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)
8.3.40.0000.01418.41
8.3.30.0140.00018.58
8.3.20.0110.00720.20
8.3.10.0030.00523.64
8.3.00.0040.00419.43
8.2.170.0070.01422.96
8.2.160.0070.00720.32
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00817.63
8.2.110.0030.00622.30
8.2.100.0040.00817.75
8.2.90.0040.00419.06
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0030.00617.80
8.2.50.0090.00318.07
8.2.40.0090.00019.46
8.2.30.0040.00419.78
8.2.20.0070.00017.52
8.2.10.0070.00017.98
8.2.00.0050.00217.86
8.1.270.0040.00420.38
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00318.86
8.1.230.0070.00417.42
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.56
8.1.160.0030.00321.89
8.1.150.0040.00418.73
8.1.140.0030.00517.25
8.1.130.0030.00317.54
8.1.120.0000.00717.42
8.1.110.0060.00317.29
8.1.100.0040.00417.40
8.1.90.0000.00717.29
8.1.80.0040.00417.33
8.1.70.0040.00417.26
8.1.60.0000.00817.46
8.1.50.0000.00817.46
8.1.40.0000.00817.48
8.1.30.0000.00817.50
8.1.20.0000.00817.55
8.1.10.0040.00417.26
8.1.00.0000.00717.20
8.0.300.0060.00318.77
8.0.290.0000.00816.63
8.0.280.0000.00718.36
8.0.270.0030.00317.06
8.0.260.0030.00317.20
8.0.250.0040.00416.98
8.0.240.0040.00416.90
8.0.230.0000.00716.85
8.0.220.0000.00616.92
8.0.210.0040.00416.82
8.0.200.0000.00716.81
8.0.190.0040.00416.91
8.0.180.0070.00416.88
8.0.170.0030.00516.79
8.0.160.0030.00316.86
8.0.150.0050.00216.73
8.0.140.0050.00316.72
8.0.130.0000.00513.32
8.0.120.0040.00416.83
8.0.110.0040.00416.71
8.0.100.0020.00516.85
8.0.90.0000.00716.87
8.0.80.0070.01016.88
8.0.70.0000.00816.80
8.0.60.0030.00316.87
8.0.50.0000.00716.68
8.0.30.0090.00616.88
8.0.20.0110.00817.40
8.0.10.0070.00016.84
8.0.00.0100.01216.76
7.4.330.0030.00315.08
7.4.320.0030.00316.44
7.4.300.0030.00316.43
7.4.290.0040.00416.53
7.4.280.0000.00716.43
7.4.270.0030.00316.54
7.4.260.0030.00313.25
7.4.250.0040.00416.48
7.4.240.0050.00216.49
7.4.230.0000.00716.41
7.4.220.0090.00816.43
7.4.210.0090.00616.46
7.4.200.0000.00716.57
7.4.160.0120.00316.54
7.4.150.0040.01317.40
7.4.140.0110.00817.86
7.4.130.0070.01116.45
7.4.120.0090.00916.58
7.4.110.0100.00716.55
7.4.100.0140.00316.36
7.4.90.0140.00316.38
7.4.80.0100.00619.39
7.4.70.0080.00816.29
7.4.60.0060.00916.30
7.4.50.0000.00416.50
7.4.40.0060.01116.56
7.4.30.0130.00316.66
7.4.00.0050.01214.93
7.3.330.0000.00613.21
7.3.320.0000.00513.09
7.3.310.0030.00316.25
7.3.300.0030.00316.16
7.3.290.0070.00016.10
7.3.280.0080.01316.20
7.3.270.0130.00317.40
7.3.260.0000.01816.36
7.3.250.0100.00716.35
7.3.240.0060.01016.11
7.3.230.0060.01216.40
7.3.210.0030.01316.31
7.3.200.0100.00716.43
7.3.190.0090.01016.26
7.3.180.0060.00916.45
7.3.170.0060.01616.38
7.3.160.0070.01016.48
