3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait T { abstract function foo(): string; } abstract class A { use T; } /* class B extends A { // This fatals as expected function foo() { return 'some string'; } } */ class C { use T; // This does not function foo() { return 'some string'; } } class D { use T; // This ALSO does not function foo(): int { return 3; } } abstract class E { use T; // Nor this function foo() { return 'some thing'; } }

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)
8.3.60.0040.01116.47
8.3.50.0100.00317.95
8.3.40.0070.01418.67
8.3.30.0090.00618.71
8.3.20.0000.00721.77
8.3.10.0030.00623.48
8.3.00.0040.00423.51
8.2.180.0100.00625.92
8.2.170.0110.01118.77
8.2.160.0030.01022.96
8.2.150.0080.00024.18
8.2.140.0080.00824.66
8.2.130.0080.00021.07
8.2.120.0100.00026.35
8.2.110.0060.00320.98
8.2.100.0120.00017.59
8.2.90.0000.00719.46
8.2.80.0000.00817.97
8.2.70.0030.00617.91
8.2.60.0030.00517.90
8.2.50.0080.00018.10
8.2.40.0060.00320.77
8.2.30.0040.00419.10
8.2.20.0000.00717.95
8.2.10.0040.00417.86
8.2.00.0040.00418.04
8.1.280.0000.01525.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0090.00028.09
8.1.240.0060.00322.58
8.1.230.0040.00820.80
8.1.220.0040.00417.74
8.1.210.0030.00518.97
8.1.200.0000.00817.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0000.00918.61
8.1.160.0000.00818.75
8.1.150.0040.00418.86
8.1.140.0070.00017.63
8.1.130.0000.00718.95
8.1.120.0000.00717.29
8.1.110.0040.00417.31
8.1.100.0000.01017.36
8.1.90.0070.00017.42
8.1.80.0030.00517.27
8.1.70.0070.00017.36
8.1.60.0060.00317.50
8.1.50.0040.00417.43
8.1.40.0040.00817.48
8.1.30.0030.00517.54
8.1.20.0000.00717.49
8.1.10.0000.00717.28
8.1.00.0000.00917.30
8.0.300.0030.00519.97
8.0.290.0060.00316.63
8.0.280.0040.00418.38
8.0.270.0040.00317.20
8.0.260.0030.00317.06
8.0.250.0070.00017.01
8.0.240.0000.00716.91
8.0.230.0040.00416.96
8.0.220.0070.00416.95
8.0.210.0000.00716.91
8.0.200.0000.00717.00
8.0.190.0040.00416.92
8.0.180.0070.00016.82
8.0.170.0000.00916.80
8.0.160.0000.00716.78
8.0.150.0030.00416.80
8.0.140.0000.00816.89
8.0.130.0070.00013.31
8.0.120.0000.00716.80
8.0.110.0030.00516.93
8.0.100.0040.00416.70
8.0.90.0000.00716.77
8.0.80.0120.00316.91
8.0.70.0040.00416.89
8.0.60.0070.00016.75
8.0.50.0040.00416.89
8.0.30.0080.01116.92
8.0.20.0100.00817.40
8.0.10.0000.00716.88
8.0.00.0120.00816.63
7.4.330.0020.00215.55
7.4.320.0000.00716.54
7.4.300.0000.00616.48
7.4.290.0000.00716.42
7.4.280.0040.00416.32
7.4.270.0030.00316.37
7.4.260.0070.00016.41
7.4.250.0030.00316.32
7.4.240.0070.00016.39
7.4.230.0030.00316.61
7.4.220.0050.00316.34
7.4.210.0120.00516.45
7.4.200.0050.00216.51
7.4.160.0100.00616.46
7.4.140.0140.00717.86
7.4.130.0070.01016.30
7.4.120.0100.01216.36
7.4.110.0130.00716.36
7.4.100.0060.01616.20
7.4.90.0050.01116.42
7.4.80.0150.00919.39
7.4.70.0120.00416.56
7.4.60.0030.01316.43
7.4.50.0000.01116.03
7.4.40.0160.00616.22
7.4.00.0100.00614.70
7.3.330.0000.00513.20
7.3.320.0030.00313.01
7.3.310.0030.00316.18
7.3.300.0000.00716.14
7.3.290.0060.00016.15
7.3.280.0100.00716.15
7.3.260.0080.01116.42
7.3.240.0090.00816.35
7.3.230.0030.01416.55
7.3.210.0070.01016.26
7.3.200.0110.00716.43
7.3.190.0120.00416.30
7.3.180.0100.00616.22
7.3.170.0030.01616.50
7.3.160.0030.01816.25
7.2.330.0130.01016.34
7.2.320.0200.00316.57
7.2.310.0140.00416.29
7.2.300.0150.00416.56
7.2.290.0090.00916.63
7.2.60.0080.00516.51
7.2.40.2980.01317.80
7.2.30.2390.01417.99
7.2.20.2320.01417.88
7.2.10.2760.01017.76
7.2.00.1960.01417.57
7.1.200.0080.00315.65
7.1.160.2120.00916.34
7.1.150.2160.01216.39
7.1.140.2270.00716.66
7.1.130.2160.00916.71
7.1.120.1880.01116.55
7.1.110.2340.00916.36
7.1.100.2090.01015.98
7.1.90.2660.00916.29
7.1.80.3400.00516.22
7.1.70.4020.01015.09
7.1.60.4730.01533.34
7.1.50.5150.01532.89
7.1.40.0360.01632.69
7.1.30.0370.01332.56
7.1.20.0270.01132.68
7.1.10.0110.00814.88
7.1.00.0080.01114.88

preferences:
80.43 ms | 400 KiB | 5 Q