3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public null $property = null; } function foo(null $param): null { return null; } $a = new A(); var_dump($a->property); var_dump(foo(null));

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)
8.5.30.0100.00619.56
8.5.20.0060.01117.84
8.5.10.0130.00816.59
8.5.00.0130.01119.62
8.4.180.0140.00719.71
8.4.170.0130.00823.84
8.4.160.0140.01023.77
8.4.150.0050.00116.88
8.4.140.0100.01017.48
8.4.130.0140.00619.37
8.4.120.0110.01120.59
8.4.110.0110.00822.61
8.4.100.0140.00717.71
8.4.90.0130.00718.75
8.4.80.0140.00617.70
8.4.70.0050.00417.93
8.4.60.0070.01318.84
8.4.50.0030.00520.25
8.4.40.0170.00318.68
8.4.30.0000.00822.43
8.4.20.0190.00022.49
8.4.10.0030.00623.94
8.3.300.0140.00620.72
8.3.290.0090.01218.58
8.3.280.0110.01120.05
8.3.270.0100.01016.50
8.3.260.0080.00616.28
8.3.250.0100.00718.71
8.3.240.0110.00916.57
8.3.230.0090.00716.44
8.3.220.0050.00217.30
8.3.210.0080.00618.34
8.3.200.0050.00416.52
8.3.190.0070.01016.97
8.3.180.0080.00318.39
8.3.170.0070.01116.96
8.3.160.0150.00418.45
8.3.150.0150.00420.65
8.3.140.0060.00316.62
8.3.130.0000.00818.49
8.3.120.0040.00418.81
8.3.110.0050.00318.23
8.3.100.0000.00818.38
8.3.50.0090.00018.43
8.2.300.0150.00718.04
8.2.290.0060.00420.50
8.2.280.0100.00922.59
8.2.270.0000.00817.27
8.2.260.0100.00718.74
8.2.250.0040.00418.23
8.2.240.0080.00017.05
8.2.230.0170.00318.14
8.2.220.0160.00318.07
8.2.90.0330.00517.50
8.2.80.0260.00317.25
8.2.70.0310.00017.25
8.2.60.0310.00017.38
8.2.50.0210.01117.38
8.2.40.0220.00417.13
8.2.30.0210.00617.35
8.2.20.0200.00717.63
8.2.10.0310.00017.47
8.2.00.0210.00617.38
8.1.340.0110.01019.45
8.1.330.0110.00721.86
8.1.320.0130.00516.28
8.1.310.0080.00016.72
8.1.300.0190.00016.15
8.1.220.0180.01117.23
8.1.210.0240.00416.63
8.1.200.0220.00716.63
8.1.190.0280.00016.88
8.1.180.0260.00016.75
8.1.170.0200.00717.00
8.1.160.0230.00317.00
8.1.150.0220.00517.00
8.1.140.0270.00016.97
8.1.130.0200.00717.21
8.1.120.0210.00517.00
8.1.110.0220.00417.00
8.1.100.0210.00717.13
8.1.90.0160.01016.88
8.1.80.0160.01017.12
8.1.70.0190.00817.00
8.1.60.0240.00316.88
8.1.50.0210.00717.00
8.1.40.0270.00317.25
8.1.30.0150.01517.13
8.1.20.0250.00417.13
8.1.10.0200.00717.13
8.1.00.0210.00617.13
8.0.300.0220.00616.49
8.0.290.0280.00016.35
8.0.280.0260.00016.50
8.0.270.0230.00416.50
8.0.260.0270.00016.50
8.0.250.0230.00417.95
8.0.240.0320.00016.50
8.0.230.0200.00516.34
8.0.220.0210.00316.50
8.0.210.0130.01316.63
8.0.200.0170.00916.36
8.0.190.0210.00516.38
8.0.180.0230.00316.37
8.0.170.0260.00016.63
8.0.160.0250.00016.61
8.0.150.0180.00716.37
8.0.140.0130.01316.50
8.0.130.0210.00416.38
8.0.120.0160.01016.34
8.0.110.0250.00016.63
8.0.100.0170.00716.38
8.0.90.0250.00016.23
8.0.80.0250.00316.34
8.0.70.0220.00416.63
8.0.60.0310.00016.50
8.0.50.0260.00016.49
8.0.30.0180.00716.38
8.0.20.0250.00616.75
8.0.10.0210.00416.37

preferences:
49.4 ms | 977 KiB | 5 Q