3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(bar $a = null, $b) { } $r = new ReflectionParameter('foo', 0); try { $e->getClass(); } catch (\Exception $e) { echo $e->getMessage(); } var_dump($r->getDefaultValue());

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)
8.3.40.0110.00318.80
8.3.30.0100.01018.84
8.3.20.0040.00420.36
8.3.10.0040.00423.72
8.3.00.0040.00419.38
8.2.170.0090.00622.96
8.2.160.0030.01420.52
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00717.63
8.2.120.0080.00026.35
8.2.110.0100.01022.12
8.2.100.0130.00317.78
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0080.00317.80
8.2.50.0050.00318.07
8.2.40.0000.00919.28
8.2.30.0050.00320.51
8.2.20.0040.00417.57
8.2.10.0030.00617.87
8.2.00.0080.00018.03
8.1.270.0040.00422.05
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0060.00322.48
8.1.230.0000.01117.54
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0050.00318.48
8.1.160.0040.00421.94
8.1.150.0070.00018.70
8.1.140.0000.00819.47
8.1.130.0030.00317.68
8.1.120.0070.00017.39
8.1.110.0000.00717.38
8.1.100.0040.00417.40
8.1.90.0040.00417.28
8.1.80.0030.00617.38
8.1.70.0000.00717.39
8.1.60.0040.00417.41
8.1.50.0000.00817.40
8.1.40.0050.00317.51
8.1.30.0040.00417.60
8.1.20.0040.00417.64
8.1.10.0040.00417.54
8.1.00.0000.00717.54
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0030.00318.43
8.0.270.0030.00317.14
8.0.260.0000.00617.07
8.0.250.0080.00017.00
8.0.240.0070.00017.00
8.0.230.0000.00716.85
8.0.220.0030.00316.80
8.0.210.0030.00316.89
8.0.200.0030.00316.87
8.0.190.0030.00516.96
8.0.180.0040.00416.83
8.0.170.0020.00516.80
8.0.160.0050.00316.86
8.0.150.0050.00316.87
8.0.140.0060.00316.72
8.0.130.0040.00413.30
8.0.120.0030.00616.93
8.0.110.0040.00416.80
8.0.100.0040.00416.77
8.0.90.0000.00816.93
8.0.80.0130.00616.88
8.0.70.0000.00816.77
8.0.60.0040.00416.78
8.0.50.0040.00416.91
8.0.30.0070.01417.12
8.0.20.0140.00517.40
8.0.10.0000.00716.89
8.0.00.0090.00916.79
7.4.330.0050.00015.08
7.4.320.0000.00616.54
7.4.300.0030.00316.61
7.4.290.0070.00016.43
7.4.280.0050.00316.51
7.4.270.0060.00316.65
7.4.260.0000.01016.44
7.4.250.0000.00816.46
7.4.240.0080.00016.50
7.4.230.0080.00016.51
7.4.220.0090.00916.64
7.4.210.0050.00916.54
7.4.200.0000.00716.32
7.4.160.0040.01216.52
7.4.150.0080.00817.40
7.4.140.0120.01117.86
7.4.130.0100.00716.62
7.4.120.0120.00716.38
7.4.110.0120.00916.54
7.4.100.0080.00816.52
7.4.90.0100.00616.45
7.4.80.0030.01319.39
7.4.70.0100.00716.59
7.4.60.0040.01216.71
7.4.50.0040.00416.47
7.4.40.0100.00716.57
7.4.30.0080.00816.41
7.4.00.0030.01514.85
7.3.330.0000.00613.25
7.3.320.0030.00313.37
7.3.310.0000.00716.36
7.3.300.0000.00716.29
7.3.290.0000.00716.35
7.3.280.0100.00816.25
7.3.270.0070.01117.40
7.3.260.0100.00716.48
7.3.250.0160.00316.41
7.3.240.0090.00816.27
7.3.230.0080.00916.62
7.3.210.0110.00616.50
7.3.200.0130.00916.60
7.3.190.0030.01316.38
7.3.180.0130.00716.38
7.3.170.0060.01616.48
7.3.160.0110.00416.23
7.3.10.0040.01116.52
7.3.00.0110.00316.59
7.2.330.0090.01616.62
7.2.320.0120.00916.68
7.2.310.0130.00316.66
7.2.300.0100.01116.64
7.2.290.0000.01916.57
7.2.130.0100.00316.70
7.2.120.0040.01116.77
7.2.110.0060.00616.85
7.2.100.0090.00016.91
7.2.90.0030.00616.86
7.2.80.0070.00716.67
7.2.70.0070.00716.99
7.2.60.0070.00516.97
7.2.50.0000.01516.60
7.2.40.0030.00716.90
7.2.30.0030.01217.01
7.2.20.0070.00316.92
7.2.10.0120.00316.89
7.2.00.0050.00917.94
7.1.250.0040.00415.72
7.1.200.0040.00815.74
7.1.100.0030.00717.97
7.1.70.0000.01416.69
7.1.60.0100.01019.48
7.1.50.0030.01416.77
7.1.00.0030.07722.52
