3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(array $a) { } $functionReflection = new ReflectionFunction('foo'); $parameters = $functionReflection->getParameters(); $aParameter = $parameters[0]; var_dump($aParameter->getDeclaringClass());

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)
8.3.60.0130.01016.38
8.3.50.0140.00721.92
8.3.40.0110.01118.67
8.3.30.0040.01119.27
8.3.20.0070.00020.34
8.3.10.0080.00023.66
8.3.00.0050.00319.69
8.2.180.0140.00416.38
8.2.170.0090.00922.96
8.2.160.0070.00720.38
8.2.150.0180.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.36
8.2.110.0050.00322.08
8.2.100.0060.00617.91
8.2.90.0040.00419.26
8.2.80.0060.00317.97
8.2.70.0000.00917.38
8.2.60.0040.00417.78
8.2.50.0050.00318.07
8.2.40.0030.00619.39
8.2.30.0000.00818.36
8.2.20.0040.00417.71
8.2.10.0000.00717.93
8.2.00.0050.00217.55
8.1.280.0070.01425.92
8.1.270.0000.00823.88
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00323.91
8.1.230.0080.00319.22
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0060.00617.36
8.1.190.0030.00617.22
8.1.180.0030.00518.10
8.1.170.0040.00418.55
8.1.160.0040.00421.82
8.1.150.0000.00818.54
8.1.140.0000.00817.29
8.1.130.0000.00717.86
8.1.120.0000.00817.38
8.1.110.0040.00417.42
8.1.100.0000.00717.41
8.1.90.0030.00317.41
8.1.80.0000.00717.39
8.1.70.0030.00317.33
8.1.60.0000.00817.54
8.1.50.0000.00717.42
8.1.40.0040.00417.35
8.1.30.0030.00517.47
8.1.20.0040.00417.62
8.1.10.0000.00717.53
8.1.00.0000.00917.36
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0000.00718.38
8.0.270.0000.00717.13
8.0.260.0000.00617.20
8.0.250.0030.00316.90
8.0.240.0040.00416.84
8.0.230.0050.00216.86
8.0.220.0070.00016.84
8.0.210.0030.00316.86
8.0.200.0030.00316.80
8.0.190.0040.00416.93
8.0.180.0040.00416.71
8.0.170.0040.00416.75
8.0.160.0000.00716.80
8.0.150.0050.00316.68
8.0.140.0080.00316.81
8.0.130.0030.00313.25
8.0.120.0030.00516.66
8.0.110.0020.00516.73
8.0.100.0080.00016.84
8.0.90.0070.00016.73
8.0.80.0030.01316.82
8.0.70.0040.00416.89
8.0.60.0050.00316.85
8.0.50.0060.00316.85
8.0.30.0130.00817.09
8.0.20.0100.01317.40
8.0.10.0000.00716.95
8.0.00.0110.00616.54
7.4.330.0050.00015.00
7.4.320.0000.00616.58
7.4.300.0000.00616.52
7.4.290.0000.00716.54
7.4.280.0080.00216.53
7.4.270.0000.00716.50
7.4.260.0060.00316.43
7.4.250.0080.00016.50
7.4.240.0020.00516.46
7.4.230.0070.00016.55
7.4.220.0090.01416.33
7.4.210.0090.00616.56
7.4.200.0030.00316.45
7.4.160.0000.01716.41
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0100.00816.42
7.4.120.0080.00916.35
7.4.110.0070.01016.43
7.4.100.0070.01016.14
