3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyDTO{ public ?int $propA; public ?int $propB; } $dto = new MyDTO(); $dto->propA = null; echo isset($dto->propA) ? 'init' : 'not-init';

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)
8.4.140.0120.01017.68
8.4.130.0140.00617.64
8.4.120.0120.00420.70
8.4.110.0110.01022.39
8.4.100.0130.00717.46
8.4.90.0130.01018.71
8.4.80.0100.01117.80
8.4.70.0100.00517.99
8.4.60.0130.00920.44
8.4.50.0040.00618.79
8.4.40.0130.00717.73
8.4.30.0100.00719.09
8.4.20.0170.00319.75
8.4.10.0030.00619.27
8.3.270.0110.00816.34
8.3.260.0130.00616.57
8.3.250.0060.00618.79
8.3.240.0070.00316.54
8.3.230.0050.00416.63
8.3.220.0130.00817.05
8.3.210.0090.01216.48
8.3.200.0050.00316.84
8.3.190.0050.00316.59
8.3.180.0110.00716.62
8.3.170.0190.00018.79
8.3.160.0120.00616.46
8.3.150.0040.00416.95
8.3.140.0150.00316.71
8.3.130.0150.00018.41
8.3.120.0070.01120.91
8.3.110.0120.00616.47
8.3.100.0040.00416.48
8.3.90.0070.01126.77
8.3.80.0040.00818.56
8.3.70.0380.00316.58
8.3.60.0250.00616.58
8.3.50.0100.00318.43
8.3.40.0170.00717.38
8.3.30.0180.00617.59
8.3.20.0160.00817.48
8.3.10.0230.00017.50
8.3.00.0200.00417.21
8.2.290.0110.00920.43
8.2.280.0130.00518.34
8.2.270.0060.01217.07
8.2.260.0030.00516.95
8.2.250.0000.00918.38
8.2.240.0030.00618.95
8.2.230.0040.00422.58
8.2.220.0040.00424.06
8.2.210.0100.00726.77
8.2.200.0120.00018.41
8.2.190.0210.00316.58
8.2.180.0230.00016.58
8.2.170.0150.00617.72
8.2.160.0170.00617.63
8.2.150.0200.00317.63
8.2.140.0230.00717.63
8.2.130.0180.00917.25
8.2.120.0250.00317.25
8.2.110.0250.00017.25
8.2.100.0220.00417.35
8.2.90.0190.00617.25
8.2.80.0230.00017.25
8.2.70.0160.00617.37
8.2.60.0280.00017.50
8.2.50.0220.00017.63
8.2.40.0200.00717.50
8.2.30.0240.00917.25
8.2.20.0240.00417.63
8.2.10.0180.00317.25
8.2.00.0260.00417.00
8.1.330.0150.00421.86
8.1.320.0100.00716.23
8.1.310.0070.01118.20
8.1.300.0040.00416.02
8.1.290.0060.00330.84
8.1.280.0260.00016.58
8.1.270.0180.00617.24
8.1.260.0250.00317.12
8.1.250.0200.00817.38
8.1.240.0180.00417.36
8.1.230.0210.00317.13
8.1.220.0190.00517.23
8.1.210.0170.00416.99
8.1.200.0170.00717.25
8.1.190.0160.00617.22
8.1.180.0130.01316.88
8.1.170.0270.00017.25
8.1.160.0190.00517.13
8.1.150.0200.00317.10
8.1.140.0190.00316.98
8.1.130.0140.00717.09
8.1.120.0240.00017.13
8.1.110.0170.00717.22
8.1.100.0240.00717.22
8.1.90.0450.00717.13
8.1.80.0310.00917.13
8.1.70.0180.01217.25
8.1.60.0240.01017.46
8.1.50.0300.00016.88
8.1.40.0110.01117.09
8.1.30.0220.00017.47
8.1.20.0250.00017.38
8.1.10.0230.00317.13
8.1.00.0270.00317.25

preferences:
28.31 ms | 403 KiB | 5 Q