7.0.200.0420.00314.36
7.0.60.0030.05720.03
7.0.50.0100.04717.88
7.0.40.0030.08020.11
7.0.30.0230.05320.21
7.0.20.0300.05720.22
7.0.10.0030.08320.20
7.0.00.0000.05720.26
5.6.280.0030.07321.13
5.6.210.0030.04020.56
5.6.200.0000.04318.16
5.6.190.0100.04020.67
5.6.180.0270.08020.58
5.6.170.0400.07720.55
5.6.160.0070.08320.55
5.6.150.0030.06018.30
5.6.140.0200.03018.27
5.6.130.0070.05018.24
5.6.120.0100.03720.98
5.6.110.0100.03321.13
5.6.100.0170.07320.94
5.6.90.0030.04321.01
5.6.80.0130.07720.54
5.5.350.4270.04020.43
5.5.340.0030.08717.98
5.5.330.0030.05020.29
5.5.320.0600.05020.30
5.5.310.0370.07020.35
5.5.300.0030.04018.04
5.5.290.0100.03718.03
5.5.280.0000.07720.87
5.5.270.0100.08320.97
5.5.260.0170.07720.87
5.5.250.0170.04320.55
5.5.240.0100.03720.05
5.4.450.0400.06719.52
5.4.440.0600.05019.44
5.4.430.0470.05319.69
5.4.420.0470.06019.29
5.4.410.0500.06019.26
5.4.400.0430.06019.03
5.4.390.0400.06019.19
5.4.380.0530.05319.07
5.4.370.0570.06318.97
5.4.360.0530.05318.79
5.4.350.0470.05318.97
5.4.340.0400.05319.25
5.4.320.0400.06019.25
5.4.310.0530.05318.97
5.4.300.0600.04718.78
5.4.290.0500.05019.22
5.4.280.0570.05319.24
5.4.270.0570.06019.24
5.4.260.0600.03719.08
5.4.250.0430.05019.07
5.4.240.0470.05018.96
5.4.230.0430.04719.18
5.4.220.0370.06019.07
5.4.210.0500.04719.07
5.4.200.0370.06319.11
5.4.190.0430.05719.27
5.4.180.0530.05019.27
5.4.170.0400.06018.91
5.4.160.0500.04719.05
5.4.150.0430.06019.03
5.4.140.0470.05316.35
5.4.130.0500.05716.38
5.4.120.0670.06716.27
5.4.110.0570.07316.61
5.4.100.0500.06316.63
5.4.90.0500.05016.59
5.4.80.0600.04716.60
5.4.70.0470.05316.57
5.4.60.0400.05716.44
5.4.50.0500.04316.47
5.4.40.0400.05316.48
5.4.30.0500.04716.47
5.4.20.0470.05016.59
5.4.10.0470.04716.61
5.4.00.0370.04015.94
5.3.290.0130.05014.81
5.3.280.0270.04014.62
5.3.270.0270.06014.68
5.3.260.0470.04714.57
5.3.250.0570.04014.75
5.3.240.0270.06014.53
5.3.230.0370.05314.64
5.3.220.0500.04314.71
5.3.210.0070.05714.71
5.3.200.0200.05314.77
5.3.190.0370.05314.54
5.3.180.0270.06014.63
5.3.170.0300.05014.54
5.3.160.0100.05314.67
5.3.150.0330.05314.84
5.3.140.0330.05714.51
5.3.130.0300.06714.61
5.3.120.0470.05014.51
5.3.110.0430.05314.76
5.3.100.0100.05714.33
5.3.90.0300.05314.23
5.3.80.0400.05013.99
5.3.70.0430.04314.10
5.3.60.0230.04014.13
5.3.50.0200.05013.92
5.3.40.0500.04314.24
5.3.30.0130.04313.83
5.3.20.0270.04713.68
5.3.10.0230.05313.58
5.3.00.0100.04713.61
5.2.170.0300.04311.06
5.2.160.0400.03311.16
5.2.150.0130.05711.38
5.2.140.0300.04711.06
5.2.130.0300.04311.11
5.2.120.0330.04011.01
5.2.110.0270.04311.11
5.2.100.0370.03711.02
5.2.90.0400.03011.19
5.2.80.0370.04010.95
5.2.70.0330.04011.10
5.2.60.0300.05310.97
5.2.50.0330.04710.97
5.2.40.0230.04310.90
5.2.30.0330.03710.93
5.2.20.0100.04010.96
5.2.10.0000.04311.00
5.2.00.0100.04310.86
5.1.60.0330.0339.89
5.1.50.0300.0379.88
5.1.40.0370.0309.82
5.1.30.0300.03710.39
5.1.20.0300.03310.40
5.1.10.0300.03710.13
5.1.00.0270.03710.00
5.0.50.0170.0308.63
5.0.40.0170.0278.39
5.0.30.0200.0438.25
5.0.20.0170.0308.10
5.0.10.0100.0308.06
5.0.00.0130.0438.16
4.4.90.0100.0306.63
4.4.80.0170.0276.63
4.4.70.0170.0276.63
4.4.60.0170.0306.63
4.4.50.0170.0206.63
4.4.40.0070.0376.63
4.4.30.0100.0376.63
4.4.20.0170.0206.63
4.4.10.0070.0276.63
4.4.00.0230.0376.63
4.3.110.0200.0206.63
4.3.100.0100.0236.63
4.3.90.0100.0206.63
4.3.80.0170.0306.63
4.3.70.0170.0136.63
4.3.60.0200.0136.63
4.3.50.0100.0276.63
4.3.40.0100.0376.63
4.3.30.0070.0276.63
4.3.20.0070.0236.63
4.3.10.0030.0236.63
4.3.00.0070.0236.63

preferences:
52.47 ms | 400 KiB | 5 Q