3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo(): mixed { return null; } } class B extends A { public function foo(): C { return new C; } } new B;

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)
8.3.70.0110.00718.06
8.3.60.0080.00816.74
8.3.50.0100.01017.91
8.3.40.0070.00719.10
8.3.30.0040.01518.59
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0030.00526.16
8.2.190.0070.00716.58
8.2.180.0070.00725.92
8.2.170.0070.00718.75
8.2.160.0100.01022.96
8.2.150.0060.00325.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.01121.00
8.2.110.0050.00520.99
8.2.100.0040.00817.66
8.2.90.0040.00419.64
8.2.80.0000.00920.48
8.2.70.0080.00017.38
8.2.60.0080.00017.50
8.2.50.0030.00617.55
8.2.40.0060.00319.10
8.2.30.0030.00617.55
8.2.20.0000.00719.40
8.2.10.0040.00417.53
8.2.00.0000.00719.00
8.1.280.0190.00325.92
8.1.270.0100.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.14
8.1.230.0050.00520.92
8.1.220.0040.00417.74
8.1.210.0040.00418.84
8.1.200.0040.00417.23
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0000.00717.62
8.1.160.0040.00418.77
8.1.150.0000.00818.42
8.1.140.0060.00317.27
8.1.130.0000.00817.31
8.1.120.0030.00317.26
8.1.110.0040.00417.34
8.1.100.0000.00717.24
8.1.90.0000.00817.31
8.1.80.0030.00517.34
8.1.70.0000.00717.24
8.1.60.0000.00817.50
8.1.50.0050.00317.43
8.1.40.0040.00417.38
8.1.30.0030.00617.50
8.1.20.0000.00817.52
8.1.10.0030.00617.54
8.1.00.0040.00417.32
8.0.300.0030.00620.13
8.0.290.0060.00316.63
8.0.280.0040.00417.93
8.0.270.0060.00316.67
8.0.260.0030.00316.73
8.0.250.0030.00316.84
8.0.240.0000.00816.77
8.0.230.0000.00716.71
8.0.220.0040.00416.75
8.0.210.0040.00416.79
8.0.200.0000.00716.73
8.0.190.0000.00816.79
8.0.180.0000.00716.74
8.0.170.0040.00416.75
8.0.160.0040.00416.73
8.0.150.0030.00316.65
8.0.140.0000.00816.64
8.0.130.0030.00313.25
8.0.120.0000.00613.15
8.0.110.0120.00013.14
8.0.100.0120.00013.11
8.0.90.0060.00613.16
8.0.80.0110.00313.14
8.0.70.0100.00313.07
8.0.60.0070.00613.18
8.0.50.0080.00513.26
8.0.30.0060.00613.31
8.0.20.0090.00313.34
8.0.10.0140.00013.35
8.0.00.0000.00813.42
7.4.330.0020.00215.55
7.4.320.0030.00316.34
7.4.300.0040.00416.51
7.4.290.0080.00016.44
7.4.280.0040.00416.38
7.4.270.0030.00316.53
7.4.260.0030.00313.23
7.4.250.0110.00513.18
7.4.240.0160.00013.19
7.4.230.0040.00913.10
7.4.220.0100.00313.17
7.4.210.0070.00713.17
7.4.200.0100.00313.20
7.4.190.0040.00913.26
7.4.180.0090.00313.25
7.4.160.0130.00013.15
7.4.150.0040.00813.17
7.4.140.0130.00013.03
7.4.130.0090.00413.05
7.4.120.0110.00313.10
7.4.110.0050.00913.02
7.4.100.0140.00013.29
7.4.90.0080.00513.13
7.4.80.0030.00913.12
7.4.70.0090.00313.13
7.4.60.0050.00512.95
7.4.50.0070.00412.88
7.4.40.0080.00312.91
7.4.30.0000.00712.92
7.4.20.0090.00313.10
7.4.10.0080.00413.12
7.4.00.0050.00513.20
7.3.330.0040.00416.22
7.3.320.0000.00713.21
7.3.310.0110.00013.01
7.3.300.0100.00212.96
7.3.290.0110.00313.14
7.3.280.0100.00213.21
7.3.270.0100.00213.20
7.3.260.0080.00413.24
7.3.250.0070.00712.93
7.3.240.0070.00513.00
7.3.230.0070.00513.16
7.3.220.0120.00013.08
7.3.210.0080.00413.07
7.3.200.0040.00812.97
7.3.190.0050.00513.16
7.3.180.0090.00212.90
7.3.170.0080.00413.14
7.3.160.0060.00612.97
7.3.150.0140.00013.11
7.3.140.0130.00013.09
7.3.130.0080.00512.96
7.3.120.0090.00312.95
7.3.110.0140.00012.88
7.3.100.0040.00812.86
7.3.90.0100.00313.42
7.3.80.0070.00513.08
7.3.70.0100.00313.28
7.3.60.0100.00413.13
7.3.50.0130.00013.24
7.3.40.0060.00313.15
7.3.30.0050.00413.07
7.3.20.0030.00614.75
7.3.10.0050.00514.96
7.3.00.0060.00314.57

preferences:
71.36 ms | 401 KiB | 5 Q