3v4l.org

run code in 300+ PHP versions simultaneously
<?php use B\D, C\E as F; namespace A ; use B\D, C\E as F; // function calls function foo() { echo __NAMESPACE__;} namespace C; use B\D, C\E as F; class E { function foo() { echo __NAMESPACE__;}} //* namespace{ use B\D, C\E as F; echo __NAMESPACE__; // function calls*/ new F(); F\foo(); // first tries to call "foo" defined in namespace "A" // then calls global function "foo" new D(); // using import rules, creates object of class "D" defined in namespace "B" // if not found, it tries to autoload class "B\D" new F(); // using import rules, creates object of class "E" defined in namespace "C" // if not found, it tries to autoload class "C\E" new \B(); // creates object of class "B" defined in global scope // if not found, it tries to autoload class "B" new \D(); // creates object of class "D" defined in global scope // if not found, it tries to autoload class "D" new \F(); // creates object of class "F" defined in global scope // if no ?>

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)
8.3.60.0120.00918.30
8.3.50.0110.00621.09
8.3.40.0140.00018.54
8.3.30.0100.00318.58
8.3.20.0000.00818.57
8.3.10.0080.00020.97
8.3.00.0050.00223.66
8.2.180.0110.00716.38
8.2.170.0110.00422.96
8.2.160.0100.01020.35
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0030.00326.16
8.2.120.0120.00619.41
8.2.110.0090.00021.19
8.2.100.0030.00917.78
8.2.90.0020.00519.05
8.2.80.0000.00717.97
8.2.70.0040.00417.50
8.2.60.0030.00517.90
8.2.50.0040.00418.07
8.2.40.0020.00518.09
8.2.30.0020.00519.33
8.2.20.0050.00417.57
8.2.10.0000.00717.52
8.2.00.0000.00817.65
8.1.280.0100.01025.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0090.00320.57
8.1.230.0040.00720.90
8.1.220.0050.00318.77
8.1.210.0040.00418.77
8.1.200.0040.00417.13
8.1.190.0070.00017.38
8.1.180.0040.00418.10
8.1.170.0080.00018.46
8.1.160.0040.00418.77
8.1.150.0040.00418.49
8.1.140.0050.00217.26
8.1.130.0000.00717.66
8.1.120.0000.00717.26
8.1.110.0060.00317.31
8.1.100.0040.00417.21
8.1.90.0000.00717.34
8.1.80.0070.00017.33
8.1.70.0070.00017.32
8.1.60.0000.00717.41
8.1.50.0030.00617.39
8.1.40.0000.00817.36
8.1.30.0050.00317.45
8.1.20.0000.00817.56
8.1.10.0000.00817.24
8.1.00.0040.00417.21
8.0.300.0050.00219.77
8.0.290.0040.00417.05
8.0.280.0070.00018.32
8.0.270.0070.00017.11
8.0.260.0040.00416.68
8.0.250.0040.00416.92
8.0.240.0080.00016.91
8.0.230.0020.00516.90
8.0.220.0080.00016.76
8.0.210.0000.00716.84
8.0.200.0030.00316.77
8.0.190.0050.00216.82
8.0.180.0030.00616.83
8.0.170.0030.00616.75
8.0.160.0030.00316.84
8.0.150.0040.00416.77
8.0.140.0040.00416.75
8.0.130.0030.00313.18
8.0.120.0060.00316.82
8.0.110.0000.00716.80
8.0.100.0070.00016.67
8.0.90.0000.00716.81
8.0.80.0070.00916.78
8.0.70.0000.00716.88
8.0.60.0050.00316.84
8.0.50.0000.00716.88
8.0.30.0080.01017.03
