3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I {} interface J {} // Simulate a "never" parameter type. interface AlmostNever extends I, J {} class C implements I {} interface Base { public function foo(AlmostNever $x): mixed; } interface ReturnI extends Base { public function foo(AlmostNever $x): I; } interface AcceptI extends Base { public function foo(I $x): mixed; } class AcceptReturnI implements AcceptI, ReturnI { public function foo(I $x): I { return $x; } } function f(AcceptI&ReturnI $callme, I $x): I { return $callme->foo($x); } f(new AcceptReturnI(), new C());

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)
8.4.120.0090.00522.39
8.4.110.0130.00718.87
8.4.100.0140.00617.63
8.4.90.0130.01020.57
8.4.80.0130.00618.79
8.4.70.0090.00818.85
8.4.60.0060.00220.78
8.4.50.0090.00818.67
8.4.40.0160.00317.62
8.4.30.0070.01518.85
8.4.20.0130.00619.41
8.4.10.0050.00519.23
8.3.250.0130.00618.84
8.3.240.0120.00617.17
8.3.230.0080.00916.48
8.3.220.0050.00319.16
8.3.210.0100.01216.56
8.3.200.0040.00516.53
8.3.190.0140.00517.11
8.3.180.0130.00518.89
8.3.170.0090.00920.74
8.3.160.0070.01017.17
8.3.150.0060.01217.10
8.3.140.0000.00816.71
8.3.130.0080.00018.30
8.3.120.0090.00318.85
8.3.110.0040.00422.58
8.3.100.0080.00022.58
8.3.90.0060.00322.58
8.3.70.0120.00717.48
8.3.60.0320.00717.13
8.3.50.0130.00517.13
8.3.40.0240.00917.92
8.3.30.0230.00917.41
8.3.20.0250.00717.26
8.3.10.0250.00517.16
8.3.00.0290.00617.14
8.2.290.0120.00720.21
8.2.280.0100.00920.29
8.2.270.0060.01216.91
8.2.260.0040.00418.31
8.2.250.0120.00616.82
8.2.240.0000.00917.12
8.2.230.0110.00422.58
8.2.220.0090.00022.58
8.2.210.0000.00822.58
8.2.190.0250.00816.65
8.2.180.0240.00916.57
8.2.170.0290.00717.80
8.2.160.0300.00717.43
8.2.150.0300.00717.84
8.2.140.0270.00917.27
8.2.130.0260.01317.25
8.2.120.0320.00717.28
8.2.110.0260.00917.89
8.2.100.0280.00717.33
8.2.90.0280.00817.56
8.2.80.0240.01217.54
8.2.70.0250.01117.67
8.2.60.0230.01217.35
8.2.50.0310.00517.27
8.2.40.0250.00917.78
8.2.30.0230.01117.05
8.2.20.0290.00617.20
8.2.10.0270.00717.16
8.2.00.0280.00717.19
8.1.330.0100.00816.06
8.1.320.0100.00917.74
8.1.310.0090.00916.77
8.1.300.0030.00518.20
8.1.280.0270.00816.18
8.1.270.0320.00817.01
8.1.260.0290.00816.97
8.1.250.0300.00717.70
8.1.240.0210.01016.99
8.1.230.0220.00916.98
8.1.220.0260.00717.07
8.1.210.0260.00617.21
8.1.200.0190.01116.89
8.1.190.0240.00717.14
8.1.180.0250.00716.94
8.1.170.0220.00817.04
8.1.160.0240.00716.97
8.1.150.0220.00817.54
8.1.140.0250.00716.92
8.1.130.0240.01017.34
8.1.120.0260.00616.98
8.1.110.0230.01016.89
8.1.100.0240.00717.37
8.1.90.0230.01017.28
8.1.80.0270.00517.36
8.1.70.0280.00516.87
8.1.60.0260.01017.42
8.1.50.0270.00817.16
8.1.40.0260.00817.74
8.1.30.0260.00817.23
8.1.20.0290.00617.47
8.1.10.0270.00817.39
8.1.00.0260.00917.53

preferences:
25.07 ms | 403 KiB | 5 Q