7.3.120.0080.00814.67
7.3.110.0110.00714.75
7.3.100.0100.00314.54
7.3.90.0040.01114.66
7.3.80.0060.00914.67
7.3.70.0000.00914.75
7.3.60.0090.00614.78
7.3.50.0060.01214.71
7.3.40.0090.00014.83
7.3.30.0130.00314.83
7.3.20.0030.00616.46
7.3.10.0110.00316.55
7.3.00.0000.01416.54
7.2.330.0100.00716.46
7.2.320.0060.01116.35
7.2.310.0070.01116.32
7.2.300.0070.01016.38
7.2.290.0100.01316.26
7.2.250.0190.00014.73
7.2.240.0100.01014.80
7.2.230.0040.00714.93
7.2.220.0060.00614.86
7.2.210.0000.01714.74
7.2.200.0030.00914.84
7.2.190.0100.00714.80
7.2.180.0090.00014.93
7.2.170.0070.00715.00
7.2.60.0070.00716.78
7.2.00.0060.00619.39
7.1.330.0040.01115.78
7.1.320.0090.00315.58
7.1.310.0030.01215.70
7.1.300.0060.00915.56
7.1.290.0030.01415.58
7.1.280.0070.00715.65
7.1.270.0070.00415.66
7.1.260.0060.00815.66
7.1.200.0030.01015.57
7.1.100.0040.00818.19
7.1.70.0040.01217.00
7.1.60.0110.01519.17
7.1.50.0000.01216.82
7.1.00.0030.07722.35
7.0.200.0000.00816.79
7.0.60.0070.04319.85
7.0.50.0030.06017.78
7.0.40.0100.06020.18
7.0.30.0300.04320.24
7.0.20.0070.05020.30
7.0.10.0000.06320.09
7.0.00.0000.04320.16
5.6.280.0030.04020.88
5.6.210.0070.07320.51
5.6.200.0030.04318.13
5.6.190.0070.04020.33
5.6.180.3600.04020.50
5.6.170.0230.05320.51
5.6.160.0070.03720.44
5.6.150.0000.04318.19
5.6.140.0130.08018.21
5.6.130.0100.08718.17
5.6.120.0070.08021.15
5.6.110.0070.08021.13
5.6.100.0170.07021.00
5.6.90.0030.07321.05
5.6.80.0030.04020.39
5.6.70.3930.04020.53
5.5.350.0030.07320.33
5.5.340.0070.03718.04
5.5.330.0030.04720.13
5.5.320.0330.07320.31
5.5.310.0230.06720.30
5.5.300.0130.07317.95
5.5.290.0000.06317.98
5.5.280.0130.08320.82
5.5.270.0070.04020.87
5.5.260.0030.07320.66
5.5.250.0030.04720.59
5.5.240.0100.07320.05
5.4.450.0170.05719.39
5.4.440.0230.05019.30
5.4.430.0200.05319.60
5.4.420.0300.05019.58
5.4.410.0230.05019.34
5.4.400.0230.05719.15
5.4.390.0230.05019.31
5.4.380.0270.05019.21
5.4.370.0230.05019.13
5.4.360.0130.06019.15
5.4.350.0270.04719.22
5.4.340.0300.05019.29
5.4.320.0270.05019.14
5.4.310.0270.04719.15
5.4.300.0300.04719.22
5.4.290.0170.05719.30
5.4.280.0270.05319.12
5.4.270.0270.05019.37
5.4.260.0500.05019.30
5.4.250.0270.05719.25
5.4.240.0230.06018.83
5.4.230.0100.06319.37
5.4.220.0170.06019.29
5.4.210.0200.06019.25
5.4.200.0230.04718.86
5.4.190.0230.05019.11
5.4.180.0170.05719.15
5.4.170.0200.06719.25
5.4.160.0100.06019.04
5.4.150.0270.05019.36
5.4.140.0230.04716.50
5.4.130.0070.06316.39
5.4.120.0230.04316.36
5.4.110.0300.04016.48
5.4.100.0270.04016.26
5.4.90.0170.05016.63
5.4.80.0200.04316.56
5.4.70.0230.05016.39
5.4.60.0300.04316.24
5.4.50.0000.07316.26
5.4.40.0170.03316.33
5.4.30.0030.03316.37
5.4.20.0300.05716.53

preferences:
44.78 ms | 400 KiB | 5 Q