3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo($x): B { return new B; } } class B extends A { public function foo($x): C { return new C; } } class C extends B { } (new C)->foo('blah');

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)
8.3.60.0150.00018.30
8.3.50.0110.00417.98
8.3.40.0140.00718.71
8.3.30.0070.00718.31
8.3.20.0000.00920.43
8.3.10.0090.00022.04
8.3.00.0040.00422.57
8.2.180.0120.00318.15
8.2.170.0090.00922.96
8.2.160.0100.00322.26
8.2.150.0100.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0130.00722.06
8.2.100.0090.00319.43
8.2.90.0000.00817.63
8.2.80.0080.00018.70
8.2.70.0040.00417.80
8.2.60.0050.00317.93
8.2.50.0080.00018.10
8.2.40.0080.00019.21
8.2.30.0050.00319.23
8.2.20.0050.00317.94
8.2.10.0030.00619.11
8.2.00.0080.00019.13
8.1.280.0100.00625.92
8.1.270.0040.00420.70
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.18
8.1.230.0080.00417.57
8.1.220.0090.00017.74
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0000.00918.45
8.1.160.0040.00420.52
8.1.150.0000.00818.73
8.1.140.0050.00220.69
8.1.130.0000.00719.97
8.1.120.0070.00017.29
8.1.110.0040.00717.43
8.1.100.0060.00317.37
8.1.90.0040.00417.29
8.1.80.0030.00517.28
8.1.70.0090.00017.39
8.1.60.0040.00417.43
8.1.50.0030.00617.46
8.1.40.0040.00417.46
8.1.30.0080.00017.57
8.1.20.0000.00917.57
8.1.10.0040.00417.27
8.1.00.0000.00817.36
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0070.00018.39
8.0.270.0030.00317.23
8.0.260.0030.00321.72
8.0.250.0070.00016.94
8.0.240.0050.00316.94
8.0.230.0030.00316.98
8.0.220.0030.00316.89
8.0.210.0040.00416.79
8.0.200.0000.00616.83
8.0.190.0000.00716.89
8.0.180.0060.00316.99
8.0.170.0040.00416.98
8.0.160.0000.00816.86
8.0.150.0000.00816.77
8.0.140.0000.00816.73
8.0.130.0060.00013.40
8.0.120.0000.00716.94
8.0.110.0030.00616.90
8.0.100.0020.00516.84
8.0.90.0050.00216.75
8.0.80.0040.01516.86
8.0.70.0000.00716.77
8.0.60.0000.00816.74
8.0.50.0070.00016.85
8.0.30.0120.00916.77
8.0.20.0060.01117.25
8.0.10.0000.00817.04
8.0.00.0110.00816.79
7.4.330.0000.00515.55
7.4.320.0060.00016.36
7.4.300.0000.00616.53
7.4.290.0030.00316.56
7.4.280.0000.00716.37
7.4.270.0060.00016.43
7.4.260.0000.00513.19
7.4.250.0000.00716.49
7.4.240.0040.00416.42
7.4.230.0030.00316.64
7.4.220.0020.00616.60
7.4.210.0040.01116.54
7.4.200.0040.00416.28
7.4.130.0130.01216.49
7.4.120.0100.01216.20
7.4.110.0030.01216.33
7.4.100.0070.01016.56
7.4.90.0100.00716.55
7.4.80.0090.00919.39
7.4.70.0080.00916.49
7.4.60.0100.00616.49
7.4.50.0030.00716.49
7.4.40.0030.01816.53
7.3.330.0040.00416.39
7.3.320.0030.00313.30
7.3.310.0000.00716.21
7.3.300.0030.00316.23
7.3.290.0030.00316.10
7.3.280.0070.00716.18
7.3.260.0090.00916.26
7.3.240.0090.00716.28
7.3.230.0080.00816.36
7.3.210.0060.01216.19
7.3.200.0080.00816.31
7.3.190.0030.02016.30
7.3.180.0100.01516.26
7.3.170.0100.01016.38
7.3.160.0060.01116.21
7.3.80.0110.00514.45
7.3.70.0060.00614.26
7.3.60.0160.00314.27
7.3.50.0150.00914.48
7.3.40.0050.00814.35
7.3.30.0120.00014.52
7.3.20.0030.00916.13
7.3.10.0000.01216.29
7.3.00.0070.01016.28
7.2.330.0000.02116.24
7.2.320.0130.00316.24
7.2.310.0070.01316.32
7.2.300.0100.01116.55
7.2.290.0040.01616.34
7.2.210.0060.00914.54
7.2.200.0140.00514.37
7.2.190.0060.01614.41
7.2.180.0160.00614.42
7.2.170.0030.01014.39
7.2.160.0070.00714.57
7.2.150.0060.00616.15
7.2.140.0030.00916.52
7.2.130.0070.00716.52
7.2.120.0030.01216.48
7.2.110.0070.00716.33
7.2.100.0030.01116.65
7.2.90.0070.00716.48
7.2.80.0040.01116.78
7.2.70.0030.01016.64
7.2.60.0110.00816.42
7.2.50.0030.01716.38
7.2.40.0070.00716.22
7.2.30.0140.00016.16
7.2.20.0100.01016.43
7.2.10.0120.00916.55
7.2.00.0060.00916.48
7.1.310.0100.01015.06
7.1.300.0100.00715.30
7.1.290.0120.00915.33
7.1.280.0070.00715.18
7.1.270.0080.00615.13
7.1.260.0080.00415.21
7.1.250.0030.01215.04

preferences:
108.7 ms | 401 KiB | 5 Q