3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($bar = 'something', $baz) {} $func = new ReflectionFunction('foo'); $params = $func->getParams(); var_dump($params[0]->isOptional()); var_dump($params[0]->isDefaultValueAvailable());

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)
8.3.60.0070.00716.50
8.3.50.0110.01017.26
8.3.40.0180.00318.84
8.3.30.0060.00918.84
8.3.20.0140.00718.73
8.3.10.0100.00020.52
8.3.00.0070.00419.38
8.2.180.0110.00416.88
8.2.170.0070.00722.96
8.2.160.0150.00320.41
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0190.00026.16
8.2.120.0040.00419.76
8.2.110.0070.00320.84
8.2.100.0090.00317.72
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0000.00917.63
8.2.60.0030.00517.90
8.2.50.0040.00418.10
8.2.40.0040.00420.47
8.2.30.0040.00418.11
8.2.20.0070.00017.77
8.2.10.0030.00617.61
8.2.00.0000.00817.55
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0150.00723.92
8.1.230.0000.01117.82
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0100.00017.25
8.1.190.0000.00817.55
8.1.180.0050.00318.10
8.1.170.0000.00818.60
8.1.160.0000.00722.02
8.1.150.0040.00418.48
8.1.140.0030.00717.43
8.1.130.0030.00317.82
8.1.120.0030.00417.24
8.1.110.0040.00417.43
8.1.100.0000.00717.36
8.1.90.0000.00717.29
8.1.80.0000.00817.30
8.1.70.0070.00017.33
8.1.60.0040.00417.55
8.1.50.0000.00717.48
8.1.40.0000.00817.52
8.1.30.0050.00317.52
8.1.20.0000.00817.70
8.1.10.0030.00517.62
8.1.00.0050.00317.58
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.38
8.0.270.0040.00317.27
8.0.260.0070.00016.81
8.0.250.0000.00717.01
8.0.240.0060.00316.91
8.0.230.0000.00716.95
8.0.220.0040.00416.77
8.0.210.0020.00516.83
8.0.200.0000.00716.96
8.0.190.0030.00716.98
8.0.180.0000.00716.80
8.0.170.0030.00616.82
8.0.160.0040.00416.75
8.0.150.0040.00416.86
8.0.140.0090.00016.76
8.0.130.0050.00013.31
8.0.120.0000.00716.82
8.0.110.0040.00416.82
8.0.100.0050.00316.78
8.0.90.0000.00816.88
8.0.80.0090.00616.84
8.0.70.0040.00416.79
8.0.60.0000.00716.84
8.0.50.0080.00016.72
8.0.30.0130.00717.05
8.0.20.0100.00916.99
8.0.10.0000.00917.02
8.0.00.0080.01416.65
7.4.330.0000.00612.86
7.4.320.0070.00016.46
7.4.300.0000.00816.64
7.4.290.0070.00016.51
7.4.280.0000.00816.52
7.4.270.0030.00316.54
7.4.260.0000.00513.27
7.4.250.0040.00416.51
7.4.240.0090.00016.52
7.4.230.0040.00416.67
7.4.220.0110.00716.61
7.4.210.0110.00716.62
7.4.200.0050.00516.31
7.4.190.0070.00016.48
7.4.160.0150.00016.52
7.4.150.0120.00816.35
7.4.140.0080.00916.51
7.4.130.0090.01116.53
7.4.120.0070.01216.53
7.4.110.0090.00916.61
7.4.100.0030.01316.40
