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 $param->isOptional() ? $param->getDefaultValue() : ' N/A '; 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)
8.3.70.0120.00918.28
8.3.60.0190.00018.24
8.3.50.0170.00021.96
8.3.40.0110.00718.76
8.3.30.0110.00319.09
8.3.20.0040.00420.30
8.3.10.0050.00321.97
8.3.00.0080.00022.39
8.2.180.0100.01018.29
8.2.170.0040.01122.96
8.2.160.0070.00719.16
8.2.150.0070.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0100.00020.53
8.2.100.0040.00817.91
8.2.90.0040.00419.09
8.2.80.0080.00018.04
8.2.70.0040.00417.37
8.2.60.0080.00018.03
8.2.50.0000.00818.07
8.2.40.0030.00518.22
8.2.30.0080.00018.05
8.2.20.0040.00417.67
8.2.10.0000.00717.80
8.2.00.0090.00017.74
8.1.280.0120.00925.92
8.1.270.0040.00422.06
8.1.260.0050.00226.35
8.1.250.0030.00628.09
8.1.240.0090.00324.05
8.1.230.0030.00917.57
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.39
8.1.180.0000.00818.67
8.1.170.0060.00318.65
8.1.160.0000.00722.02
8.1.150.0000.00818.68
8.1.140.0090.00017.39
8.1.130.0000.00717.70
8.1.120.0030.00317.35
8.1.110.0040.00417.34
8.1.100.0000.00717.48
8.1.90.0040.00417.41
8.1.80.0000.00817.49
8.1.70.0030.00317.45
8.1.60.0000.01017.64
8.1.50.0030.00617.53
8.1.40.0000.00817.52
8.1.30.0000.00717.50
8.1.20.0000.00817.60
8.1.10.0040.00417.56
8.1.00.0070.00317.52
8.0.300.0030.00618.77
8.0.290.0030.00617.18
8.0.280.0040.00418.40
8.0.270.0000.00717.25
8.0.260.0030.00316.82
8.0.250.0000.00716.95
8.0.240.0040.00417.05
8.0.230.0000.00717.00
8.0.220.0040.00416.94
8.0.210.0000.00716.93
8.0.200.0030.00317.02
8.0.190.0050.00316.99
8.0.180.0000.00816.89
8.0.170.0040.00416.91
8.0.160.0030.00616.89
8.0.150.0050.00316.84
8.0.140.0000.00716.79
8.0.130.0030.00313.34
8.0.120.0040.00416.79
8.0.110.0040.00416.73
8.0.100.0050.00316.90
8.0.90.0000.00816.99
8.0.80.0040.01116.89
8.0.70.0000.00816.94
8.0.60.0000.00716.79
8.0.50.0000.00716.74
8.0.30.0080.01017.30
8.0.20.0120.00717.40
8.0.10.0070.00016.92
8.0.00.0070.01216.81
7.4.330.0030.00315.00
7.4.320.0000.00716.50
7.4.300.0030.00316.50
7.4.290.0070.00016.48
7.4.280.0000.00716.48
7.4.270.0000.00716.63
7.4.260.0000.00816.62
7.4.250.0000.00816.46
7.4.240.0010.00616.51
7.4.230.0080.00016.50
7.4.220.0090.01516.63
7.4.210.0090.00916.55
7.4.200.0040.00416.68
7.4.190.0030.00316.41
7.4.160.0140.00416.38
7.4.150.0150.00317.40
7.4.140.0050.01417.86
7.4.130.0140.00316.42
7.4.120.0070.01116.53
7.4.110.0040.01516.64
7.4.100.0110.00616.48
7.4.90.0160.00316.50
7.4.80.0170.00319.39