8.0.20.0150.00617.40
8.0.10.0000.00716.95
8.0.00.0050.01316.65
7.4.330.0030.00314.76
7.4.320.0040.00416.50
7.4.300.0030.00316.33
7.4.290.0070.00016.54
7.4.280.0000.00716.43
7.4.270.0040.00416.54
7.4.260.0000.00613.32
7.4.250.0040.00416.50
7.4.240.0000.00716.46
7.4.230.0000.00716.61
7.4.220.0130.00616.47
7.4.210.0090.00716.48
7.4.200.0030.00316.19
7.4.190.0070.00016.63
7.4.160.0130.00316.48
7.4.150.0130.00417.40
7.4.140.0110.00717.86
7.4.130.0100.00716.38
7.4.120.0050.01116.58
7.4.110.0080.00816.72
7.4.100.0130.00316.51
7.4.90.0120.00616.71
7.4.80.0100.00619.37
7.4.70.0100.00716.51
7.4.60.0080.01016.34
7.4.50.0030.00616.21
7.4.40.0040.01122.52
7.4.30.0070.01416.57
7.4.00.0070.00715.07
7.3.330.0050.00013.09
7.3.320.0000.00513.15
7.3.310.0000.00716.30
7.3.300.0070.00016.16
7.3.290.0110.00716.37
7.3.280.0050.01016.27
7.3.270.0080.00817.40
7.3.260.0120.00818.24
7.3.250.0100.00616.37
7.3.240.0070.01016.36
7.3.230.0090.00816.39
7.3.210.0090.01316.23
7.3.200.0040.01519.39
7.3.190.0090.00916.45
7.3.180.0070.01016.43
7.3.170.0150.00316.43
7.3.160.0160.00716.33
7.3.120.0150.00314.60
7.2.330.0100.01316.35
7.2.320.0130.01016.64
7.2.310.0070.01116.52
7.2.300.0030.01216.35
7.2.290.0070.01116.74
7.2.60.0040.01216.86
7.1.200.0030.01015.48
7.1.70.0030.00317.08
7.1.60.0090.01519.40
7.1.50.0100.01416.61
7.1.00.0000.07022.46
7.0.200.0000.00816.82
7.0.140.0000.07722.07
7.0.70.0000.08021.64
7.0.60.0030.08021.71
7.0.50.0000.05722.10
7.0.40.0030.07320.17
7.0.30.0030.08020.07
7.0.20.0030.05720.09
7.0.10.0100.06320.12
7.0.00.0100.07020.07
5.6.220.0100.07720.66
5.6.210.0070.08020.44
5.6.200.0000.08721.11
5.6.190.0030.04721.05
5.6.180.0000.07021.09
5.6.170.0030.06021.01
5.6.160.0070.08020.99
5.6.150.0200.06321.05
5.6.140.0100.06321.06
5.6.130.0030.08020.97
5.6.120.0070.08021.10
5.6.110.0070.07321.07
5.6.100.0030.08020.91
5.6.90.0070.06321.00
5.6.80.0130.05320.33
5.6.70.0100.07320.40
5.6.60.0000.08020.30
5.6.50.0030.07720.43
5.6.40.0030.08320.45
5.6.30.0030.06320.40
5.6.20.0000.08020.51
5.6.10.0030.07720.27
5.6.00.0100.05720.41
5.5.360.0000.08320.30
5.5.350.0030.07320.41
5.5.340.0070.08020.86
5.5.330.0000.07020.64
5.5.320.0030.08020.79
5.5.310.0070.07020.79
5.5.300.0030.08020.72
5.5.290.0030.08020.76
5.5.280.0100.07320.63
5.5.270.0100.08020.76
5.5.260.0100.06720.91
5.5.250.0070.08020.45
5.5.240.0000.08320.28
5.5.230.0000.08320.20
5.5.220.0070.07720.29
5.5.210.0030.07720.13
5.5.200.0070.07720.09
5.5.190.0070.07320.21
5.5.180.0030.07320.16
5.5.160.0030.06320.25
5.5.150.0070.06720.25
5.5.140.0030.08320.21
5.5.130.0130.05320.25
5.5.120.0030.08320.25
5.5.110.0000.08020.18
5.5.100.0030.08020.17
5.5.90.0070.06320.11
5.5.80.0070.07320.04
5.5.70.0000.06320.14
5.5.60.0070.07020.13
5.5.50.0070.07020.08
5.5.40.0000.07720.11
5.5.30.0000.08320.08
5.5.20.0100.08019.95
5.5.10.0030.07020.06