7.4.90.0090.00916.45
7.4.80.0100.00716.54
7.4.70.0040.01616.70
7.4.60.0030.01216.50
7.4.50.0050.00516.20
7.4.40.0070.00716.42
7.4.30.0170.00016.63
7.4.00.0060.00914.97
7.3.330.0030.00313.23
7.3.320.0000.00613.17
7.3.310.0000.00616.17
7.3.300.0030.00316.30
7.3.290.0040.01116.38
7.3.280.0090.00716.31
7.3.270.0030.01316.20
7.3.260.0110.00816.58
7.3.250.0120.00616.41
7.3.240.0090.00916.56
7.3.230.0110.00516.34
7.3.210.0080.00816.47
7.3.200.0070.01619.39
7.3.190.0150.00616.52
7.3.180.0060.01016.27
7.3.170.0060.01016.60
7.3.160.0140.00716.66
7.3.120.0110.00314.61
7.2.330.0040.01416.41
7.2.320.0130.01016.63
7.2.310.0130.01316.38
7.2.300.0070.01016.55
7.2.290.0090.00616.62
7.2.60.0030.01316.97
7.2.00.0140.00319.21
7.1.200.0000.00815.71
7.1.100.0040.00818.02
7.1.70.0060.00616.90
7.1.60.0090.01519.40
7.1.50.0040.00716.69
7.1.00.0130.07022.30
7.0.200.0050.00514.41
7.0.140.0000.07721.98
7.0.120.0030.06022.13
7.0.60.0230.06319.97
7.0.50.0100.05017.90
7.0.40.0070.08717.75
7.0.30.0070.06017.80
7.0.20.0070.08317.69
7.0.10.0130.06717.75
7.0.00.0130.08017.75
5.6.280.0030.07320.77
5.6.210.0070.06720.69
5.6.200.0170.04318.30
5.6.190.0070.07018.16
5.6.180.0070.08718.11
5.6.170.0130.04318.29
5.6.160.0030.08718.19
5.6.150.0130.07718.12
5.6.140.0100.07718.18
5.6.130.0030.05318.18
5.6.120.0030.05318.18
5.6.110.0030.08718.18
5.6.100.0130.07318.27
5.6.90.0000.05718.14
5.6.80.0170.04017.54
5.6.70.0130.04017.52
5.6.60.0200.06717.66
5.6.50.0070.04017.67
5.6.40.0030.06017.51
5.6.30.0000.04317.64
5.6.20.0100.06017.54
5.6.10.0070.08017.62
5.6.00.0070.07717.53
5.5.350.0330.06020.46
5.5.340.0070.06717.96
5.5.330.0030.08317.98
5.5.320.0030.08317.98
5.5.310.0170.06717.98
5.5.300.0030.08018.03
5.5.290.0030.05318.06
5.5.280.0070.08018.04
5.5.270.0030.08317.97
5.5.260.0100.03718.01
5.5.250.0130.03017.77
5.5.240.0100.06717.38
5.5.230.0100.06017.29
5.5.220.0070.03717.43
5.5.210.0000.04317.32
5.5.200.0100.06017.31
5.5.190.0070.07717.44
5.5.180.0070.05317.42
5.5.160.0070.07717.33
5.5.150.0030.04317.33
5.5.140.0030.08317.43
5.5.130.0030.04717.30
5.5.120.0070.07717.33
5.5.110.0070.04317.43
5.5.100.0030.06717.26
5.5.90.0000.05317.21
5.5.80.0000.05017.20
5.5.70.0070.05017.27
5.5.60.0070.06717.22
5.5.50.0100.07017.18
5.5.40.0100.06317.25
5.5.30.0100.07317.20
5.5.20.0130.06317.22
5.5.10.0070.07317.25
5.5.00.0030.08017.18
5.4.450.0100.05019.43
5.4.440.0030.08719.36
5.4.430.0170.02719.29
5.4.420.0030.04719.42
5.4.410.0130.07019.29
5.4.400.0070.04319.05
5.4.390.0100.04319.10
5.4.380.0070.05319.27
5.4.370.0130.07019.05
5.4.360.0130.07018.98
