3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a, $b = NULL, $c) {} $rf = new ReflectionFunction('foo'); var_dump($rf->getParameters()[0]->isOptional()); var_dump($rf->getParameters()[1]->isOptional()); var_dump($rf->getParameters()[2]->isOptional());

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)
8.3.60.0120.00918.43
8.3.50.0100.00821.21
8.3.40.0150.00018.63
8.3.30.0090.00620.27
8.3.20.0000.00720.16
8.3.10.0000.00820.87
8.3.00.0070.00022.45
8.2.180.0100.01016.75
8.2.170.0120.00422.96
8.2.160.0040.01122.09
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00820.81
8.2.110.0060.00319.24
8.2.100.0080.00417.84
8.2.90.0000.00819.18
8.2.80.0040.00418.03
8.2.70.0000.00917.25
8.2.60.0000.00817.92
8.2.50.0000.00918.07
8.2.40.0050.00518.34
8.2.30.0000.00719.41
8.2.20.0050.00317.70
8.2.10.0030.00617.74
8.2.00.0020.00517.65
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0140.00328.09
8.1.240.0150.00622.46
8.1.230.0040.00820.82
8.1.220.0000.00818.77
8.1.210.0080.00020.95
8.1.200.0090.00017.35
8.1.190.0000.00817.41
8.1.180.0000.00918.10
8.1.170.0080.00018.50
8.1.160.0000.00818.82
8.1.150.0040.00418.49
8.1.140.0030.00517.43
8.1.130.0030.00317.77
8.1.120.0030.00717.29
8.1.110.0000.00717.27
8.1.100.0060.00317.36
8.1.90.0000.00717.29
8.1.80.0000.00717.30
8.1.70.0000.00717.27
8.1.60.0080.00017.39
8.1.50.0080.00017.34
8.1.40.0040.00417.37
8.1.30.0040.00417.54
8.1.20.0040.00417.41
8.1.10.0040.00417.55
8.1.00.0000.00817.49
8.0.300.0000.00719.92
8.0.290.0030.00317.18
8.0.280.0040.00418.30
8.0.270.0000.00717.11
8.0.260.0040.00416.72
8.0.250.0000.00816.82
8.0.240.0040.00416.89
8.0.230.0040.00416.95
8.0.220.0000.00716.82
8.0.210.0040.00416.89
8.0.200.0030.00316.98
8.0.190.0030.00516.87
8.0.180.0070.00016.92
8.0.170.0000.00816.84
8.0.160.0000.00716.93
8.0.150.0000.00716.90
8.0.140.0040.00416.85
8.0.130.0000.00513.31
8.0.120.0000.00816.88
8.0.110.0070.00016.89
8.0.100.0050.00216.77
8.0.90.0070.00016.71
8.0.80.0090.00616.94
8.0.70.0040.00416.80
8.0.60.0050.00316.96
8.0.50.0040.00416.84
8.0.30.0120.01017.01
8.0.20.0110.00917.40
8.0.10.0040.00417.05
8.0.00.0090.00916.90
7.4.330.0000.00516.84
7.4.320.0000.00616.36
7.4.300.0060.00016.44
7.4.290.0030.00316.45
7.4.280.0000.00716.52
7.4.270.0000.00616.46
7.4.260.0030.00313.14
7.4.250.0050.00316.45
7.4.240.0020.00616.43
7.4.230.0030.00316.24
7.4.220.0110.00716.41
7.4.210.0080.00616.52
7.4.200.0050.00216.61
7.4.190.0000.00716.50
7.4.160.0100.00716.37
7.4.150.0100.00717.40
7.4.140.0110.00717.86
7.4.130.0080.00916.39
7.4.120.0130.00316.44
7.4.110.0110.00616.50
