3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*namespace MyProject; use blah\blah as mine; // see "Using namespaces: importing/aliasing" blah\mine(); // calls function MyProject\blah\mine() namespace\blah\mine(); // calls function MyProject\blah\mine() namespace\func(); // calls function MyProject\func() namespace\sub\func(); // calls function MyProject\sub\func() namespace\cname::method(); // calls static method "method" of class MyProject\cname $a = new namespace\sub\cname(); // instantiates object of class MyProject\sub\cname $b = namespace\CONSTANT; // assigns value of constant MyProject\CONSTANT to $b ?>*/ namespace MyProject; function get($classname) { $a = __NAMESPACE__ . '\\' . $classname; return new $a; } class asdf {} get('asdF');

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)
8.3.40.0120.00618.90
8.3.30.0110.00618.59
8.3.20.0080.00018.48
8.3.10.0100.00020.40
8.3.00.0080.00019.25
8.2.170.0140.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00318.83
8.2.110.0060.00320.94
8.2.100.0060.00917.78
8.2.90.0060.00319.50
8.2.80.0050.00219.39
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00718.03
8.2.30.0000.00718.05
8.2.20.0000.01019.54
8.2.10.0040.00417.60
8.2.00.0060.00317.75
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.52
8.1.230.0080.00320.82
8.1.220.0070.00017.74
8.1.210.0030.00619.02
8.1.200.0050.00517.23
8.1.190.0000.00817.50
8.1.180.0080.00018.10
8.1.170.0090.00018.91
8.1.160.0020.00518.73
8.1.150.0040.00718.49
8.1.140.0050.00317.26
8.1.130.0000.00717.84
8.1.120.0000.00817.45
8.1.110.0070.00017.46
8.1.100.0000.00717.44
8.1.90.0050.00317.39
8.1.80.0080.00017.36
8.1.70.0030.00317.30
8.1.60.0050.00317.63
8.1.50.0050.00317.45
8.1.40.0000.00817.46
8.1.30.0040.00417.66
8.1.20.0060.00317.65
8.1.10.0040.00417.61
8.1.00.0030.00517.54
8.0.300.0080.00019.99
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0000.00717.35
8.0.260.0000.00716.78
8.0.250.0070.00016.93
8.0.240.0000.01016.96
8.0.230.0040.00416.86
8.0.220.0070.00016.87
8.0.210.0000.00716.81
8.0.200.0030.00316.97
8.0.190.0040.00416.97
8.0.180.0080.00016.76
8.0.170.0000.00816.96
8.0.160.0000.00716.78
8.0.150.0000.00916.74
8.0.140.0030.00616.75
8.0.130.0000.00613.28
8.0.120.0040.00416.83
8.0.110.0070.00016.89
8.0.100.0070.00016.87
8.0.90.0040.00416.73
8.0.80.0170.00016.79
8.0.70.0080.00016.71
8.0.60.0040.00416.69
8.0.50.0000.00916.76
8.0.30.0140.00416.99
8.0.20.0110.00717.21
8.0.10.0080.00017.01
8.0.00.0160.00616.72
7.4.330.0000.00512.83
7.4.320.0000.00616.34
7.4.300.0030.00316.45
7.4.290.0030.00316.61
7.4.280.0000.00816.61
7.4.270.0030.00316.59
7.4.260.0030.00313.16
7.4.250.0040.00416.54
7.4.240.0030.00316.43
7.4.230.0030.00316.41
7.4.220.0040.01816.55
7.4.210.0070.00916.59
7.4.200.0050.00216.64
7.4.190.0000.00716.66
7.4.160.0090.00616.50
7.4.150.0090.01116.52
7.4.140.0090.01216.41
7.4.130.0110.01016.42
7.4.120.0080.01016.49
7.4.110.0070.01016.23
7.4.100.0070.01016.59
7.4.90.0040.01316.55
7.4.80.0140.00416.42
7.4.70.0070.01116.32
7.4.60.0060.01016.49
7.4.50.0060.00016.35
7.4.40.0000.01416.20
7.4.30.0060.00916.54
7.4.00.0090.00614.73
7.3.330.0030.00413.21
7.3.320.0040.00413.33
7.3.310.0000.00716.25
7.3.300.0030.00316.30
7.3.290.0060.00916.30
7.3.280.0060.01016.33
7.3.270.0070.01016.61
7.3.260.0200.00316.27
7.3.250.0080.01416.30
7.3.240.0070.01016.52
7.3.230.0070.01016.34
7.3.210.0170.00316.23
7.3.200.0130.01019.39
7.3.190.0110.01116.17
7.3.180.0040.01216.11
7.3.170.0130.00616.37
7.3.160.0100.00716.36
7.3.120.0060.00914.81
7.2.330.0160.00416.63
7.2.320.0090.01216.27
7.2.310.0120.00916.51
7.2.300.0100.00716.55
7.2.290.0150.00616.65
7.2.00.0120.00619.12
7.1.200.0060.00615.58
7.1.100.0030.00917.90
