3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class BaseClass { public function foo() { return '123'; } } final class ConcreteClass extends BaseClass { #[Override] public function foo(): void { } } $c = new ConcreteClass(); $c->foo();

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)
8.4.120.0140.00722.42
8.4.110.0100.01118.96
8.4.100.0380.01017.75
8.4.90.0290.00917.39
8.4.80.0420.00917.74
8.4.70.0470.00917.15
8.4.60.0350.01317.62
8.4.50.0390.00717.70
8.4.40.0220.00317.64
8.4.30.0400.00717.28
8.4.20.0210.00617.40
8.4.10.0240.00417.30
8.3.250.0090.00918.79
8.3.240.0120.00818.38
8.3.230.0180.00316.59
8.3.220.0270.00516.18
8.3.210.0240.00316.39
8.3.200.0160.00416.38
8.3.190.0390.00616.28
8.3.180.0280.00316.41
8.3.170.0210.00216.46
8.3.160.0420.00716.52
8.3.150.0320.01116.38
8.3.140.0280.00516.70
8.3.130.0330.00816.55
8.3.120.0330.00816.45
8.3.110.0210.00716.17
8.3.100.0390.00716.47
8.3.90.0260.00816.34
8.3.80.0400.00816.26
8.3.70.0430.00616.36
8.3.60.0430.00516.30
8.3.50.0400.01216.23
8.3.40.0460.00717.37
8.3.30.0390.00617.18
8.3.20.0370.00617.43
8.3.10.0340.00617.23
8.3.00.0320.01117.31
8.2.290.0330.00416.58
8.2.280.0290.00616.52
8.2.270.0300.01016.37
8.2.260.0270.00516.21
8.2.250.0320.00916.44
8.2.240.0330.01116.02
8.2.230.0360.00616.32
8.2.220.0340.00716.38
8.2.210.0310.01116.19
8.2.200.0350.00816.70
8.2.190.0310.00916.29
8.2.180.0310.00816.13
8.2.170.0370.00917.57
8.2.160.0350.00917.62
8.2.150.0340.00917.25
8.2.140.0320.01117.50
8.2.130.0340.00817.51
8.2.120.0160.00417.49
8.2.110.0300.00517.49
8.2.100.0230.00517.40
8.2.90.0330.01017.50
8.2.80.0300.01217.39
8.2.70.0240.00317.57
8.2.60.0160.00417.49
8.2.50.0140.00517.49
8.2.40.0390.00917.47
8.2.30.0380.00517.38
8.2.20.0330.00717.34
8.2.10.0330.00717.38
8.2.00.0330.00617.33

preferences:
32.71 ms | 403 KiB | 5 Q