3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X {} class Y extends X {} class A { function f(): X {} } class B extends A { function f(): Y {} }

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)
8.3.70.0070.00716.38
8.3.60.0040.01116.63
8.3.50.0150.00521.07
8.3.40.0090.00618.57
8.3.30.0070.00718.30
8.3.20.0100.00720.29
8.3.10.0000.00821.59
8.3.00.0040.00421.77
8.2.190.0060.00916.58
8.2.180.0070.01016.48
8.2.170.0110.00422.96
8.2.160.0120.00420.25
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00420.98
8.2.120.0040.00426.35
8.2.110.0120.00622.16
8.2.100.0070.00417.91
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0050.00517.50
8.2.60.0040.00417.65
8.2.50.0030.00818.09
8.2.40.0000.00822.34
8.2.30.0000.00719.29
8.2.20.0000.00817.63
8.2.10.0080.00017.90
8.2.00.0050.00317.92
8.1.280.0070.00725.92
8.1.270.0130.00322.05
8.1.260.0030.00628.09
8.1.250.0070.00028.09
8.1.240.0060.00324.01
8.1.230.0110.00020.27
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0040.00417.10
8.1.190.0050.00317.10
8.1.180.0080.00018.10
8.1.170.0040.00418.44
8.1.160.0070.00020.68
8.1.150.0000.00818.76
8.1.140.0040.00419.46
8.1.130.0000.00717.56
8.1.120.0040.00417.23
8.1.110.0000.00717.23
8.1.100.0070.00017.16
8.1.90.0050.00317.34
8.1.80.0040.00417.35
8.1.70.0030.00317.38
8.1.60.0000.00917.35
8.1.50.0030.00517.44
8.1.40.0000.00817.29
8.1.30.0050.00317.44
8.1.20.0000.00717.52
8.1.10.0000.00717.34
8.1.00.0000.00717.33
8.0.300.0000.00718.77
8.0.290.0000.00716.58
8.0.280.0000.00718.25
8.0.270.0000.00717.13
8.0.260.0000.00717.12
8.0.250.0050.00316.87
8.0.240.0050.00316.84
8.0.230.0030.00316.86
8.0.220.0030.00516.78
8.0.210.0030.00316.73
8.0.200.0030.00316.82
8.0.190.0000.00716.87
8.0.180.0040.00416.62
8.0.170.0040.00416.77
8.0.160.0070.00016.84
8.0.150.0000.00716.61
8.0.140.0040.00416.60
8.0.130.0000.00513.21
8.0.120.0030.00516.66
8.0.110.0000.00716.83
8.0.100.0030.00516.75
8.0.90.0000.00716.81
8.0.80.0060.00916.71
8.0.70.0020.00516.73
8.0.60.0040.00316.75
8.0.50.0000.00716.66
8.0.30.0100.00517.03
8.0.20.0110.00817.40
8.0.10.0030.00616.90
8.0.00.0120.00916.60
7.4.330.0050.00016.69
7.4.320.0000.00616.47
7.4.300.0040.00416.35
7.4.290.0070.00016.52
7.4.280.0030.00616.44
7.4.270.0030.00316.46
7.4.260.0000.00716.47
7.4.250.0000.00816.41
7.4.240.0000.00716.47
7.4.230.0000.00716.37
7.4.220.0030.02116.36
7.4.210.0080.00616.27
7.4.200.0070.00016.11
7.4.160.0060.00916.48
7.4.150.0040.01517.40
7.4.140.0060.01217.86
7.4.130.0130.00616.40
7.4.120.0110.01016.32
7.4.110.0080.00816.37
7.4.100.0120.00416.20
7.4.90.0150.00916.46
7.4.80.0130.00319.39
7.4.70.0070.01016.41
7.4.60.0120.01116.53
7.4.50.0070.00716.39
7.4.40.0120.00316.45
7.4.30.0180.00616.15
7.3.330.0020.00213.23
7.3.320.0050.00013.23
7.3.310.0030.00316.23
7.3.300.0070.00016.14
7.3.290.0080.00916.23
7.3.280.0110.00816.24
7.3.270.0070.01017.40
7.3.260.0100.00716.20
7.3.240.0080.01016.25
7.3.230.0060.01616.39
7.3.210.0070.01116.41
7.3.200.0110.00619.39
7.3.190.0060.01216.35
7.3.180.0110.00816.31
7.3.170.0170.00016.30
7.3.160.0080.00816.27
7.2.330.0080.01616.36
7.2.320.0100.00716.31
7.2.310.0110.01516.58
7.2.300.0160.00816.44
7.2.290.0100.00616.30
7.0.20.0200.05020.22
7.0.10.0070.05320.26
7.0.00.0070.08720.20
5.6.170.0270.06020.55
5.6.160.0070.08320.41
5.6.150.0100.03318.18
5.6.140.0130.07718.17
5.6.130.0130.06318.15
5.6.120.0100.05020.99
5.6.110.0030.05720.96
5.6.100.0100.07721.00
5.6.90.0070.05321.12
5.6.80.0070.07320.53
5.5.310.0400.04720.39
5.5.300.0100.07717.92
5.5.290.0070.08317.95
5.5.280.0130.08020.88
5.5.270.0070.04320.87
5.5.260.0030.05720.76
5.5.250.0030.09020.69
5.5.240.0130.08020.13

preferences:
48.41 ms | 401 KiB | 5 Q