3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bob = function($x, $y = 10){ return $x + $y; }; $functionReflection = new ReflectionFunction($bob); $parameters = $functionReflection->getParameters(); foreach($parameters as $param) { echo $param->name . ' '; echo intval($param->isOptional()); echo "\n"; }

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)
8.3.60.0110.00818.43
8.3.50.0110.00921.92
8.3.40.0120.00618.84
8.3.30.0040.01118.95
8.3.20.0080.00020.21
8.3.10.0050.00322.00
8.3.00.0070.00022.34
8.2.180.0120.00316.35
8.2.170.0120.00322.96
8.2.160.0040.01118.95
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00819.36
8.2.110.0070.00322.25
8.2.100.0040.00817.72
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0000.00718.02
8.2.20.0070.00017.68
8.2.10.0040.00417.61
8.2.00.0100.00017.69
8.1.280.0090.00625.92
8.1.270.0040.00422.11
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0000.00920.17
8.1.230.0080.00317.70
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0080.00017.52
8.1.180.0050.00318.63
8.1.170.0030.00518.61
8.1.160.0050.00322.06
8.1.150.0000.00718.52
8.1.140.0030.00517.46
8.1.130.0050.00317.89
8.1.120.0040.00317.49
8.1.110.0030.00517.43
8.1.100.0000.00717.48
8.1.90.0040.00417.33
8.1.80.0000.00817.47
8.1.70.0000.00717.34
8.1.60.0000.01017.48
8.1.50.0050.00217.49
8.1.40.0030.00517.53
8.1.30.0000.00717.56
8.1.20.0000.00717.66
8.1.10.0040.00417.45
8.1.00.0050.00217.48
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0070.00018.45
8.0.270.0070.00017.26
8.0.260.0000.00716.83
8.0.250.0000.00716.99
8.0.240.0030.00317.03
8.0.230.0030.00316.88
8.0.220.0050.00216.95
8.0.210.0030.00316.81
8.0.200.0000.00716.95
8.0.190.0030.00316.87
8.0.180.0020.00516.93
8.0.170.0050.00216.86
8.0.160.0070.00016.83
8.0.150.0040.00416.89
8.0.140.0040.00416.85
8.0.130.0060.00013.36
8.0.120.0000.00716.89
8.0.110.0000.00716.86
8.0.100.0000.00716.82
8.0.90.0050.00216.89
8.0.80.0120.00316.89
8.0.70.0070.00016.84
8.0.60.0040.00416.77
8.0.50.0000.00716.85
8.0.30.0060.01217.00
8.0.20.0090.00917.42
8.0.10.0020.00516.96
8.0.00.0100.00816.87
7.4.330.0000.00515.00
7.4.320.0030.00516.43
7.4.300.0000.00616.43
7.4.290.0070.00016.50
7.4.280.0030.00316.62
7.4.270.0000.00716.62
7.4.260.0070.00316.64
7.4.250.0000.00816.61
7.4.240.0030.00516.54
7.4.230.0000.00716.68
7.4.220.0130.00816.54
7.4.210.0090.00816.60
7.4.200.0000.00716.60
7.4.190.0000.00716.77
7.4.160.0070.01116.24
7.4.150.0150.00617.40
7.4.140.0130.00517.86
7.4.130.0120.00516.53
7.4.120.0090.01116.43
7.4.110.0090.00916.55
7.4.100.0040.01516.51
7.4.90.0090.00916.42
7.4.80.0090.01219.39
7.4.70.0070.01116.31
7.4.60.0140.00416.63
7.4.50.0000.00416.64
7.4.40.0020.01022.77
7.4.30.0030.01316.34
7.4.00.0090.00614.66
7.3.330.0000.00513.25
7.3.320.0000.00513.32
7.3.310.0030.00316.16
7.3.300.0030.00316.32
7.3.290.0070.01316.22
7.3.280.0080.01116.26
7.3.270.0140.00317.40
7.3.260.0100.01016.54
7.3.250.0170.00416.22
7.3.240.0130.00316.21
7.3.230.0070.01216.43
7.3.210.0080.00816.37
7.3.200.0130.00319.39
7.3.190.0140.00716.34
7.3.180.0070.00716.26
7.3.170.0070.01016.63
7.3.160.0110.01116.63
7.3.120.0040.00714.89
7.3.10.0160.00516.38
7.3.00.0130.01316.04
7.2.330.0090.00916.81
7.2.320.0140.00716.85
7.2.310.0150.00816.84
7.2.300.0100.01016.40
7.2.290.0130.00316.82
7.2.130.0190.01316.77
7.2.120.0140.00916.56
7.2.110.0080.01216.54
7.2.100.0030.01016.81
7.2.90.0120.00316.60
7.2.80.0050.00516.59
7.2.70.0070.00716.84
7.2.60.0070.00916.79
7.2.50.0060.00916.82
7.2.40.0040.01117.13
7.2.30.0080.00616.77
7.2.20.0100.00816.21
7.2.10.0050.00516.54
7.2.00.0040.00917.82
7.1.250.0060.00915.14
7.1.200.0030.01015.80
7.1.100.0070.00318.04
7.1.70.0030.00617.02