7.4.90.0130.00316.50
7.4.80.0120.00619.39
7.4.70.0150.00316.28
7.4.60.0160.00816.31
7.4.50.0050.00316.53
7.4.40.0140.00316.55
7.4.30.0080.00816.57
7.4.00.0040.01114.84
7.3.330.0020.00213.25
7.3.320.0060.00013.22
7.3.310.0030.00316.27
7.3.300.0000.00716.21
7.3.290.0070.00716.25
7.3.280.0130.00516.24
7.3.270.0120.00717.40
7.3.260.0100.00716.19
7.3.250.0120.00916.50
7.3.240.0120.00616.22
7.3.230.0140.00316.39
7.3.210.0100.00716.20
7.3.200.0060.01619.39
7.3.190.0140.00616.64
7.3.180.0090.00616.29
7.3.170.0000.01516.42
7.3.160.0100.00616.26
7.3.120.0030.01014.85
7.2.330.0140.00316.23
7.2.320.0120.00616.39
7.2.310.0080.00816.43
7.2.300.0180.00316.41
7.2.290.0060.00916.22
7.2.00.0040.01119.15
7.1.200.0070.00415.80
7.1.100.0000.01118.16
7.1.70.0040.00417.10
7.1.60.0100.01319.70
7.1.50.0090.01516.85
7.1.00.0030.07322.51
7.0.200.0110.00716.65
7.0.140.0030.07321.95
7.0.70.0070.05721.93
7.0.60.0100.07321.72
7.0.50.0000.08722.16
7.0.40.0200.07320.04
7.0.30.0070.08320.09
7.0.20.0100.05720.14
7.0.10.0070.08020.13
7.0.00.0100.07020.02
5.6.280.0000.07721.04
5.6.220.0130.07320.67
5.6.210.0000.06020.55
5.6.200.0100.07721.08
5.6.190.0100.07721.01
5.6.180.0070.07721.04
5.6.170.0100.06321.13
5.6.160.0070.07721.11
5.6.150.0030.06721.11
5.6.140.0000.07321.05
5.6.130.0030.08021.04
5.6.120.0100.05721.09
5.6.110.0030.08321.13
5.6.100.0000.09021.05
5.6.90.0070.08721.08
5.6.80.0030.06320.56
5.6.70.0030.08320.43
5.6.60.0000.06720.40
5.6.50.0030.08020.52
5.6.40.0030.05720.46
5.6.30.0000.05720.47
5.6.20.0070.07720.43
5.6.10.0030.08320.48
5.6.00.0030.08320.34
5.5.360.0130.07020.38
5.5.350.0000.07020.34
5.5.340.0000.06720.87
5.5.330.0030.07320.91
5.5.320.0030.08720.64
5.5.310.0070.08020.93
5.5.300.0070.08320.88
5.5.290.0070.07320.86
5.5.280.0100.08320.75
5.5.270.0070.08320.88
5.5.260.0100.06720.82
5.5.250.0100.07320.71
5.5.240.0070.08320.29
5.5.230.0070.07320.14
5.5.220.0030.08320.28
5.5.210.0030.06020.25
5.5.200.0130.06720.08
5.5.190.0030.06720.22
5.5.180.0000.07320.18
5.5.160.0170.07020.22
5.5.150.0030.07319.98
5.5.140.0000.05320.25
5.5.130.0030.05320.11
5.5.120.0030.05320.23
5.5.110.0070.05320.22
5.5.100.0000.08320.07
5.5.90.0000.09020.02
5.5.80.0030.05320.15
5.5.70.0030.08320.14
5.5.60.0070.06720.05
5.5.50.0000.06719.93
5.5.40.0030.08020.11
5.5.30.0000.07020.15
5.5.20.0070.07720.04
5.5.10.0000.08320.11
5.5.00.0000.05319.99
5.4.450.0130.05319.22
5.4.440.0130.07719.36
5.4.430.0000.08319.45
5.4.420.0100.07019.22
5.4.410.0030.07319.14
5.4.400.0030.06719.03
5.4.390.0130.07018.84
5.4.380.0030.06319.23
5.4.370.0100.05319.21
5.4.360.0070.07719.05
