3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* testReadonlyClass */ readonly class ReadOnlyClass {} /* testFinalReadonlyClass */ final readonly class FinalReadOnlyClass {} /* testReadonlyFinalClass */ readonly /*comment*/ final class ReadOnlyFinalClass {} /* testAbstractReadonlyClass */ abstract readonly class AbstractReadOnlyClass {} /* testAbstractReadonlyClass */ readonly abstract class ReadOnlyAbstractClass {}

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)
8.4.120.0100.01224.11
8.4.110.0140.00822.36
8.4.100.0130.00817.45
8.4.90.0130.00818.48
8.4.80.0130.00717.63
8.4.70.0090.00817.83
8.4.60.0130.00718.78
8.4.50.0110.00917.26
8.4.40.0070.01418.05
8.4.30.0130.00718.92
8.4.20.0040.01817.87
8.4.10.0060.00323.61
8.3.250.0110.00518.83
8.3.240.0130.00517.21
8.3.230.0110.00716.61
8.3.220.0110.00717.14
8.3.210.0100.00816.74
8.3.200.0040.00516.54
8.3.190.0120.00719.05
8.3.180.0060.00816.53
8.3.170.0150.00318.68
8.3.160.0090.01016.32
8.3.150.0040.01420.65
8.3.140.0080.00016.62
8.3.130.0090.00618.07
8.3.120.0040.00418.70
8.3.110.0040.00416.55
8.3.100.0080.00016.28
8.3.50.0030.00618.30
8.2.290.0140.00420.29
8.2.280.0070.00118.07
8.2.270.0080.00017.30
8.2.260.0130.00718.41
8.2.250.0120.00616.57
8.2.240.0070.01018.94
8.2.230.0080.01116.23
8.2.220.0030.00516.27
8.1.330.0140.00422.03
8.1.320.0080.01215.88
8.1.310.0140.00016.73
8.1.300.0080.00415.91
8.1.110.0030.00517.18
8.1.100.0110.00617.13
8.1.90.0070.00817.24
8.1.80.0090.00717.20
8.1.70.0100.00617.16
8.1.60.0140.00417.27
8.1.50.0050.01317.20
8.1.40.0110.00817.29
8.1.30.0140.00417.40
8.1.20.0150.00317.34
8.1.10.0150.00317.33
8.1.00.0120.00717.21
8.0.240.0130.00016.81
8.0.230.0080.00816.79
8.0.220.0050.01016.70
8.0.210.0100.00516.75
8.0.200.0050.01016.80
8.0.190.0100.00416.72
8.0.180.0100.00516.80
8.0.170.0060.00916.79
8.0.160.0100.00616.72
8.0.150.0130.00216.67
8.0.140.0120.00316.74
8.0.130.0100.00616.65
8.0.120.0060.00916.77
8.0.110.0120.00216.66
8.0.100.0060.00916.77
8.0.90.0060.00916.68
8.0.80.0090.00616.75
8.0.70.0100.00316.70
8.0.60.0090.00516.72
8.0.50.0130.00116.65
8.0.30.0070.00716.70
8.0.20.0100.00416.76
8.0.10.0110.00316.78
7.4.320.0080.00516.35
7.4.300.0130.00316.22
7.4.290.0110.00516.29
7.4.280.0130.00416.32
7.4.270.0080.00916.28
7.4.260.0090.00816.24
7.4.250.0120.00216.19
7.4.240.0100.00516.37
7.4.230.0100.00516.24
7.4.220.0110.00316.16
7.4.210.0130.00216.28
7.4.200.0100.00416.27
7.4.190.0120.00216.25
7.4.180.0040.00616.31
7.4.160.0060.00516.19
7.4.150.0020.00916.12
7.4.140.0070.00515.92
7.4.130.0080.00415.90
7.4.120.0080.00315.90
7.4.110.0110.00216.13
7.4.100.0110.00116.05
7.4.90.0100.00215.97
7.4.80.0090.00316.11
7.4.70.0070.00516.02
7.4.60.0070.00416.00
7.4.50.0050.00516.07
7.4.40.0060.00615.83
7.4.30.0110.00216.14
7.4.20.0080.00315.96
7.4.10.0090.00216.08
7.4.00.0070.00516.06

preferences:
56.82 ms | 403 KiB | 5 Q