3v4l.org

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

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)
8.3.60.0160.00618.29
8.3.50.0100.00718.05
8.3.40.0120.00318.81
8.3.30.0150.00018.54
8.3.20.0000.00818.79
8.3.10.0080.00021.09
8.3.00.0040.00423.65
8.2.180.0070.00718.29
8.2.170.0150.00322.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.83
8.2.120.0040.00426.35
8.2.110.0030.00620.52
8.2.100.0090.00317.66
8.2.90.0050.00318.22
8.2.80.0000.00720.23
8.2.70.0050.00317.92
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0040.00419.53
8.2.30.0040.00419.37
8.2.20.0040.00418.00
8.2.10.0000.00718.05
8.2.00.0040.00419.49
8.1.280.0040.01125.92
8.1.270.0000.00820.43
8.1.260.0070.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00622.05
8.1.230.0090.00420.74
8.1.220.0030.00617.77
8.1.210.0040.00418.77
8.1.200.0030.00517.23
8.1.190.0000.00817.00
8.1.180.0030.00618.10
8.1.170.0030.00618.50
8.1.160.0040.00418.84
8.1.150.0040.00418.73
8.1.140.0040.00417.63
8.1.130.0000.00818.86
8.1.120.0040.00417.24
8.1.110.0000.00717.37
8.1.100.0070.00017.43
8.1.90.0070.00017.38
8.1.80.0050.00317.41
8.1.70.0030.00617.28
8.1.60.0050.00317.57
8.1.50.0050.00317.48
8.1.40.0000.00817.48
8.1.30.0040.00417.57
8.1.20.0040.00417.59
8.1.10.0040.00417.52
8.1.00.0000.00917.28
8.0.300.0030.00320.27
8.0.290.0000.00916.61
8.0.280.0030.00318.32
8.0.270.0070.00017.10
8.0.260.0030.00317.20
8.0.250.0070.00016.79
8.0.240.0040.00416.92
8.0.230.0050.00316.80
8.0.220.0070.00016.75
8.0.210.0000.00716.74
8.0.200.0040.00416.80
8.0.190.0000.00816.90
8.0.180.0050.00216.90
8.0.170.0090.00016.86
8.0.160.0000.00816.83
8.0.150.0070.00016.66
8.0.140.0030.00616.80
8.0.130.0000.00613.28
8.0.120.0040.00416.75
8.0.110.0040.00416.70
8.0.100.0000.00816.72
8.0.90.0000.00816.95
8.0.80.0050.01316.84
8.0.70.0080.00016.88
8.0.60.0080.00016.70
8.0.50.0040.00416.73
8.0.30.0080.01117.01
8.0.20.0040.01417.40
8.0.10.0040.00416.91
8.0.00.0120.00916.67
7.4.330.0020.00215.55
7.4.320.0030.00316.41
7.4.300.0040.00416.33
7.4.290.0000.00716.36
7.4.280.0060.00316.42
7.4.270.0000.00716.51
7.4.260.0000.00716.50
7.4.250.0030.00316.40
7.4.240.0070.00016.43
7.4.230.0000.00716.38
7.4.220.0060.00316.34
7.4.210.0080.00816.52
7.4.200.0070.00016.57
7.4.160.0100.00816.45
7.4.140.0090.01017.86
7.4.130.0070.01016.48
7.4.120.0110.00816.51
7.4.110.0160.00616.71
7.4.100.0030.01416.20
7.4.90.0030.01316.34
7.4.80.0130.01019.39
7.4.70.0100.00616.39
7.4.60.0040.01216.46
7.4.50.0120.00316.28
7.4.40.0030.01416.63
7.4.00.0090.00314.99
7.3.330.0030.00313.13
7.3.320.0030.00313.30
7.3.310.0040.00416.26
7.3.300.0000.00616.25
7.3.290.0030.00316.16
7.3.280.0080.01016.29
7.3.260.0100.01316.42
7.3.240.0110.00716.47
7.3.230.0140.00316.51
7.3.210.0060.00916.30
7.3.200.0080.00816.46
7.3.190.0000.01916.17
7.3.180.0170.00016.29
7.3.170.0040.01316.28
7.3.160.0080.00816.45
7.2.330.0110.00716.35
7.2.320.0100.00716.46
7.2.310.0070.01016.51
7.2.300.0140.00716.36
7.2.290.0150.00816.45
7.2.60.3230.00814.82
7.2.50.3470.01214.75
7.2.40.3810.00615.04
7.2.30.2900.00715.37
7.2.20.3020.01115.34
7.2.10.2870.00715.20
7.2.00.3220.00815.46
7.1.200.0040.00715.62
7.1.170.3370.00813.97
7.1.160.3630.01016.77
7.1.150.3050.00916.63
7.1.140.3560.01416.90
7.1.130.3100.00516.56
7.1.120.3360.00716.97
7.1.110.3190.00916.36
7.1.100.3830.01016.49
7.1.90.3870.01016.24
7.1.80.3440.01116.11
7.1.70.3970.00815.47
7.1.60.3450.01533.09
7.1.50.4970.00932.73
7.1.40.6420.01032.50
7.1.30.3020.01632.61
7.1.20.0420.01132.70
7.1.10.0710.00914.80
7.1.00.0160.01014.86

preferences:
34.11 ms | 400 KiB | 5 Q