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(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)
8.3.60.0070.01518.30
8.3.50.0110.00418.21
8.3.40.0070.00718.97
8.3.30.0120.00318.87
8.3.20.0080.00018.90
8.3.10.0070.00021.09
8.3.00.0030.00623.48
8.2.180.0070.00725.92
8.2.170.0090.00618.96
8.2.160.0070.01122.96
8.2.150.0080.00025.66
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00719.83
8.2.110.0000.01022.23
8.2.100.0110.00017.91
8.2.90.0000.00818.03
8.2.80.0050.00317.97
8.2.70.0080.00017.92
8.2.60.0060.00317.80
8.2.50.0040.00418.10
8.2.40.0090.00019.47
8.2.30.0000.00719.38
8.2.20.0000.00718.11
8.2.10.0050.00317.98
8.2.00.0040.00419.43
8.1.270.0000.00724.66
8.1.260.0120.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00621.05
8.1.230.0110.00022.64
8.1.220.0030.00517.74
8.1.210.0090.00018.88
8.1.200.0070.00317.23
8.1.190.0030.00617.13
8.1.180.0000.00918.10
8.1.170.0050.00318.65
8.1.160.0040.00418.87
8.1.150.0040.00418.70
8.1.140.0000.00717.64
8.1.130.0040.00418.98
8.1.120.0030.00317.39
8.1.110.0080.00017.45
8.1.100.0000.00817.38
8.1.90.0040.00417.41
8.1.80.0000.00817.38
8.1.70.0030.00617.38
8.1.60.0000.00817.52
8.1.50.0040.00417.35
8.1.40.0050.00317.45
8.1.30.0000.00817.48
8.1.20.0040.00417.50
8.1.10.0000.00817.42
8.1.00.0020.00517.29
8.0.300.0040.00419.95
8.0.290.0060.00316.63
8.0.280.0070.00018.41
8.0.270.0030.00317.13
8.0.260.0000.00617.08
8.0.250.0030.00516.95
8.0.240.0080.00316.88
8.0.230.0000.00716.90
8.0.220.0040.00416.82
8.0.210.0030.00316.97
8.0.200.0030.00317.08
8.0.190.0040.00416.98
8.0.180.0000.00716.96
8.0.170.0030.00516.84
8.0.160.0070.00017.01
8.0.150.0070.00416.91
8.0.140.0040.00416.91
8.0.130.0030.00313.36
8.0.120.0040.00416.97
8.0.110.0080.00016.83
8.0.100.0000.00716.99
8.0.90.0050.00216.78
8.0.80.0110.00716.88
8.0.70.0050.00316.95
8.0.60.0040.00416.83
8.0.50.0020.00516.86
8.0.30.0100.01017.04
8.0.20.0130.00717.40
8.0.10.0070.00016.89
8.0.00.0120.00816.83
7.4.330.0060.00015.55
7.4.320.0040.00416.44
7.4.300.0030.00316.34
7.4.290.0030.00516.49
7.4.280.0080.00016.42
7.4.270.0030.00316.45
7.4.260.0090.00016.52
7.4.250.0030.00516.39
7.4.240.0070.00016.40
7.4.230.0030.00316.65
7.4.220.0090.00016.57
7.4.210.0070.00716.44
7.4.200.0030.00316.43
7.4.160.0090.00916.37
7.4.140.0110.00917.86
7.4.130.0160.00016.55
7.4.120.0130.00616.47
7.4.110.0130.00316.19
7.4.100.0090.00916.36
7.4.90.0070.01016.74
7.4.80.0100.01519.39
7.4.70.0070.01016.29
7.4.60.0080.00816.30
7.4.50.0070.01016.24
7.4.40.0140.00316.42
7.4.10.0060.01214.83
7.4.00.0050.00914.81
7.3.330.0000.00613.23
7.3.320.0000.00713.13
7.3.310.0080.00016.34
7.3.300.0000.00716.32
7.3.290.0000.00716.16
7.3.280.0080.00916.28
7.3.260.0120.01216.33
7.3.240.0090.00816.31
7.3.230.0110.00716.35
7.3.210.0100.00616.30
7.3.200.0090.01216.42
7.3.190.0110.01116.30
7.3.180.0090.00916.31
7.3.170.0140.00316.27
7.3.160.0120.00316.43
7.3.130.0070.01014.66
7.3.120.0030.01514.45
7.3.110.0090.00914.73
7.3.100.0090.00614.98
7.3.90.0000.01414.69
7.3.80.0000.00914.70
7.3.70.0060.00914.79
7.3.60.0070.01014.88
7.3.50.0110.00314.61
7.3.40.0070.00714.71
7.3.30.0000.00914.95
7.3.20.0420.01015.67
7.3.10.0300.01215.62
7.3.00.0340.00515.71
7.2.330.0070.01016.68
7.2.320.0090.00916.38
7.2.310.0130.01016.35
7.2.300.0060.01216.63
7.2.290.0170.00716.45
7.2.260.0100.00714.66
7.2.250.0060.01014.82
7.2.240.0150.00015.03
7.2.230.0060.00915.05
7.2.220.0030.01014.77
7.2.210.0030.00614.78
7.2.200.0110.00014.88
7.2.190.0000.01414.99
7.2.180.0060.00914.75
7.2.170.0000.00914.68
7.2.160.0070.00714.96
7.2.150.0460.00315.82
7.2.140.0280.01015.82
7.2.130.0290.00515.79
7.2.120.0350.00615.85
7.2.110.0390.00915.82
7.2.100.0350.01015.77
7.2.90.0410.00515.88
7.2.80.0440.00615.93
7.2.70.0400.01016.01
7.2.60.2020.00915.38
7.2.50.1320.00915.39
7.2.40.2060.00815.59
7.2.30.0960.00815.67
7.2.20.1090.00815.62
7.2.10.1150.00915.53
7.2.00.1320.00715.53
7.1.330.0030.01016.00
7.1.320.0100.00316.02
7.1.310.0110.00415.86
7.1.300.0070.00715.64
7.1.290.0070.00715.37
7.1.280.0030.00615.88
7.1.270.0030.00715.49
7.1.260.0080.00315.59
7.1.250.0400.00814.77
7.1.240.0310.01014.92
7.1.230.0440.01314.62
7.1.220.0340.00314.87
7.1.210.0310.01014.82
7.1.200.0280.00715.16
7.1.190.0360.00814.80
7.1.180.0310.01214.82
7.1.170.0960.00914.43
7.1.160.1530.00715.92
7.1.150.0940.00915.80
7.1.140.2560.01015.94
7.1.130.0910.00716.01
7.1.120.2540.00915.79
7.1.110.2050.01015.57
7.1.100.2110.00715.49
7.1.90.2120.00615.56
7.1.80.2150.00615.53
7.1.70.1890.00815.00
7.1.60.1750.01123.99
7.1.50.2010.01523.93
7.1.40.1120.01023.62
7.1.30.1160.00823.83
7.1.20.1650.00823.65
7.1.10.0940.00914.74
7.1.00.0720.01214.74
7.0.330.0710.00413.47
5.6.380.0160.01314.14

preferences:
53.39 ms | 400 KiB | 5 Q