3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); const DEFAULT_VALUE = null; function foo(bool $arg = DEFAULT_VALUE) { var_dump($arg); } var_dump((new ReflectionFunction('foo'))->getParameters()[0]->allowsNull());

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)
8.5.30.0090.00819.05
8.5.20.0120.00519.39
8.5.10.0130.00516.59
8.5.00.0140.00721.79
8.4.180.0150.00819.67
8.4.170.0110.01123.64
8.4.160.0080.01323.84
8.4.150.0070.00516.81
8.4.140.0080.00117.50
8.4.130.0140.00517.88
8.4.120.0090.00320.58
8.4.110.0040.00722.40
8.4.100.0110.01017.75
8.4.90.0120.00917.45
8.4.80.0120.00817.73
8.4.70.0110.01017.73
8.4.60.0140.00717.46
8.4.50.0100.01118.68
8.4.40.0080.00017.49
8.4.30.0090.00619.29
8.4.20.0080.01219.03
8.4.10.0040.00417.67
8.3.300.0140.00718.33
8.3.290.0150.00518.36
8.3.280.0120.00818.35
8.3.270.0100.01016.61
8.3.260.0130.00616.56
8.3.250.0050.00419.03
8.3.240.0100.00916.37
8.3.230.0100.01016.61
8.3.220.0090.00917.13
8.3.210.0100.00816.47
8.3.200.0120.00716.56
8.3.190.0120.00718.52
8.3.180.0030.00518.28
8.3.170.0130.00618.89
8.3.160.0110.00718.41
8.3.150.0120.00618.25
8.3.140.0080.00816.63
8.3.130.0080.00018.46
8.3.120.0000.01918.97
8.3.110.0050.00520.94
8.3.100.0040.00416.63
8.3.90.0120.00616.70
8.3.80.0090.00017.97
8.3.70.0120.00316.63
8.3.60.0120.00318.16
8.3.50.0080.00918.29
8.3.40.0090.00618.85
8.3.30.0040.01218.69
8.3.20.0050.00318.70
8.3.10.0050.00219.21
8.3.00.0080.00023.70
8.2.300.0150.00618.07
8.2.290.0060.00422.24
8.2.280.0110.00920.11
8.2.270.0150.00318.68
8.2.260.0060.00318.68
8.2.250.0050.00316.48
8.2.240.0030.00617.15
8.2.230.0030.00522.58
8.2.220.0060.00324.06
8.2.210.0120.00326.77
8.2.200.0080.00018.49
8.2.190.0120.00316.58
8.2.180.0040.01216.38
8.2.170.0110.00422.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.64
8.2.120.0040.00426.35
8.2.110.0090.00022.28
8.2.100.0120.00019.38
8.2.90.0050.00517.91
8.2.80.0000.00819.02
8.2.70.0040.00417.25
8.2.60.0040.00417.63
8.2.50.0040.00417.55
8.2.40.0000.00919.42
8.2.30.0040.00419.50
8.2.20.0000.00718.18
8.2.10.0070.00018.21
8.2.00.0040.00419.59
8.1.340.0090.01019.80
8.1.330.0080.01016.55
8.1.320.0110.01216.07
8.1.310.0120.00316.46
8.1.300.0030.00616.01
8.1.290.0000.00918.88
8.1.280.0110.00725.92
8.1.270.0070.00022.14
8.1.260.0100.00026.35
8.1.250.0120.00428.09
8.1.240.0040.00423.93
8.1.230.0040.00822.82
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0040.00417.25
8.1.190.0000.00917.35
8.1.180.0040.00418.10
8.1.170.0050.00318.65
8.1.160.0050.00218.92
8.1.150.0030.00518.87
8.1.140.0040.00417.59