7.4.70.0040.02016.46
7.4.60.0130.00316.50
7.4.50.0030.00316.38
7.4.40.0040.01522.77
7.4.30.0070.01616.62
7.4.00.0030.01214.89
7.3.330.0030.00313.33
7.3.320.0020.00213.33
7.3.310.0040.00416.29
7.3.300.0000.00716.15
7.3.290.0030.01016.36
7.3.280.0130.00316.29
7.3.270.0090.01417.40
7.3.260.0110.00616.57
7.3.250.0090.00916.57
7.3.240.0100.01016.38
7.3.230.0060.01116.39
7.3.210.0100.00716.42
7.3.200.0060.01119.39
7.3.190.0220.00016.53
7.3.180.0060.01016.39
7.3.170.0000.02016.37
7.3.160.0120.00916.50
7.3.120.0080.00714.63
7.3.110.0040.00814.70
7.3.100.0100.00314.96
7.3.90.0060.00614.93
7.3.80.0030.01014.63
7.3.70.0030.01414.44
7.3.60.0110.00414.75
7.3.50.0090.00314.71
7.3.40.0000.01714.50
7.3.30.0000.01414.68
7.3.20.0040.01116.64
7.3.10.0030.00716.81
7.3.00.0000.01016.55
7.2.330.0120.00616.59
7.2.320.0180.00316.82
7.2.310.0060.01216.86
7.2.300.0170.00416.51
7.2.290.0100.00616.87
7.2.250.0130.00314.84
7.2.240.0060.01215.12
7.2.230.0060.00915.29
7.2.220.0070.00414.63
7.2.210.0070.01114.68
7.2.200.0000.01415.11
7.2.190.0090.00615.17
7.2.180.0030.00614.89
7.2.170.0110.00314.84
7.1.330.0090.00615.82
7.1.320.0060.00315.89
7.1.310.0030.01215.80
7.1.300.0070.00715.68
7.1.290.0070.00715.80
7.1.280.0000.00915.79
7.1.270.0060.00615.66
7.1.260.0080.00815.74
7.1.70.0000.00817.27
7.1.60.0070.01719.82
7.1.50.0190.00016.93
7.1.00.0030.09322.29
7.0.200.0050.00216.83
7.0.140.0070.07321.95
7.0.60.0200.07320.06
7.0.50.0130.05017.86
7.0.40.0000.05720.14
7.0.30.0270.05320.23
7.0.20.0270.05720.24
7.0.10.0300.06020.09
7.0.00.0100.04020.20
5.6.280.0000.07720.87
5.6.210.0100.07720.63
5.6.200.0130.07318.22
5.6.190.0070.04320.57
5.6.180.3030.04020.61
5.6.170.0400.07320.45
5.6.160.0070.06020.55
5.6.150.0230.03718.18
5.6.140.0100.04318.20
5.6.130.0100.07718.15
5.6.120.0070.03721.04
5.6.110.0070.09021.03
5.6.100.0070.07720.99
5.6.90.0100.07321.13
5.6.80.0030.08320.44
5.6.70.3130.03320.38
5.5.350.0100.07720.41
5.5.340.0030.08317.95
5.5.330.0070.08320.46
5.5.320.0300.08320.31
5.5.310.0270.08020.36
5.5.300.0130.07017.91
5.5.290.0100.07718.01
5.5.280.0000.05020.79
5.5.270.0030.06020.65
5.5.260.0100.08320.64
5.5.250.0070.08020.69
5.5.240.0130.05720.04
5.4.450.0170.05319.31
5.4.440.0600.06019.61
5.4.430.0500.06019.42
5.4.420.0100.05719.70
5.4.410.0630.03719.35
5.4.400.0800.00018.82
5.4.390.0670.00018.73
5.4.380.0270.05018.75
5.4.370.0830.05018.83
5.4.360.0800.05318.51
5.4.350.0670.05018.79
5.4.340.0930.04318.73
5.4.320.0070.03612.51
5.4.310.0100.04112.50
