3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A {} class C extends B {} interface InterfaceTest { public function foo(B $p); } abstract class AbstractTest { public abstract function foo(B $p); } // class TestAbstractContravariance extends AbstractTest { // public function foo(A $p) {} // } //class TestAbstractCovariance extends AbstractTest { // public function foo(C $p) {} //} //class TestInterfaceContravariance implements InterfaceTest // { // public function foo(A $p) {} //} class TestInterfaceCovariance implements InterfaceTest { public function foo(C $p) {} }

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)
8.3.60.0100.01318.56
8.3.50.0120.00316.12
8.3.40.0070.00718.71
8.3.30.0100.00318.35
8.3.20.0100.00720.21
8.3.10.0040.00423.52
8.3.00.0040.00419.61
8.2.180.0000.01518.29
8.2.170.0110.00622.96
8.2.160.0070.00720.49
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00017.50
8.2.110.0030.00621.97
8.2.100.0040.00817.63
8.2.90.0000.00919.05
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00617.68
8.2.50.0030.00818.07
8.2.40.0070.00419.38
8.2.30.0000.00719.78
8.2.20.0030.00517.52
8.2.10.0040.00417.94
8.2.00.0000.00718.00
8.1.280.0060.00925.92
8.1.270.0060.00320.13
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00922.53
8.1.230.0090.00317.42
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0040.00417.00
8.1.180.0030.00518.10
8.1.170.0080.00018.66
8.1.160.0000.00721.91
8.1.150.0040.00318.73
8.1.140.0040.00417.29
8.1.130.0040.00417.63
8.1.120.0000.00717.28
8.1.110.0040.00417.32
8.1.100.0040.00417.38
8.1.90.0040.00417.29
8.1.80.0040.00417.36
8.1.70.0050.00317.37
8.1.60.0060.00317.52
8.1.50.0040.00417.35
8.1.40.0040.00417.39
8.1.30.0000.00917.48
8.1.20.0000.00817.51
8.1.10.0040.00417.29
8.1.00.0030.00517.26
8.0.300.0080.00018.77
8.0.290.0030.00516.63
8.0.280.0000.00818.27
8.0.270.0030.00517.24
8.0.260.0060.00017.11
8.0.250.0040.00416.84
8.0.240.0000.00816.81
8.0.230.0000.00716.83
8.0.220.0060.00016.87
8.0.210.0000.00816.92
8.0.200.0030.00316.92
8.0.190.0030.00516.95
8.0.180.0050.00516.96
8.0.170.0050.00216.90
8.0.160.0000.00716.81
8.0.150.0030.00416.85
8.0.140.0070.00016.71
8.0.130.0060.00013.32
8.0.120.0050.00216.74
8.0.110.0000.00716.71
8.0.100.0000.00716.89
8.0.90.0000.00816.77
8.0.80.0150.00316.93
8.0.70.0040.00416.75
8.0.60.0000.00716.88
8.0.50.0040.00416.91
8.0.30.0100.00717.01
8.0.20.0150.00317.40
8.0.10.0050.00316.89
8.0.00.0080.01116.70
7.4.330.0050.00015.08
7.4.320.0030.00616.36
7.4.300.0000.00616.48
7.4.290.0000.00716.35
7.4.280.0040.00416.37
7.4.270.0000.00716.54
7.4.260.0070.00016.51
7.4.250.0030.00616.39
7.4.240.0020.00616.54
7.4.230.0000.00716.34
7.4.220.0060.01516.46
7.4.210.0060.00916.46
7.4.200.0030.00316.51
7.4.160.0030.01216.23
7.4.150.0110.00717.40
7.4.140.0060.01317.86
7.4.130.0130.00416.34
7.4.120.0140.00616.43
7.4.110.0140.00316.36
7.4.100.0070.01616.41
7.4.90.0060.01616.52
7.4.80.0030.01419.39
7.4.70.0040.01716.47
7.4.60.0060.00916.46
7.4.50.0000.00816.59
7.4.40.0040.01216.29
7.4.30.0140.00316.40
7.4.00.0100.00614.90
7.3.330.0000.00613.04