8.1.130.0050.00318.93
8.1.120.0050.00217.43
8.1.110.0000.00817.35
8.1.100.0040.00417.44
8.1.90.0050.00317.29
8.1.80.0030.00317.38
8.1.70.0040.00417.29
8.1.60.0040.00417.41
8.1.50.0030.00517.47
8.1.40.0070.00017.41
8.1.30.0040.00417.62
8.1.20.0040.00417.57
8.1.10.0030.00617.40
8.1.00.0030.00617.39
8.0.300.0030.00620.14
8.0.290.0070.00016.58
8.0.280.0030.00318.39
8.0.270.0030.00317.18
8.0.260.0000.00719.00
8.0.250.0030.00316.89
8.0.240.0000.00816.87
8.0.230.0020.00516.80
8.0.220.0040.00416.75
8.0.210.0000.00716.81
8.0.200.0050.00316.89
8.0.190.0030.00616.92
8.0.180.0000.00916.83
8.0.170.0000.00816.74
8.0.160.0000.00716.80
8.0.150.0030.00616.71
8.0.140.0040.00416.71
8.0.130.0000.00513.20
8.0.120.0040.00416.71
8.0.110.0040.00416.76
8.0.100.0060.00316.68
8.0.90.0070.00016.82
8.0.80.0090.00616.79
8.0.70.0020.00516.93
8.0.60.0040.00416.71
8.0.50.0070.00016.70
8.0.30.0080.01116.91
8.0.20.0110.00717.40
8.0.10.0020.00516.83
8.0.00.0090.00916.78
7.4.330.0050.00015.55
7.4.320.0000.00816.44
7.4.300.0000.00716.50
7.4.290.0070.00016.45
7.4.280.0040.00416.31
7.4.270.0040.00416.44
7.4.260.0060.00316.46
7.4.250.0040.00416.48
7.4.240.0080.00016.54
7.4.230.0030.00316.43
7.4.220.0030.00616.34
7.4.210.0080.00716.46
7.4.200.0000.00716.54
7.4.140.0100.00717.86
7.4.130.0070.01016.33
7.4.120.0110.01116.47
7.4.110.0060.01216.28
7.4.100.0100.01316.59
7.4.90.0060.01016.34
7.4.80.0100.01119.39
7.4.70.0030.01316.66
7.4.60.0060.00916.27
7.4.50.0150.00016.39
7.4.40.0070.01016.59
7.4.00.0090.00314.95
7.3.330.0040.00313.12
7.3.320.0060.00013.11
7.3.310.0070.00016.30
7.3.300.0040.00316.34
7.3.290.0030.00316.30
7.3.280.0060.01116.33
7.3.260.0100.01216.38
7.3.240.0110.00516.46
7.3.230.0070.01016.51
7.3.210.0130.01016.46
7.3.200.0190.00016.43
7.3.190.0090.01316.40
7.3.180.0100.00716.18
7.3.170.0140.00916.21
7.3.160.0090.00616.34
7.2.330.0090.01116.54
7.2.320.0090.00916.28
7.2.310.0060.01116.61
7.2.300.0090.01116.21
7.2.290.0180.00616.48
7.2.60.0160.01514.82
7.2.50.2980.01214.66
7.2.40.3040.00615.25
7.2.30.3170.00815.14
7.2.20.1800.01215.20
7.2.10.0100.01115.04
7.2.00.1020.01015.19
7.1.200.0070.00415.58
7.1.170.2200.00413.86
7.1.160.2800.01016.35
7.1.150.0160.00916.86
7.1.140.0510.00916.49
7.1.130.0090.00916.83
7.1.120.0800.00916.81
7.1.110.0430.00716.20
7.1.100.2610.01116.09
7.1.90.0230.00815.77
7.1.80.2150.00916.16
7.1.70.2220.00915.40
7.1.60.2220.00933.33
7.1.50.2530.01132.85
7.1.40.2490.01032.55
7.1.30.2450.01132.78
7.1.20.2440.01732.73
7.1.10.2020.01014.64
7.1.00.2250.01414.70

preferences:
54.77 ms | 1388 KiB | 5 Q