5.4.350.0100.04019.05
5.4.340.0130.07019.03
5.4.320.0000.05718.98
5.4.310.0000.04318.95
5.4.300.0070.04718.98
5.4.290.0030.08019.02
5.4.280.0030.04719.03
5.4.270.0030.07719.12
5.4.260.0030.04319.03
5.4.250.0130.06719.09
5.4.240.0030.07019.09
5.4.230.0100.03719.12
5.4.220.0130.06719.02
5.4.210.0100.05018.95
5.4.200.0070.07319.02
5.4.190.0030.07318.88
5.4.180.0100.03319.09
5.4.170.0030.04319.11
5.4.160.0070.04319.04
5.4.150.0030.08319.02
5.4.140.0030.08016.30
5.4.130.0030.05716.34
5.4.120.0100.07016.44
5.4.110.0130.06716.32
5.4.100.0070.06316.23
5.4.90.0070.07016.50
5.4.80.0130.04716.29
5.4.70.0100.06316.38
5.4.60.0100.06316.36
5.4.50.0030.04316.27
5.4.40.0030.06316.38
5.4.30.0100.03316.50
5.4.20.0030.03716.39
5.4.10.0130.07016.40
5.4.00.0030.04715.84
5.3.290.0070.04014.70
5.3.280.0070.05014.64
5.3.270.0000.04314.60
5.3.260.0100.06314.60
5.3.250.0000.08314.71
5.3.240.0100.06714.46
5.3.230.0030.05714.56
5.3.220.0000.05314.64
5.3.210.0070.06014.56
5.3.200.0030.04314.67
5.3.190.0070.05314.61
5.3.180.0100.07314.77
5.3.170.0070.04714.42
5.3.160.0100.05314.57
5.3.150.0070.05014.64
5.3.140.0070.08014.59
5.3.130.0100.03314.59
5.3.120.0130.07314.36
5.3.110.0000.05014.57
5.3.100.0070.03314.25
5.3.90.0130.05314.11
5.3.80.0130.06714.05
5.3.70.0100.04713.99
5.3.60.0070.06314.06
5.3.50.0070.04013.97
5.3.40.0070.04314.05
5.3.30.0130.04013.90
5.3.20.0030.06313.73
5.3.10.0030.06013.71
5.3.00.0000.05013.66
5.2.170.0070.02711.15
5.2.160.0070.06011.04
5.2.150.0070.03711.15
5.2.140.0100.04711.07
5.2.130.0070.06310.99
5.2.120.0070.05711.11
5.2.110.0070.03711.13
5.2.100.0070.02711.10
5.2.90.0100.05711.15
5.2.80.0030.05711.13
5.2.70.0070.06011.30
5.2.60.0130.05311.11
5.2.50.0000.06011.02
5.2.40.0030.06710.91
5.2.30.0000.04310.95
5.2.20.0030.03711.03
5.2.10.0030.05010.84
5.2.00.0000.05710.75
5.1.60.0030.0479.98
5.1.50.0030.0509.96
5.1.40.0070.05310.05
5.1.30.0030.06010.39
5.1.20.0100.04310.45
5.1.10.0100.0439.98
5.1.00.0030.03010.06
5.0.50.0070.0279.00
5.0.40.0030.0239.00
5.0.30.0000.0709.00
5.0.20.0000.0339.00
5.0.10.0070.0439.00
5.0.00.0070.0609.00
4.4.90.0030.0239.00
4.4.80.0030.0339.00
4.4.70.0100.0339.00
4.4.60.0030.0379.00
4.4.50.0030.0379.00
4.4.40.0030.0579.00
4.4.30.0000.0409.00
4.4.20.0000.0339.00
4.4.10.0030.0309.00
4.4.00.0000.0379.00
4.3.110.0000.0179.00
4.3.100.0000.0179.00
4.3.90.0000.0179.00
4.3.80.0000.0539.00
4.3.70.0030.0339.00
4.3.60.0070.0209.00
4.3.50.0000.0239.00
4.3.40.0070.0439.00
4.3.30.0030.0239.00
4.3.20.0000.0239.00
4.3.10.0000.0209.00
4.3.00.0000.0209.00

preferences:
56.77 ms | 400 KiB | 5 Q