3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A{}; class B{}; /* @var A $a */ $a = unserialize(serialize(new A())); assert($a instanceof A); var_dump($a);

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)
8.5.30.0100.00919.37
8.5.20.0080.01019.44
8.5.10.0090.00920.16
8.5.00.0110.01020.13
8.4.180.0150.00719.65
8.4.170.0140.00623.69
8.4.160.0110.01223.12
8.4.150.0080.00416.89
8.4.140.0150.00717.37
8.4.130.0140.00517.79
8.4.120.0040.00420.65
8.4.110.0100.01122.48
8.4.100.0160.00517.63
8.4.90.0160.00518.13
8.4.80.0040.00518.02
8.4.70.0070.01217.93
8.4.60.0090.00718.66
8.4.50.0080.01217.56
8.4.40.0130.00619.47
8.4.30.0000.00820.52
8.4.20.0100.01019.86
8.4.10.0090.00023.77
8.3.300.0110.00819.14
8.3.290.0120.00920.75
8.3.280.0130.00718.39
8.3.270.0140.00616.53
8.3.260.0100.00716.64
8.3.250.0020.00618.69
8.3.240.0130.00716.55
8.3.230.0100.00916.50
8.3.220.0140.00517.20
8.3.210.0100.00616.73
8.3.200.0040.00516.45
8.3.190.0130.00520.87
8.3.180.0040.00416.74
8.3.170.0110.01117.13
8.3.160.0100.01016.48
8.3.150.0090.00917.13
8.3.140.0040.00417.01
8.3.130.0030.00618.37
8.3.120.0060.00320.85
8.3.110.0000.00818.20
8.3.100.0060.00318.24
8.3.90.0060.00926.77
8.3.80.0060.00318.31
8.3.70.0100.01016.58
8.3.60.0160.00616.38
8.3.50.0150.00420.13
8.3.40.0110.00720.21
8.3.30.0110.00418.51
8.3.20.0000.00724.18
8.3.10.0050.00324.66
8.3.00.0050.00326.16
8.2.300.0130.00718.09
8.2.290.0120.00620.32
8.2.280.0120.00618.54
8.2.270.0120.00618.77
8.2.260.0110.00319.02
8.2.250.0030.01017.27
8.2.240.0030.00617.27
8.2.230.0060.00320.94
8.2.220.0030.00624.06
8.2.210.0040.00426.77
8.2.200.0050.00518.29
8.2.190.0090.00618.19
8.2.180.0110.00325.92
8.2.170.0040.01118.98
8.2.160.0060.00922.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00421.10
8.2.110.0030.00720.48
8.2.100.0000.01120.27
8.1.340.0130.00717.59
8.1.330.0120.00718.27
8.1.320.0070.01216.18
8.1.310.0080.00819.66
8.1.300.0110.00715.99
8.1.290.0060.00330.84
8.1.280.0040.01125.92
8.1.270.0170.00321.78
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0120.00018.41
8.1.230.0110.00018.41
8.1.120.0010.00719.23

preferences:
42.49 ms | 844 KiB | 5 Q