7.4.100.0070.01716.48
7.4.90.0140.00316.59
7.4.80.0040.01319.39
7.4.70.0080.00816.39
7.4.60.0030.01316.36
7.4.50.0090.00016.66
7.4.40.0000.01822.77
7.4.30.0100.00516.55
7.4.10.0070.01014.95
7.4.00.0070.01014.58
7.3.330.0000.00513.22
7.3.320.0000.00713.25
7.3.310.0040.00416.14
7.3.300.0030.00316.29
7.3.290.0060.01316.24
7.3.280.0110.00616.25
7.3.270.0120.00617.40
7.3.260.0080.01218.24
7.3.250.0110.00916.35
7.3.240.0040.01316.27
7.3.230.0110.01216.39
7.3.210.0100.00716.31
7.3.200.0030.01519.39
7.3.190.0100.01016.23
7.3.180.0060.00916.56
7.3.170.0080.00816.45
7.3.160.0100.00716.45
7.3.130.0000.01714.46
7.3.120.0090.00514.94
7.3.110.0130.00614.75
7.3.100.0060.00614.38
7.3.90.0120.00414.50
7.3.80.0110.00414.90
7.3.70.0030.01014.86
7.3.60.0000.01414.88
7.3.50.0060.00914.90
7.3.40.0030.01014.64
7.3.30.0070.00314.67
7.3.20.0030.00716.50
7.3.10.0160.00016.58
7.3.00.0040.00716.77
7.2.330.0090.00916.60
7.2.320.0100.00716.77
7.2.310.0070.01816.66
7.2.300.0070.01016.56
7.2.290.0110.01116.72
7.2.260.0120.00615.07
7.2.250.0040.01114.74
7.2.240.0040.00814.81
7.2.230.0040.01114.93
7.2.220.0060.01215.00
7.2.210.0080.00415.07
7.2.200.0000.01414.96
7.2.190.0070.00715.17
7.2.180.0060.00914.71
7.2.170.0110.00315.00
7.2.160.0030.00714.69
7.2.150.0070.00316.71
7.2.140.0130.00016.94
7.2.130.0070.01116.85
7.2.120.0060.01016.48
7.2.110.0080.00316.72
7.2.100.0030.01416.92
7.2.90.0040.01116.89
7.2.80.0070.00716.75
7.2.70.0070.01116.79
7.2.60.0040.00916.83
7.2.50.0120.00616.79
7.2.40.0040.01117.01
7.2.30.0030.01016.76
7.2.20.0140.00016.54
7.2.10.0060.00616.96
7.2.00.0060.00916.81
7.1.330.0090.00415.60
7.1.320.0120.00315.47
7.1.310.0040.01115.84
7.1.300.0080.00415.94
7.1.290.0000.01315.63
7.1.280.0090.00615.61
7.1.270.0130.00015.56
7.1.260.0060.00915.59
7.1.250.0060.00615.75
7.1.240.0030.01015.77
7.1.230.0030.01315.41
7.1.220.0060.00315.80
7.1.210.0030.01015.75
7.1.200.0060.00615.72
7.1.190.0030.01015.64
7.1.180.0000.01415.72
7.1.170.0000.01015.57
7.1.160.0050.00515.79
7.1.150.0030.01015.47
7.1.140.0030.00715.77
7.1.130.0030.01015.73
7.1.120.0070.00415.78
7.1.110.0030.00715.69
7.1.100.0110.00415.78
7.1.90.0060.00615.84
7.1.80.0040.00715.73
7.1.70.0030.00716.31
7.1.60.0060.01117.33
7.1.50.0050.01216.35
7.1.40.0110.00015.71
7.1.30.0040.01115.79
7.1.20.0030.01015.58
7.1.10.0060.00615.61
7.1.00.0040.02119.08
7.0.330.0070.00315.32
7.0.320.0060.01014.98
7.0.310.0080.00315.51
7.0.300.0000.00815.34
7.0.290.0070.00715.26
7.0.280.0000.01415.35
7.0.270.0030.01015.30
7.0.260.0000.01115.18
7.0.250.0030.00615.18
7.0.240.0000.00815.34