7.1.70.0000.00917.12
7.1.60.0070.01719.31
7.1.50.0090.00616.86
7.1.00.0070.06722.43
7.0.200.0190.00016.36
7.0.140.0000.07721.95
7.0.120.0030.07322.03
7.0.60.0100.07719.93
7.0.50.0100.03717.88
7.0.40.0100.08720.15
7.0.30.0230.08020.16
7.0.20.0170.04720.16
7.0.10.0000.08020.26
7.0.00.0100.08720.05
5.6.280.0100.06720.86
5.6.210.0100.08720.61
5.6.200.0030.09018.21
5.6.190.0000.05020.50
5.6.180.3300.04320.55
5.6.170.0070.05020.64
5.6.160.0070.08720.50
5.6.150.0030.08718.23
5.6.140.0100.07318.28
5.6.130.0200.06718.17
5.6.120.0070.05321.02
5.6.110.0100.08021.12
5.6.100.0200.07020.98
5.6.90.0000.08720.98
5.6.80.0030.07320.36
5.6.70.3770.04320.30
5.5.350.0030.08020.34
5.5.340.0030.04718.04
5.5.330.0100.08020.27
5.5.320.0300.07720.25
5.5.310.0230.05020.31
5.5.300.0070.08017.94
5.5.290.0200.04017.96
5.5.280.0270.06320.68
5.5.270.0070.04720.77
5.5.260.0100.07320.88
5.5.250.0100.06320.57
5.5.240.0170.03020.19
5.4.450.0100.07719.59
5.4.440.0100.07719.47
5.4.430.0030.04019.56
5.4.420.0070.07719.33
5.4.410.0070.07719.17
5.4.400.0100.04718.85
5.4.390.0000.08719.08
5.4.380.0030.05018.86
5.4.370.0130.07719.20
5.4.360.0000.04719.08
5.4.350.0070.06018.93
5.4.340.0000.08319.15
5.4.320.0100.06019.25
5.4.310.0030.04718.88
5.4.300.0070.07719.15
5.4.290.0100.07719.20
5.4.280.0070.04018.89
5.4.270.0070.04318.85
5.4.260.0030.04019.08
5.4.250.0030.04319.23
5.4.240.0030.07318.99
5.4.230.0030.06718.92
5.4.220.0030.04319.15
5.4.210.0030.05019.23
5.4.200.0170.05018.91
5.4.190.0030.07719.23
5.4.180.0030.05318.84
5.4.170.0070.04019.07
5.4.160.0100.07019.22
5.4.150.0030.05719.22
5.4.140.0000.04316.54
5.4.130.0030.07316.45
5.4.120.0030.05016.44
5.4.110.0030.08316.55
5.4.100.0100.05716.48
5.4.90.0030.06016.57
5.4.80.0030.03716.45
5.4.70.0030.06716.33
5.4.60.0030.04716.32
5.4.50.0000.05716.31
5.4.40.0030.04716.26
5.4.30.0000.04716.27
5.4.20.0130.06316.34
5.4.10.0100.05016.31
5.4.00.0070.04315.83
5.3.290.0070.07014.66
5.3.280.0200.04714.62
5.3.270.0100.06014.61
5.3.260.0100.07014.49
5.3.250.0030.05714.76
5.3.240.0070.07314.66
5.3.230.0030.05314.63
5.3.220.0130.06014.72
5.3.210.0030.06014.73
5.3.200.0100.07014.49
5.3.190.0000.04314.72
5.3.180.0000.05314.57
5.3.170.0070.07314.62
5.3.160.0030.07714.59
5.3.150.0070.07314.61
5.3.140.0030.06714.56
5.3.130.0030.08714.56
5.3.120.0130.07314.54
5.3.110.0130.07014.55
5.3.100.0130.05314.04
5.3.90.0130.06714.03
5.3.80.0030.05713.90
5.3.70.0070.04314.16
5.3.60.0000.04314.06
5.3.50.0000.04713.91
5.3.40.0070.06013.95
5.3.30.0030.07713.95
5.3.20.0070.06013.75
5.3.10.0030.07313.62
5.3.00.0070.06713.63
5.2.170.0130.04311.11
5.2.160.0100.05311.25
5.2.150.0030.05711.09
5.2.140.0000.06011.04
5.2.130.0130.04711.00
5.2.120.0000.07011.08
5.2.110.0070.06011.10
5.2.100.0030.06010.92
5.2.90.0100.05711.00
5.2.80.0070.06010.95
5.2.70.0070.06011.02
5.2.60.0030.03011.01
5.2.50.0070.06310.89
5.2.40.0100.05310.88
5.2.30.0000.06711.05
5.2.20.0070.03311.11
5.2.10.0030.05310.71
5.2.00.0070.05310.71
5.1.60.0070.0239.97
5.1.50.0000.05010.14
5.1.40.0100.05010.03
5.1.30.0100.04010.38
5.1.20.0030.03710.20
5.1.10.0030.06310.06
5.1.00.0030.05310.04
5.0.50.0030.0479.56
5.0.40.0070.0309.56
5.0.30.0070.0639.56
5.0.20.0030.0239.56
5.0.10.0030.0179.56
5.0.00.0070.0279.56
4.4.90.0030.0279.56
4.4.80.0130.0109.56
4.4.70.0000.0239.56
4.4.60.0070.0339.56
4.4.50.0030.0339.56
4.4.40.0000.0409.56
4.4.30.0030.0339.56
4.4.20.0000.0179.56
4.4.10.0000.0409.56
4.4.00.0000.0579.56
4.3.110.0000.0339.56
4.3.100.0030.0279.56
4.3.90.0030.0139.56
4.3.80.0000.0379.56
4.3.70.0000.0379.56
4.3.60.0030.0179.56
4.3.50.0070.0339.56
4.3.40.0030.0539.56
4.3.30.0070.0179.56
4.3.20.0000.0339.56
4.3.10.0000.0409.56
4.3.00.0000.0239.56

preferences:
38.45 ms | 400 KiB | 5 Q