5.4.300.0060.04612.50
5.4.290.0080.04612.50
5.4.280.0090.03612.39
5.4.270.0050.03812.39
5.4.260.0130.04718.93
5.4.250.0030.05718.88
5.4.240.0230.05018.87
5.4.230.0030.07718.93
5.4.220.0070.08018.69
5.4.210.0100.05718.75
5.4.200.0130.06719.06
5.4.190.0100.06018.91
5.4.180.0070.08018.92
5.4.170.0030.06018.85
5.4.160.0070.05718.89
5.4.150.0130.06718.77
5.4.140.0100.06016.36
5.4.130.0070.05716.35
5.4.120.0130.06716.39
5.4.110.0130.06316.48
5.4.100.0130.05316.52
5.4.90.0100.05016.59
5.4.80.0100.04716.43
5.4.70.0030.05316.51
5.4.60.0030.05316.32
5.4.50.0070.04716.37
5.4.40.0130.05716.59
5.4.30.0130.04316.35
5.4.20.0070.04716.36
5.4.10.0170.05716.25
5.4.00.0100.04715.96
5.3.290.0080.03712.80
5.3.280.0330.04714.58
5.3.270.0130.05714.77
5.3.260.0100.07714.43
5.3.250.0170.05314.68
5.3.240.0000.08314.82
5.3.230.0130.04714.70
5.3.220.0070.05314.56
5.3.210.0030.05714.65
5.3.200.0100.05014.55
5.3.190.0130.04714.55
5.3.180.0070.07714.55
5.3.170.0070.05014.57
5.3.160.0100.05014.53
5.3.150.0030.05314.64
5.3.140.0230.03714.38
5.3.130.0170.04714.55
5.3.120.0070.05314.68
5.3.110.0100.07714.63
5.3.100.0070.06014.02
5.3.90.0200.06714.04
5.3.80.0030.07014.20
5.3.70.0030.07014.10
5.3.60.0200.05313.97
5.3.50.0100.05314.03
5.3.40.0200.05713.96
5.3.30.0070.05713.73
5.3.20.0030.05313.68
5.3.10.0100.05013.73
5.3.00.0030.07713.70
5.2.170.0030.05711.14
5.2.160.0070.05311.03
5.2.150.0030.04711.25
5.2.140.0100.04711.29
5.2.130.0070.04011.02
5.2.120.0100.03711.10
5.2.110.0130.05011.02
5.2.100.0100.04311.25
5.2.90.0070.04311.03
5.2.80.0100.03710.87
5.2.70.0070.04311.02
5.2.60.0030.06311.00
5.2.50.0100.05711.05
5.2.40.0070.03710.75
5.2.30.0000.05010.73
5.2.20.0100.05010.89
5.2.10.0030.04310.90
5.2.00.0130.05310.89
5.1.60.0070.05010.22
5.1.50.0030.0379.92
5.1.40.0130.03710.07
5.1.30.0130.04710.39
5.1.20.0100.04710.29
5.1.10.0070.03710.12
5.1.00.0030.0439.99
5.0.50.0170.0278.50
5.0.40.0030.0278.18
5.0.30.0030.0408.11
5.0.20.0030.0278.15
5.0.10.0030.0308.22
5.0.00.0000.0538.24
4.4.90.0030.0237.04
4.4.80.0000.0237.04
4.4.70.0070.0207.04
4.4.60.0170.0137.04
4.4.50.0100.0177.04
4.4.40.0000.0377.04
4.4.30.0000.0337.04
4.4.20.0030.0307.04
4.4.10.0000.0237.04
4.4.00.0070.0437.04
4.3.110.0030.0207.04
4.3.100.0070.0177.04
4.3.90.0030.0207.04
4.3.80.0030.0377.04
4.3.70.0000.0237.04
4.3.60.0100.0177.04
4.3.50.0000.0237.04
4.3.40.0000.0407.04
4.3.30.0070.0207.04
4.3.20.0000.0237.04
4.3.10.0070.0207.04
4.3.00.0100.0236.80

preferences:
45.08 ms | 401 KiB | 5 Q