7.0.230.0000.01015.40
7.0.220.0060.00615.38
7.0.210.0040.00815.31
7.0.200.0040.00415.72
7.0.190.0090.00315.41
7.0.180.0000.01415.24
7.0.170.0030.01315.21
7.0.160.0040.01115.30
7.0.150.0110.00015.42
7.0.140.0120.03018.59
7.0.130.0090.00615.34
7.0.120.0060.01015.33
7.0.110.0030.00715.36
7.0.100.0050.00515.47
7.0.90.0060.00615.46
7.0.80.0240.02717.69
7.0.70.0230.02717.51
7.0.60.0290.03517.63
7.0.50.0220.04617.72
7.0.40.0050.03316.73
7.0.30.0060.04116.62
7.0.20.0050.04616.63
7.0.10.0030.03616.82
7.0.00.0080.04616.64
5.6.400.0000.01314.41
5.6.390.0090.00014.59
5.6.380.0030.00713.91
5.6.370.0080.00314.63
5.6.360.0040.00814.63
5.6.350.0030.01214.58
5.6.340.0100.00314.48
5.6.330.0060.00614.59
5.6.320.0000.01214.24
5.6.310.0030.00614.61
5.6.300.0090.00914.15
5.6.290.0040.00813.96
5.6.280.0040.04217.71
5.6.270.0040.01414.70
5.6.260.0040.00714.58
5.6.250.0030.00614.39
5.6.240.0130.00014.28
5.6.230.0030.04517.58
5.6.220.0020.02917.52
5.6.210.0070.02217.55
5.6.200.0120.04017.75
5.6.190.0080.03717.74
5.6.180.0030.04817.59
5.6.170.0100.04317.72
5.6.160.0100.02017.84
5.6.150.0070.04217.68
5.6.140.0070.02817.86
5.6.130.0060.03017.72
5.6.120.0140.04017.68
5.6.110.0100.02217.60
5.6.100.0130.03017.54
5.6.90.0030.04917.53
5.6.80.0080.03517.27
5.6.70.0020.02817.32
5.6.60.0080.02217.33
5.6.50.0090.02717.43
5.6.40.0080.04017.47
5.6.30.0050.03517.47
5.6.20.0040.02217.39
5.6.10.0050.02017.36
5.6.00.0060.02017.32
5.5.380.0070.00414.18
5.5.370.0050.02517.53
5.5.360.0030.02717.33
5.5.350.0120.02117.27
5.5.340.0150.03517.44
5.5.330.0040.04617.41
5.5.320.0000.02617.69
5.5.310.0140.04017.38
5.5.300.0050.02717.51
5.5.290.0050.02517.46
5.5.280.0120.02317.68
5.5.270.0070.02517.69
5.5.260.0020.05317.55
5.5.250.0050.04417.49
5.5.240.0050.02417.29
5.5.230.0090.02617.21
5.5.220.0080.01817.24
5.5.210.0050.02717.24
5.5.200.0090.01917.17
5.5.190.0080.03817.33
5.5.180.0060.02317.25
5.5.170.0030.00514.04
5.5.160.0070.02017.35
5.5.150.0040.02417.19
5.5.140.0020.02317.30
5.5.130.0080.03817.26
5.5.120.0120.01517.32
5.5.110.0020.02117.16
5.5.100.0100.01717.09
5.5.90.0030.01916.95
5.5.80.0020.04517.15
5.5.70.0120.03617.08
5.5.60.0060.02417.04
5.5.50.0050.02117.19
5.5.40.0080.03317.04
5.5.30.0050.02017.28
5.5.20.0050.01917.20
5.5.10.0050.04017.02
5.5.00.0100.03716.85
5.4.450.0020.02715.23
5.4.440.0060.03715.25
5.4.430.0050.02515.11
5.4.420.0030.04015.32
5.4.410.0040.01915.16
5.4.400.0050.02215.20
5.4.390.0050.02414.94
5.4.380.0080.03214.98
5.4.370.0040.02015.03
5.4.360.0030.02315.13
5.4.350.0030.01815.10
5.4.340.0020.02414.93
5.4.330.0090.00310.86
