
7.4.150.0100.00717.40
7.4.140.0150.00517.86
7.4.130.0100.00716.48
7.4.120.0080.00916.50
7.4.110.0070.01516.50
7.4.100.0070.01516.31
7.4.90.0090.00916.43
7.4.80.0080.01119.39
7.4.70.0050.01116.46
7.4.60.0100.00716.57
7.4.50.0030.00616.58
7.4.40.0080.01116.34
7.4.30.0060.01216.51
7.4.00.0100.00614.84
7.3.330.0000.00513.19
7.3.320.0000.00513.20
7.3.310.0000.00716.16
7.3.300.0030.00316.23
7.3.290.0030.00316.36
7.3.280.0060.00916.32
7.3.270.0070.01017.40
7.3.260.0100.00816.52
7.3.250.0060.01016.50
7.3.240.0090.00916.35
7.3.230.0110.00816.39
7.3.210.0150.01016.41
7.3.200.0060.01019.39
7.3.190.0030.01216.40
7.3.180.0030.01716.32
7.3.170.0160.00016.48
7.3.160.0060.00916.38
7.3.10.0100.01016.36
7.3.00.0170.00816.18
7.2.330.0030.01516.72
7.2.320.0100.00716.48
7.2.310.0080.00816.64
7.2.300.0060.00916.42
7.2.290.0100.00716.39
7.2.130.0200.00316.43
7.2.120.0180.00316.54
7.2.110.0080.01616.30
7.2.100.0040.01116.63
7.2.90.0100.00316.43
7.2.80.0070.00716.57
7.2.70.0080.00816.36
7.2.60.0130.00816.50
7.2.50.0170.00016.54
7.2.40.0160.01216.91
7.2.30.0190.00416.32
7.2.20.0110.00816.71
7.2.10.0170.01016.57
7.2.00.0090.00817.74
7.1.250.0120.00315.36
7.1.200.0160.00315.45
7.1.100.0060.00618.01
7.1.70.0000.00816.73
7.1.60.0040.02120.03
7.1.50.0070.01416.84
7.1.00.0100.07022.36
7.0.200.0060.00616.75
7.0.60.0130.06719.88
7.0.50.0030.04317.83
7.0.40.0130.03720.11
7.0.30.0500.07020.16
7.0.20.0300.07720.15
7.0.10.0000.05020.23
7.0.00.0030.04320.24
5.6.280.0000.06720.91
5.6.210.0070.07320.66
5.6.200.0070.06718.29
5.6.190.0100.08320.34
5.6.180.2900.04320.55
5.6.170.0300.07020.45
5.6.160.0000.05320.51
5.6.150.0100.07018.25
5.6.140.0100.07718.18
5.6.130.0070.03718.14
5.6.120.0070.07021.01
5.6.110.0030.04321.02
5.6.100.0000.04321.04
5.6.90.0070.04320.95
5.6.80.0130.06020.53
5.6.70.4270.03720.47
5.5.350.0100.03320.41
5.5.340.0170.06717.96
5.5.330.0100.04020.31
5.5.320.3100.04320.30
5.5.310.0230.08320.27
5.5.300.0130.07317.95
5.5.290.0030.07017.94
5.5.280.0030.08720.84
5.5.270.0030.09020.86
5.5.260.0100.08320.78
5.5.250.0130.07720.56
5.5.240.0200.06720.14
5.4.450.0770.05019.47
5.4.440.0830.05719.40
5.4.430.0800.05719.59
5.4.420.0730.06019.59
5.4.410.0700.06319.45
5.4.400.0830.05319.26
5.4.390.0770.05319.17
5.4.380.0830.04719.29
5.4.370.0700.05719.23
5.4.360.0800.04718.88
5.4.350.0900.05019.06
5.4.340.0670.06019.29
5.4.320.0770.05319.14
5.4.310.0870.04019.14
5.4.300.0770.05319.22
5.4.290.0800.05019.37
5.4.280.0700.06019.15
5.4.270.0700.05719.37
5.4.260.0670.05318.98
5.4.250.0730.05019.25
5.4.240.0600.05319.30
5.4.230.0770.05019.14
5.4.220.0830.04019.36
5.4.210.0730.04719.02
5.4.200.0770.06016.79
5.4.190.0670.04019.02
5.4.180.0470.06019.28
5.4.170.0630.05319.10
5.4.160.0500.06019.27
5.4.150.0600.05019.23
5.4.140.0570.05016.50
5.4.130.0700.05316.39
5.4.120.0600.04716.63
5.4.110.0670.04016.60
5.4.100.0570.04716.36
5.4.90.0700.05316.36
5.4.80.0630.04716.59
5.4.70.0600.05316.35
5.4.60.0700.04316.50
5.4.50.0700.04316.52
5.4.40.0630.05716.69
5.4.30.0870.05316.35
5.4.20.0870.05316.49
5.4.10.0570.05016.49
5.4.00.0630.04716.02

preferences:
34.52 ms | 401 KiB | 5 Q