3v4l.org

run code in 500+ PHP versions simultaneously
<?php class x { function foo() : int {} } class y extends x { function foo() : never {} }

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)
8.5.80.0060.00116.72
8.5.70.0080.01016.80
8.5.60.0110.00816.67
8.5.50.0090.00918.21
8.5.30.0090.00817.90
8.5.20.0080.01220.21
8.5.10.0080.01116.50
8.5.00.0030.00822.85
8.4.230.0090.01319.29
8.4.220.0130.00921.24
8.4.210.0110.00619.27
8.4.180.0140.00719.57
8.4.170.0090.01423.90
8.4.160.0140.00623.93
8.4.150.0070.00516.84
8.4.140.0120.00917.54
8.4.130.0110.00917.71
8.4.120.0130.00520.45
8.4.110.0270.00717.49
8.4.100.0280.00717.28
8.4.90.0200.00517.46
8.4.80.0290.00717.44
8.4.70.0280.00717.53
8.4.60.0210.00417.59
8.4.50.0260.00517.46
8.4.40.0170.00517.50
8.4.30.0240.00317.13
8.4.20.0200.00417.24
8.4.10.0210.00517.33
8.3.320.0120.00818.28
8.3.310.0090.01218.29
8.3.300.0120.00918.20
8.3.290.0130.01118.60
8.3.280.0060.00318.23
8.3.270.0100.01016.61
8.3.260.0080.01116.74
8.3.250.0260.00516.41
8.3.240.0220.00716.25
8.3.230.0180.00216.56
8.3.220.0270.00616.33
8.3.210.0200.00316.57
8.3.200.0290.00516.22
8.3.190.0330.00516.25
8.3.180.0270.00816.38
8.3.170.0280.00716.48
8.3.160.0220.00316.15
8.3.150.0190.00216.39
8.3.140.0200.00516.40
8.3.130.0190.00516.41
8.3.120.0160.00516.37
8.3.110.0220.00316.20
8.3.100.0270.00516.49
8.3.90.0260.00416.52
8.3.80.0170.00516.45
8.3.70.0190.00416.25
8.3.60.0180.00516.46
8.3.50.0170.00616.41
8.3.40.0170.00617.08
8.3.30.0140.00617.12
8.3.20.0240.00417.19
8.3.10.0230.00417.18
8.3.00.0100.00417.32
8.2.320.0140.00618.01
8.2.310.0080.01118.06
8.2.300.0090.01117.94
8.2.290.0160.00416.52
8.2.280.0160.00416.38
8.2.270.0190.00616.20
8.2.260.0210.00616.33
8.2.250.0200.00416.43
8.2.240.0190.00416.41
8.2.230.0190.00516.11
8.2.220.0200.00416.42
8.2.210.0150.00516.36
8.2.200.0170.00416.18
8.2.190.0160.00516.33
8.2.180.0140.00516.20
8.2.170.0170.00417.41
8.2.160.0190.00417.29
8.2.150.0160.00417.36
8.2.140.0190.00317.28
8.2.130.0270.00317.38
8.2.120.0240.00417.43
8.2.110.0200.00517.48
8.2.100.0190.00317.40
8.2.90.0160.00417.49
8.2.80.0170.00517.34
8.2.70.0190.00517.47
8.2.60.0180.00417.16
8.2.50.0170.00417.04
8.2.40.0160.00517.42
8.2.30.0180.00617.26
8.2.20.0280.00617.33
8.2.10.0220.00417.27
8.2.00.0250.00717.47
8.1.340.0120.00817.52

preferences:
53.48 ms | 872 KiB | 5 Q