7.3.320.0030.00313.20
7.3.310.0000.00716.03
7.3.300.0000.00616.24
7.3.290.0050.00316.12
7.3.280.0140.00716.23
7.3.270.0030.01317.40
7.3.260.0120.00616.36
7.3.250.0120.00616.27
7.3.240.0130.00316.34
7.3.230.0090.00916.39
7.3.210.0070.01016.24
7.3.200.0060.00916.28
7.3.190.0160.00616.41
7.3.180.0090.00616.29
7.3.170.0030.01416.27
7.3.160.0150.00616.32
7.3.120.0120.00614.70
7.3.110.0050.01314.82
7.3.100.0110.00314.61
7.3.90.0030.00914.78
7.3.80.0020.01314.74
7.3.70.0020.01014.57
7.3.60.0050.00514.72
7.3.50.0070.00614.69
7.3.40.0070.01014.72
7.3.30.0030.00814.68
7.3.20.0100.00416.74
7.3.10.0060.00616.46
7.3.00.0100.00416.47
7.2.330.0120.01216.61
7.2.320.0170.00616.66
7.2.310.0030.01316.67
7.2.300.0060.00916.49
7.2.290.0130.00916.47
7.2.250.0110.00914.79
7.2.240.0040.01215.03
7.2.230.0050.01014.84
7.2.220.0030.01215.05
7.2.210.0020.01114.93
7.2.200.0020.01014.88
7.2.190.0030.01514.89
7.2.180.0070.00814.89
7.2.170.0040.01014.79
7.2.60.0100.00716.51
7.2.00.0000.01219.11
7.1.330.0090.00515.79
7.1.320.0030.00715.73
7.1.310.0070.00515.63
7.1.300.0050.00715.60
7.1.290.0070.00615.68
7.1.280.0060.01015.51
7.1.270.0040.00815.56
7.1.260.0100.00415.73
7.1.200.0110.00415.45
7.1.100.0000.01317.85
7.1.70.0040.00417.00
7.1.60.0100.01419.17
7.1.50.0070.00416.97
7.1.00.0030.07322.35
7.0.200.0060.00316.73
7.0.60.0070.04319.92
7.0.50.0070.04317.87
7.0.40.0070.04320.13
7.0.30.0530.07020.17
7.0.20.0200.06020.09
7.0.10.0100.06720.07
7.0.00.0000.04320.25
5.6.280.0000.05320.91
5.6.210.0000.05720.48
5.6.200.0070.08318.19
5.6.190.0000.05020.48
5.6.180.3830.03320.57
5.6.170.0300.07720.52
5.6.160.0030.04020.61
5.6.150.0070.03718.29
5.6.140.0030.06018.24
5.6.130.0100.08318.14
5.6.120.0130.03321.02
5.6.110.0170.06721.12
5.6.100.0030.07320.90
5.6.90.0000.06321.04
5.6.80.0070.03320.39
5.6.70.3900.04020.34
5.5.350.0000.08320.54
5.5.340.0030.04017.95
5.5.330.0030.04320.44
5.5.320.0330.07720.24
5.5.310.0300.04320.19
5.5.300.0130.07317.93
5.5.290.0070.05317.98
5.5.280.0130.08020.81
5.5.270.0000.04720.88
5.5.260.0030.08320.72
5.5.250.0070.08720.70
5.5.240.0170.06720.24
5.4.450.0670.05719.62
5.4.440.0630.06319.63
5.4.430.0700.05319.54
5.4.420.0670.05319.19
5.4.410.0800.04019.34
5.4.400.0630.06019.16
5.4.390.0800.04319.28
5.4.380.0630.06319.15
5.4.370.0730.04719.26
5.4.360.0670.05319.13
5.4.350.0900.05319.28
5.4.340.0770.05718.98
5.4.320.0730.05019.29
5.4.310.0730.04719.15
5.4.300.0730.05019.25
5.4.290.0830.03719.30
5.4.280.0730.04719.28
5.4.270.0630.05719.28
5.4.260.0630.06019.06
5.4.250.0930.04719.16
5.4.240.1070.03719.37
5.4.230.0900.04719.23
5.4.220.0900.05318.97
5.4.210.1000.04319.21
5.4.200.0870.05318.97
5.4.190.0870.05318.97
5.4.180.0870.05319.15
5.4.170.0970.04318.86
5.4.160.0930.04319.11
5.4.150.0830.06019.13
5.4.140.0870.05016.40
5.4.130.1130.06016.59
5.4.120.0900.04316.38
5.4.110.1000.04016.68
5.4.100.0930.04716.70
5.4.90.0730.04716.50
5.4.80.0770.04016.56
5.4.70.0230.04716.32
5.4.60.0330.06316.24
5.4.50.0000.04316.48
5.4.40.0200.07316.43
5.4.30.0030.05016.25
5.4.20.0270.03716.51

preferences:
60.21 ms | 401 KiB | 5 Q