7.1.60.0100.01419.82
7.1.50.0070.01716.99
7.1.00.0100.07022.36
7.0.200.0040.00416.47
7.0.140.0100.06721.97
7.0.60.0100.08019.87
7.0.50.0070.07317.84
7.0.40.0070.05720.27
7.0.30.0430.03020.03
7.0.20.0300.08020.33
7.0.10.0000.09020.08
7.0.00.0070.04720.03
5.6.280.0070.07020.86
5.6.210.0130.07720.61
5.6.200.0070.05718.29
5.6.190.0030.08320.55
5.6.180.0230.07320.50
5.6.170.0270.07720.55
5.6.160.0100.08020.39
5.6.150.0170.06018.25
5.6.140.0000.04318.28
5.6.130.0070.08718.18
5.6.120.0100.03720.94
5.6.110.0070.04021.00
5.6.100.0100.03720.96
5.6.90.0100.08320.95
5.6.80.0130.07320.45
5.6.70.4600.03720.40
5.5.350.0100.08320.41
5.5.340.0130.03318.14
5.5.330.0070.03720.57
5.5.320.0270.07320.51
5.5.310.0300.06720.27
5.5.300.0100.07017.99
5.5.290.0200.07318.08
5.5.280.0100.07720.85
5.5.270.0100.08320.87
5.5.260.0100.07720.77
5.5.250.0130.08020.50
5.5.240.0070.07320.27
5.4.450.0270.06719.38
5.4.440.0730.07019.70
5.4.430.0200.05019.62
5.4.420.0370.06319.16
5.4.410.0530.05719.21
5.4.400.1600.00018.53
5.4.390.1570.00018.47
5.4.380.0230.06018.82
5.4.370.0330.05318.77
5.4.360.0400.03718.57
5.4.350.0130.06018.59
5.4.340.0270.04718.48
5.4.320.0100.04212.51
5.4.310.0070.03712.50
5.4.300.0070.03612.50
5.4.290.0080.04012.50
5.4.280.0080.03312.40
5.4.270.0020.04612.39
5.4.260.0200.05018.93
5.4.250.0130.04318.76
5.4.240.0070.07718.65
5.4.230.0030.05719.04
5.4.220.0130.04718.99
5.4.210.0030.06318.94
5.4.200.0100.04718.99
5.4.190.0070.05018.99
5.4.180.0100.04718.90
5.4.170.0100.04718.79
5.4.160.0130.04718.63
5.4.150.0100.05018.91
5.4.140.0030.07716.29
5.4.130.0030.07316.37
5.4.120.0030.06016.32
5.4.110.0030.06016.41
5.4.100.0030.05716.50
5.4.90.0070.04716.47
5.4.80.0100.04316.47
5.4.70.0030.05716.36
5.4.60.0100.05316.46
5.4.50.0100.04316.46
5.4.40.0200.05716.41
5.4.30.0070.06016.45
5.4.20.0100.07016.44
5.4.10.0070.05016.37
5.4.00.0070.06715.77
5.3.290.0050.04812.80
5.3.280.0030.05314.59
5.3.270.0070.05014.69
5.3.260.0070.05314.68
5.3.250.0100.04714.60
5.3.240.0070.05014.51
5.3.230.0070.05314.60
5.3.220.0030.05314.65
5.3.210.0070.07014.79
5.3.200.0100.04714.74
5.3.190.0070.04714.63
5.3.180.0170.05014.64
5.3.170.0030.05314.65
5.3.160.0100.04714.64
5.3.150.0070.05014.56
5.3.140.0030.05314.64
5.3.130.0070.05314.68
5.3.120.0100.05014.68
5.3.110.0100.07014.57
5.3.100.0100.04714.02
5.3.90.0000.07314.23
5.3.80.0170.05714.09
5.3.70.0100.04714.11
5.3.60.0100.04714.06
5.3.50.0030.05713.92
5.3.40.0030.06013.93
5.3.30.0100.04314.13
5.3.20.0030.05313.78
5.3.10.0100.04313.87
5.3.00.0130.04013.72
5.2.170.0070.05711.07
5.2.160.0100.05311.15
5.2.150.0030.04711.13
5.2.140.0070.05311.15
5.2.130.0070.04011.02
5.2.120.0130.03011.00
5.2.110.0070.05011.01
5.2.100.0100.03710.93
5.2.90.0030.04011.11
5.2.80.0070.04311.11
5.2.70.0070.06011.10
5.2.60.0000.06311.07
5.2.50.0070.03711.13
5.2.40.0070.04311.00
5.2.30.0030.04311.12
5.2.20.0030.04310.86
5.2.10.0130.03010.84
5.2.00.0070.03710.64
5.1.60.0000.03710.04
5.1.50.0070.03310.04
5.1.40.0000.0379.91
5.1.30.0100.04710.40
5.1.20.0000.05710.43
5.1.10.0000.03710.11
5.1.00.0030.03710.12
5.0.50.0030.0378.57
5.0.40.0070.0338.17
5.0.30.0030.0408.28
5.0.20.0030.0308.25
5.0.10.0030.0408.23
5.0.00.0100.0508.17
4.4.90.0000.0236.97
4.4.80.0070.0176.97
4.4.70.0030.0236.97
4.4.60.0030.0206.97
4.4.50.0100.0236.97
4.4.40.0000.0436.97
4.4.30.0030.0206.97
4.4.20.0000.0236.97
4.4.10.0030.0206.97
4.4.00.0000.0476.97
4.3.110.0000.0236.97
4.3.100.0030.0206.97
4.3.90.0070.0276.97
4.3.80.0030.0336.97
4.3.70.0100.0136.97
4.3.60.0000.0236.97
4.3.50.0100.0176.97
4.3.40.0070.0276.97
4.3.30.0000.0236.97
4.3.20.0000.0236.97
4.3.10.0030.0206.97
4.3.00.0100.0206.82

preferences:
43.54 ms | 401 KiB | 5 Q