5.4.320.0050.01915.02
5.4.310.0070.01515.14
5.4.300.0030.01915.10
5.4.290.0050.01915.07
5.4.280.0060.02514.92
5.4.270.0050.01915.04
5.4.260.0050.01615.07
5.4.250.0060.01614.78
5.4.240.0050.03214.94
5.4.230.0050.02514.98
5.4.220.0050.04015.12
5.4.210.0030.01815.07
5.4.200.0100.03714.93
5.4.190.0050.01714.96
5.4.180.0070.01714.78
5.4.170.0100.03515.00
5.4.160.0100.04014.77
5.4.150.0080.02514.94
5.4.140.0050.02313.87
5.4.130.0040.02613.54
5.4.120.0020.04213.63
5.4.110.0050.03913.62
5.4.100.0060.01713.88
5.4.90.0060.01513.74
5.4.80.0020.03613.76
5.4.70.0080.03113.82
5.4.60.0050.01713.82
5.4.50.0070.01713.72
5.4.40.0020.03513.78
5.4.30.0020.02413.71
5.4.20.0080.01513.67
5.4.10.0080.01313.73
5.4.00.0030.02313.38
5.3.290.0040.01912.61
5.3.280.0120.02712.36
5.3.270.0050.03612.53
5.3.260.0020.04712.40
5.3.250.0070.03412.39
5.3.240.0060.01812.28
5.3.230.0080.04012.43
5.3.220.0030.04512.29
5.3.210.0070.03812.47
5.3.200.0070.02012.32
5.3.190.0010.02212.49
5.3.180.0050.01812.46
5.3.170.0030.02312.58
5.3.160.0040.01712.46
5.3.150.0020.02012.46
5.3.140.0020.01912.41
5.3.130.0050.01912.40
5.3.120.0030.01812.32
5.3.110.0050.01912.47
5.3.100.0020.02012.14
5.3.90.0060.01712.15
5.3.80.0050.01612.18
5.3.70.0020.02112.18
5.3.60.0030.01712.05
5.3.50.0030.01712.22
5.3.40.0000.01912.15
5.3.30.0070.03612.09
5.3.20.0020.02912.04
5.3.10.0050.02211.94
5.3.00.0070.03211.83
5.2.170.0000.02711.63
5.2.160.0030.02311.63
5.2.150.0030.05011.63
5.2.140.0130.04311.63
5.2.130.0000.05711.63
5.2.120.0030.02711.63
5.2.110.0000.04711.63
5.2.100.0030.02311.63
5.2.90.0070.06011.63
5.2.80.0030.04011.63
5.2.70.0130.05311.63
5.2.60.0000.02711.63
5.2.50.0070.06011.63
5.2.40.0000.02711.63
5.2.30.0030.02311.63
5.2.20.0030.02311.63
5.2.10.0070.03011.63
5.2.00.0030.02711.63
5.1.60.0070.04711.63
5.1.50.0000.02711.63
5.1.40.0070.02311.63
5.1.30.0000.02311.63
5.1.20.0100.05011.63
5.1.10.0030.04011.63
5.1.00.0000.03711.63
5.0.50.0000.01711.63
5.0.40.0030.01311.63
5.0.30.0070.06011.63
5.0.20.0070.03711.63
5.0.10.0070.04011.63
5.0.00.0000.06311.63
4.4.90.0000.03711.63
4.4.80.0030.01011.63
4.4.70.0000.03711.63
4.4.60.0030.03311.63
4.4.50.0000.02711.63
4.4.40.0000.03311.63
4.4.30.0030.03311.63
4.4.20.0070.02011.63
4.4.10.0030.01011.63
4.4.00.0070.05011.63
4.3.110.0070.02711.63
4.3.100.0000.03011.63
4.3.90.0030.01311.63
4.3.80.0030.02711.63
4.3.70.0000.01311.63
4.3.60.0070.02711.63
4.3.50.0030.02011.63
4.3.40.0000.03711.63
4.3.30.0000.01311.63
4.3.20.0000.03711.63
4.3.10.0000.02711.63
4.3.00.0030.02011.63

preferences:
67.38 ms | 400 KiB | 5 Q