3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ClassA extends \stdClass {} class ClassB extends \stdClass {} class ClassC extends ClassB {} class ClassD extends ClassA {} function getSomeClass(): string { return 'ClassA'; } var_dump(new (getSomeClass())); var_dump(new ('Class' . 'B')); var_dump(new ('Class' . 'C')); var_dump(new (ClassD::class));

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)
8.5.10.0120.00620.36
8.5.00.0120.01219.92
8.4.160.0140.01023.84
8.4.150.0020.00014.05
8.4.140.0250.00817.48
8.4.130.0230.00518.01
8.4.120.0240.00921.01
8.4.110.0270.00718.19
8.4.100.0250.00817.99
8.4.90.0260.00819.17
8.4.80.0210.00717.99
8.4.70.0240.01018.25
8.4.60.0240.00618.23
8.4.50.0220.00618.15
8.4.40.0240.01217.38
8.4.30.0250.00918.87
8.4.20.0260.01117.33
8.4.10.0300.00617.42
8.3.290.0140.00820.80
8.3.280.0120.01018.32
8.3.270.0270.00716.42
8.3.260.0260.00616.29
8.3.250.0260.00817.60
8.3.240.0250.00816.75
8.3.230.0270.00916.46
8.3.220.0250.00817.51
8.3.210.0260.00816.39
8.3.200.0210.00716.50
8.3.190.0210.00616.71
8.3.180.0260.00717.61
8.3.170.0220.00518.60
8.3.160.0230.00916.77
8.3.150.0210.00716.54
8.3.140.0260.00516.79
8.3.130.0210.00717.49
8.3.120.0240.00817.63
8.3.110.0220.00718.64
8.3.100.0240.00517.56
8.3.90.0210.01121.55
8.3.80.0180.01016.48
8.3.70.0250.00916.51
8.3.60.0270.00416.40
8.3.50.0220.00818.24
8.3.40.0200.01217.96
8.3.30.0220.00518.00
8.3.20.0160.00820.70
8.3.10.0180.00520.97
8.3.00.0210.00521.76
8.2.300.0150.00622.15
8.2.290.0220.00718.48
8.2.280.0180.00717.58
8.2.270.0170.01016.52
8.2.260.0230.00716.46
8.2.250.0190.00616.66
8.2.240.0170.00716.92
8.2.230.0180.00619.47
8.2.220.0210.00620.19
8.2.210.0240.00621.50
8.2.200.0220.00316.70
8.2.190.0240.00717.30
8.2.180.0230.00521.22
8.2.170.0230.00618.32
8.2.160.0220.00720.22
8.2.150.0200.00621.54
8.2.140.0170.01020.99
8.2.130.0200.00621.71
8.2.120.0190.00521.77
8.2.110.0260.00519.21
8.2.100.0250.00717.51
8.2.90.0190.00817.56
8.2.80.0230.00517.56
8.2.70.0160.00627.43
8.2.60.0180.00617.33
8.2.50.0210.00617.71
8.2.40.0180.00517.82
8.2.30.0190.00417.48
8.2.20.0150.00818.90
8.2.10.0170.00617.54
8.2.00.0160.00818.19
8.1.340.0120.00921.61
8.1.330.0230.00718.98
8.1.320.0220.00716.04
8.1.310.0170.00816.29
8.1.300.0170.00716.19
8.1.290.0180.00723.51
8.1.280.0210.00721.06
8.1.270.0130.01022.60
8.1.260.0180.00621.79
8.1.250.0170.00822.64
8.1.240.0190.00518.21
8.1.230.0160.00819.10
8.1.220.0190.00317.89
8.1.210.0190.00317.91
8.1.200.0170.00617.02
8.1.190.0180.00517.18
8.1.180.0170.00517.52
8.1.170.0190.00417.34
8.1.160.0170.00618.03
8.1.150.0170.00817.85
8.1.140.0160.00717.29
8.1.130.0220.00418.81
8.1.120.0160.00617.22
8.1.110.0170.00617.16
8.1.100.0150.00717.10
8.1.90.0170.00517.11
8.1.80.0120.00417.34
8.1.70.0120.00617.20
8.1.60.0120.00517.42
8.1.50.0110.00817.37
8.1.40.0130.00617.42
8.1.30.0120.00717.47
8.1.20.0210.00217.46
8.1.10.0180.00417.45
8.1.00.0150.00617.38
8.0.300.0200.00317.65
8.0.290.0160.00616.61
8.0.280.0150.00917.34
8.0.270.0170.00516.62
8.0.260.0170.00717.48
8.0.250.0180.00516.82
8.0.240.0170.00616.67
8.0.230.0170.00516.61
8.0.220.0190.00316.66
8.0.210.0120.00616.70
8.0.200.0130.00416.70
8.0.190.0130.00416.76
8.0.180.0130.00416.62
8.0.170.0120.00516.68
8.0.160.0110.00616.70
8.0.150.0140.00616.53
8.0.140.0110.00916.59
8.0.130.0180.00516.60
8.0.120.0160.00516.60
8.0.110.0140.00716.61
8.0.100.0180.00316.60
8.0.90.0120.00616.69
8.0.80.0170.00316.67
8.0.70.0130.00816.57
8.0.60.0150.00516.52
8.0.50.0140.00516.61
8.0.30.0120.00616.69
8.0.20.0150.00316.81
8.0.10.0120.00516.81
7.4.330.0160.00415.91
7.4.320.0140.00716.32
7.4.300.0100.00716.36
7.4.290.0150.00416.36
7.4.280.0140.00416.40
7.4.270.0140.00416.34
7.4.260.0140.00416.32
7.4.250.0130.00616.23
7.4.240.0130.00616.27
7.4.230.0150.00516.25
7.4.220.0150.00416.25
7.4.210.0140.00416.25
7.4.200.0120.00616.24
7.4.190.0170.00216.31
7.4.180.0120.00516.33
7.4.160.0120.00616.24
7.4.150.0130.00516.22
7.4.140.0150.00316.08
7.4.130.0120.00416.06
7.4.120.0170.00516.12
7.4.110.0140.00516.10
7.4.100.0130.00416.25
7.4.90.0130.00616.11
7.4.80.0120.00616.15
7.4.70.0130.00616.12
7.4.60.0160.00416.11
7.4.50.0140.00516.10
7.4.40.0140.00516.10
7.4.30.0160.00416.10
7.4.20.0170.00416.09
7.4.10.0150.00416.17
7.4.00.0190.00416.14

preferences:
112.77 ms | 403 KiB | 5 Q