5.4.350.0030.07019.04
5.4.340.0000.06718.87
5.4.320.0130.07019.16
5.4.310.0100.06719.13
5.4.300.0000.08319.13
5.4.290.0030.07719.04
5.4.280.0030.07019.17
5.4.270.0030.06718.90
5.4.260.0030.08019.04
5.4.250.0000.07718.83
5.4.240.0000.05719.13
5.4.230.0070.07019.17
5.4.220.0070.07319.23
5.4.210.0000.05319.02
5.4.200.0100.07019.10
5.4.190.0070.07718.84
5.4.180.0000.05719.14
5.4.170.0070.07018.89
5.4.160.0070.06719.01
5.4.150.0000.07719.03
5.4.140.0070.07316.46
5.4.130.0070.06316.32
5.4.120.0030.05016.49
5.4.110.0030.07716.51
5.4.100.0000.07716.27
5.4.90.0000.06016.36
5.4.80.0100.06316.26
5.4.70.0070.04716.34
5.4.60.0030.07716.45
5.4.50.0070.04016.37
5.4.40.0030.05716.50
5.4.30.0030.07316.36
5.4.20.0000.04316.36
5.4.10.0030.07716.36
5.4.00.0000.06315.89
5.3.290.0030.08014.64
5.3.280.0000.05314.66
5.3.270.0000.08014.67
5.3.260.0100.07714.57
5.3.250.0070.06014.72
5.3.240.0030.07014.61
5.3.230.0030.07314.54
5.3.220.0000.04314.68
5.3.210.0030.07314.67
5.3.200.0030.07714.52
5.3.190.0030.05714.63
5.3.180.0130.07314.54
5.3.170.0030.07314.48
5.3.160.0070.07714.62
5.3.150.0070.07714.49
5.3.140.0030.07314.47
5.3.130.0030.05314.67
5.3.120.0000.08314.68
5.3.110.0030.05314.46
5.3.100.0030.08014.13
5.3.90.0000.04714.01
5.3.80.0000.07713.90
5.3.70.0130.02314.04
5.3.60.0100.07014.05
5.3.50.0030.03314.05
5.3.40.0030.07713.93
5.3.30.0030.07714.02
5.3.20.0030.07713.62
5.3.10.0030.03313.71
5.3.00.0030.04013.54
5.2.170.0000.06712.22
5.2.160.0030.06012.22
5.2.150.0030.06312.22
5.2.140.0070.06012.22
5.2.130.0030.03312.22
5.2.120.0000.03012.22
5.2.110.0030.04012.22
5.2.100.0000.04712.22
5.2.90.0070.06012.22
5.2.80.0000.05712.22
5.2.70.0200.05312.22
5.2.60.0030.06312.22
5.2.50.0030.05312.22
5.2.40.0030.06012.22
5.2.30.0030.06012.22
5.2.20.0030.06312.22
5.2.10.0070.04012.22
5.2.00.0030.06012.22
5.1.60.0100.04712.22
5.1.50.0070.04712.22
5.1.40.0030.04312.22
5.1.30.0030.05712.22
5.1.20.0070.05012.22
5.1.10.0030.03312.22
5.1.00.0000.04012.22
5.0.50.0000.04712.22
5.0.40.0030.04312.22
5.0.30.0000.06712.22
5.0.20.0000.04012.22
5.0.10.0000.03712.22
5.0.00.0030.05712.22
4.4.90.0000.03712.22
4.4.80.0070.02712.22
4.4.70.0030.03312.22
4.4.60.0030.03312.22
4.4.50.0030.03312.22
4.4.40.0000.04312.22
4.4.30.0000.03712.22
4.4.20.0000.02712.22
4.4.10.0000.03312.22
4.4.00.0070.04712.22
4.3.110.0070.03012.22
4.3.100.0000.03312.22
4.3.90.0000.03012.22
4.3.80.0000.05312.22
4.3.70.0030.03312.22
4.3.60.0000.03712.22
4.3.50.0000.04012.22
4.3.40.0030.04312.22
4.3.30.0000.02312.22
4.3.20.0030.03312.22
4.3.10.0000.02312.22
4.3.00.0070.01312.22

preferences:
42.1 ms | 401 KiB | 5 Q