3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function foo($a); } class B implements A { public function foo(A $a = null) {} }

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)
8.3.70.0030.01316.88
8.3.60.0100.01016.50
8.3.50.0110.00621.92
8.3.40.0140.00018.71
8.3.30.0000.01418.35
8.3.20.0080.00020.34
8.3.10.0040.00423.48
8.3.00.0050.00319.13
8.2.180.0040.01118.04
8.2.170.0110.00422.96
8.2.160.0070.00720.35
8.2.150.0110.00024.18
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00420.95
8.2.110.0000.00922.31
8.2.100.0080.00417.80
8.2.90.0050.00319.28
8.2.80.0000.00817.97
8.2.70.0000.00917.25
8.2.60.0030.00617.90
8.2.50.0000.00818.07
8.2.40.0000.00819.11
8.2.30.0050.00220.53
8.2.20.0000.00717.65
8.2.10.0040.00417.87
8.2.00.0040.00418.04
8.1.280.0070.01325.92
8.1.270.0080.00023.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0050.01017.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.10
8.1.190.0050.00317.13
8.1.180.0000.00718.10
8.1.170.0000.00819.10
8.1.160.0050.00521.99
8.1.150.0000.00718.73
8.1.140.0050.00319.52
8.1.130.0000.00717.54
8.1.120.0000.00817.42
8.1.110.0000.00717.39
8.1.100.0040.00417.41
8.1.90.0000.00817.30
8.1.80.0040.00417.28
8.1.70.0030.00317.41
8.1.60.0040.00417.50
8.1.50.0040.00417.47
8.1.40.0040.00417.48
8.1.30.0040.00417.65
8.1.20.0000.00717.61
8.1.10.0040.00417.43
8.1.00.0040.00417.32
8.0.300.0050.00318.77
8.0.290.0080.00016.75
8.0.280.0030.00318.34
8.0.270.0000.00717.30
8.0.260.0030.00517.10
8.0.250.0040.00416.93
8.0.240.0000.00716.94
8.0.230.0000.00716.95
8.0.220.0000.00716.80
8.0.210.0050.00316.82
8.0.200.0000.00616.96
8.0.190.0070.00016.97
8.0.180.0000.00716.91
8.0.170.0070.00016.90
8.0.160.0040.00416.91
8.0.150.0070.00016.79
8.0.140.0070.00016.73
8.0.130.0050.00013.35
8.0.120.0030.00616.75
8.0.110.0000.00816.89
8.0.100.0030.00316.69
8.0.90.0000.00716.91
8.0.80.0120.00616.88
8.0.70.0040.00416.84
8.0.60.0000.00716.80
8.0.50.0000.00716.87
8.0.30.0110.00917.04
8.0.20.0130.00917.40
8.0.10.0040.00416.95
8.0.00.0070.01016.67
7.4.330.0000.00615.14
7.4.320.0070.00016.34
7.4.300.0030.00316.45
7.4.290.0030.00516.51
7.4.280.0000.00916.51
7.4.270.0000.00716.53
7.4.260.0000.00616.44
7.4.250.0050.00316.39
7.4.240.0030.00316.38
7.4.230.0040.00416.54
7.4.220.0070.00816.48
7.4.210.0060.01316.44
7.4.200.0000.00716.57
7.4.160.0060.00916.53
7.4.150.0190.00617.40
7.4.140.0110.01017.86
7.4.130.0090.01016.47
7.4.120.0140.00416.40
7.4.110.0160.00916.47
7.4.100.0090.00916.39
7.4.90.0060.01216.37
7.4.80.0120.00619.39
7.4.70.0170.00016.32
7.4.60.0170.00716.21
7.4.50.0090.00016.36
7.4.40.0210.00516.56
7.4.30.0120.01216.39
7.4.00.0060.01215.13
7.3.330.0000.00513.24
7.3.320.0030.00313.21
7.3.310.0070.00016.26
7.3.300.0030.00316.25
7.3.290.0060.00816.23
7.3.280.0090.01016.24
7.3.270.0000.01717.40
7.3.260.0100.01116.50
7.3.250.0100.00816.32
7.3.240.0100.00616.27
7.3.230.0090.00916.39
7.3.210.0060.01216.22
7.3.200.0070.01016.39
7.3.190.0090.00616.24
7.3.180.0060.01216.32
7.3.170.0090.00916.27
7.3.160.0060.00916.44
7.2.330.0060.01216.61
7.2.320.0070.01116.61
7.2.310.0040.01116.58
7.2.300.0130.00716.42
7.2.290.0030.01316.50
7.2.60.0030.00916.81
7.2.00.0080.00319.18
7.1.200.0000.01415.55
7.1.100.0110.00718.13
7.1.70.0080.00017.14
7.1.60.0090.01619.43
7.1.50.0150.00716.73
7.1.00.0100.07022.54
7.0.200.0430.00414.60
7.0.60.0100.04719.85
7.0.50.0070.07017.93
7.0.40.0030.09320.04
7.0.30.0130.06320.16
7.0.20.0300.08020.08
7.0.10.0070.06020.30
7.0.00.0130.08020.10
5.6.280.0100.04720.93
5.6.210.0070.08020.68
5.6.200.0100.04718.16
5.6.190.0030.05320.64
5.6.180.0400.07720.54
5.6.170.0270.06720.57
5.6.160.0100.07720.50
5.6.150.0100.04318.27
5.6.140.0100.07018.17
5.6.130.0030.05718.12
5.6.120.0070.04021.05
5.6.110.0030.09021.11
5.6.100.0070.08720.89
5.6.90.0070.04321.05
5.6.80.0070.07320.38
5.5.350.0230.07020.42
5.5.340.0030.08718.09
5.5.330.0070.05020.31
5.5.320.0200.04320.28
5.5.310.0330.04720.34
5.5.300.0070.04317.99
5.5.290.0270.03317.92
5.5.280.0100.03320.88
5.5.270.0070.08720.86
5.5.260.0170.07320.97
5.5.250.0100.05320.57
5.5.240.0100.06320.26
5.4.450.0470.06019.46
5.4.440.0630.05319.15
5.4.430.0530.05019.48
5.4.420.0500.05019.46
5.4.410.0570.04719.56
5.4.400.0430.05718.97
5.4.390.0500.05019.00
5.4.380.0500.05318.86
5.4.370.0500.05019.12
5.4.360.0770.07319.28
5.4.350.0630.06019.14
5.4.340.0500.05019.28
5.4.320.0530.05019.25
5.4.310.0430.05719.25
5.4.300.0570.04319.11
5.4.290.0470.05319.21
5.4.280.0530.04719.11
5.4.270.0530.04719.24
5.4.260.0530.05319.05
5.4.250.0400.05719.13
5.4.240.0470.05319.05
5.4.230.0570.04718.99
5.4.220.0500.05319.13
5.4.210.0470.05719.36
5.4.200.0530.05718.99
5.4.190.0570.07018.96
5.4.180.0530.06019.13
5.4.170.0500.05318.96
5.4.160.0670.03719.30
5.4.150.0430.06019.11
5.4.140.0870.06016.36
5.4.130.0700.06316.57
5.4.120.0370.05016.41
5.4.110.0270.05716.40
5.4.100.0200.05016.45
5.4.90.0200.05716.50
5.4.80.0570.06716.62
5.4.70.0730.06316.55
5.4.60.0400.07316.48
5.4.50.0570.06716.49
5.4.40.0600.05716.54
5.4.30.0470.06016.57
5.4.20.0430.04016.56
5.4.10.0100.05016.61
5.4.00.0130.05015.74

preferences:
47.22 ms | 401 KiB | 5 Q