5.5.00.0070.07720.04
5.4.450.0070.07319.22
5.4.440.0030.08019.35
5.4.430.0130.07019.34
5.4.420.0070.07319.43
5.4.410.0030.07719.31
5.4.400.0000.07719.22
5.4.390.0030.07319.16
5.4.380.0000.07319.04
5.4.370.0030.07719.18
5.4.360.0000.07319.08
5.4.350.0070.07319.16
5.4.340.0030.07319.13
5.4.320.0030.07319.04
5.4.310.0100.06018.89
5.4.300.0000.06319.11
5.4.290.0070.06319.03
5.4.280.0030.07719.02
5.4.270.0100.07719.17
5.4.260.0000.08019.01
5.4.250.0030.07319.10
5.4.240.0100.06319.07
5.4.230.0030.06319.18
5.4.220.0070.07319.11
5.4.210.0070.07318.84
5.4.200.0070.07319.10
5.4.190.0030.07319.10
5.4.180.0070.07019.02
5.4.170.0000.06719.10
5.4.160.0030.06719.11
5.4.150.0000.08319.09
5.4.140.0000.07716.42
5.4.130.0030.07716.38
5.4.120.0030.06716.32
5.4.110.0070.05716.39
5.4.100.0000.07316.51
5.4.90.0070.03716.43
5.4.80.0000.07316.39
5.4.70.0070.05316.46
5.4.60.0070.07016.46
5.4.50.0030.06316.31
5.4.40.0000.08016.45
5.4.30.0100.06016.25
5.4.20.0030.03716.39
5.4.10.0030.07316.45
5.4.00.0070.05015.69
5.3.290.0100.07314.64
5.3.280.0100.07314.66
5.3.270.0030.06314.54
5.3.260.0030.07714.55
5.3.250.0000.08014.71
5.3.240.0070.07014.72
5.3.230.0070.07014.54
5.3.220.0000.07014.59
5.3.210.0000.07314.67
5.3.200.0030.07714.54
5.3.190.0030.06014.51
5.3.180.0100.07014.68
5.3.170.0000.05714.51
5.3.160.0070.06314.54
5.3.150.0070.04014.56
5.3.140.0000.08014.56
5.3.130.0030.06014.60
5.3.120.0030.07014.61
5.3.110.0030.04714.53
5.3.100.0100.06714.11
5.3.90.0030.05714.06
5.3.80.0030.07314.00
5.3.70.0100.05013.95
5.3.60.0000.06314.11
5.3.50.0100.06713.96
5.3.40.0000.08014.02
5.3.30.0000.04013.79
5.3.20.0030.03313.76
5.3.10.0000.03713.68
5.3.00.0030.03313.56
5.2.170.0000.06711.34
5.2.160.0000.06011.34
5.2.150.0000.05711.34
5.2.140.0070.03311.34
5.2.130.0030.02711.34
5.2.120.0000.03011.34
5.2.110.0000.02711.34
5.2.100.0000.03011.34
5.2.90.0000.03011.34
5.2.80.0000.03011.34
5.2.70.0000.02711.34
5.2.60.0030.02711.34
5.2.50.0000.03011.34
5.2.40.0030.02711.34
5.2.30.0000.03011.34
5.2.20.0000.03011.34
5.2.10.0000.02711.34
5.2.00.0030.02311.34
5.1.60.0070.01711.34
5.1.50.0000.02311.34
5.1.40.0000.02011.34
5.1.30.0030.02011.34
5.1.20.0000.02711.34
5.1.10.0000.02011.34
5.1.00.0000.05311.34
5.0.50.0000.02011.34
5.0.40.0000.02011.34
5.0.30.0030.07711.34
5.0.20.0030.01311.34
5.0.10.0000.01711.34
5.0.00.0000.03711.34
4.4.90.0000.01311.34
4.4.80.0000.01311.34
4.4.70.0000.01311.34
4.4.60.0000.01311.34
4.4.50.0000.01311.34
4.4.40.0000.03011.34
4.4.30.0030.01011.34
4.4.20.0000.01311.34
4.4.10.0000.01311.34
4.4.00.0000.02711.34
4.3.110.0000.02011.34
4.3.100.0000.02011.34
4.3.90.0030.01711.34
4.3.80.0000.02011.34
4.3.70.0000.01011.34
4.3.60.0000.01711.34
4.3.50.0000.01711.34
4.3.40.0030.02011.34
4.3.30.0000.01711.34
4.3.20.0030.01311.34
4.3.10.0000.01711.34
4.3.00.0000.01711.34

preferences:
68.54 ms | 401 KiB | 5 Q