3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar\subnamespace; const FOO = 1; function foo() {} class foo { static function staticmethod() { echo "Good bye","<br />"; } } namespace Foo\Bar; const FOO = 2; function foo() {} class foo { static function staticmethod() { echo "hello","<br />"; } } /* Unqualified name */ foo(); // resolves to function Foo\Bar\foo foo::staticmethod(); // resolves to class Foo\Bar\foo, method staticmethod echo FOO."<br />"; // resolves to constant Foo\Bar\FOO /* Qualified name */ subnamespace\foo(); // resolves to function Foo\Bar\subnamespace\foo subnamespace\foo::staticmethod(); // resolves to class Foo\Bar\subnamespace\foo, // method staticmethod echo subnamespace\FOO, "<br />"; // resolves to constant Foo\Bar\subnamespace\FOO /* Fully qualified name */ \Foo\Bar\foo(); // resolves to function Foo\Bar\foo \Foo\Bar\foo::staticmethod(); // resolves to class Foo\Bar\foo, method staticmethod echo \Foo\Bar\FOO; // resolves to constant Foo\Bar\FOO ?>

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)
8.3.60.0150.00416.63
8.3.50.0160.00122.04
8.3.40.0070.00718.71
8.3.30.0070.00718.92
8.3.20.0040.00420.25
8.3.10.0000.00823.54
8.3.00.0080.00019.13
8.2.180.0070.00716.63
8.2.170.0120.00322.96
8.2.160.0070.00720.45
8.2.150.0040.00424.18
8.2.140.0100.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00022.29
8.2.110.0090.00022.12
8.2.100.0090.00317.66
8.2.90.0090.00019.04
8.2.80.0050.00317.97
8.2.70.0000.00817.25
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0030.00518.22
8.2.30.0030.00618.05
8.2.20.0050.00317.68
8.2.10.0080.00017.98
8.2.00.0000.00717.69
8.1.280.0100.00325.92
8.1.270.0040.00422.06
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0000.00823.82
8.1.230.0060.00619.09
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0000.01017.23
8.1.190.0050.00317.30
8.1.180.0060.00318.10
8.1.170.0140.00018.11
8.1.160.0000.00822.05
8.1.150.0000.00818.53
8.1.140.0040.00417.30
8.1.130.0070.00017.84
8.1.120.0040.00417.36
8.1.110.0000.00717.39
8.1.100.0040.00417.44
8.1.90.0000.00717.23
8.1.80.0070.00017.41
8.1.70.0070.00017.26
8.1.60.0050.00317.51
8.1.50.0050.00317.34
8.1.40.0000.00817.33
8.1.30.0030.00617.49
8.1.20.0030.00517.45
8.1.10.0030.00517.38
8.1.00.0080.00017.44
8.0.300.0030.00318.77
8.0.290.0040.00417.18
8.0.280.0070.00018.35
8.0.270.0030.00517.13
8.0.260.0000.00716.80
8.0.250.0000.00816.98
8.0.240.0000.00716.96
8.0.230.0040.00416.92
8.0.220.0000.00716.90
8.0.210.0040.00416.88
8.0.200.0050.00216.87
8.0.190.0000.00716.92
8.0.180.0040.00416.91
8.0.170.0000.00716.97
8.0.160.0070.00016.80
8.0.150.0000.00816.87
8.0.140.0040.00416.79
8.0.130.0000.00813.26
8.0.120.0050.00316.78
8.0.110.0030.00516.65
8.0.100.0040.00416.71
8.0.90.0000.00716.68
8.0.80.0060.00916.80
8.0.70.0040.00416.79
8.0.60.0000.00716.68
8.0.50.0040.00416.71
8.0.30.0100.00817.13
8.0.20.0080.01017.40
8.0.10.0040.00417.01
8.0.00.0070.01116.59
7.4.330.0030.00315.00
7.4.320.0030.00316.59
7.4.300.0030.00316.37
7.4.290.0000.00716.46
7.4.280.0080.00016.57
7.4.270.0040.00416.50
7.4.260.0000.00716.49
7.4.250.0040.00416.40
7.4.240.0050.00216.55
7.4.230.0030.00316.46
7.4.220.0140.00416.49
7.4.210.0070.00916.55
7.4.200.0070.00016.57
7.4.190.0000.00716.42
7.4.160.0090.00916.52
7.4.150.0130.00717.40
7.4.140.0130.00717.86
7.4.130.0090.01016.58
7.4.120.0110.00816.47
7.4.110.0130.00316.45
7.4.100.0070.01016.42
7.4.90.0100.00716.52
7.4.80.0100.00719.39
7.4.70.0120.00916.63
7.4.60.0080.00916.36
7.4.50.0000.00816.46
7.4.40.0040.01122.77
7.4.30.0160.00316.49
7.4.00.0060.00614.80
7.3.330.0000.00513.34
7.3.320.0050.00013.16
7.3.310.0030.00316.32
7.3.300.0040.00416.34
7.3.290.0110.00816.30
7.3.280.0080.01016.28
7.3.270.0090.00917.40
7.3.260.0160.00316.34
7.3.250.0100.00716.40
7.3.240.0090.00816.60
7.3.230.0160.00616.39
7.3.210.0030.01516.33
7.3.200.0100.00619.39
7.3.190.0090.01216.32
7.3.180.0080.00916.55
7.3.170.0100.00616.72
7.3.160.0080.00816.59
7.3.120.0070.00715.07
7.2.330.0120.00616.35
7.2.320.0070.01316.63
7.2.310.0100.00716.38
7.2.300.0140.00316.46
7.2.290.0090.01316.82
7.2.00.0070.00719.34
7.1.100.0060.00618.18
7.1.70.0030.00317.19
7.1.60.0060.01819.33
7.1.50.0060.01316.73
7.1.00.0100.06722.57
7.0.200.0040.00416.80
7.0.140.0070.07022.10
7.0.110.0130.03720.02
7.0.100.0130.03319.91
7.0.90.0070.03719.90
7.0.80.0070.03719.84
7.0.70.0070.07019.87
7.0.60.0030.06019.95
7.0.50.0030.08320.27
7.0.40.0170.07720.28
7.0.30.0100.07720.27
7.0.20.0130.07720.05
7.0.10.0000.05720.04
7.0.00.0070.08720.03
5.6.280.0070.07021.00
5.6.260.0030.04720.67
5.6.250.0070.05020.63
5.6.240.0070.04020.66
5.6.230.0030.04320.48
5.6.220.0070.04020.56
5.6.210.0100.07720.76
5.6.200.0070.07721.10
5.6.190.0100.08021.28
5.6.180.0130.07321.27
5.6.170.0070.05321.09
5.6.160.0030.08721.20
5.6.150.0100.07321.09
5.6.140.0200.05020.96
5.6.130.0100.07021.07
5.6.120.0200.07021.12
5.6.110.0030.08321.14
5.6.100.0000.04721.09
5.6.90.0030.08721.21
5.6.80.0130.07320.51
5.6.70.0130.07320.58
5.6.60.0200.06320.34
5.6.50.0070.08020.61
5.6.40.0100.07720.37
5.6.30.0030.08020.45
5.6.20.0030.09020.45
5.6.10.0000.08320.55
5.6.00.0070.06020.42
5.5.380.0070.03320.31
5.5.370.0070.03720.30
5.5.360.0100.03320.32
5.5.350.0070.04320.45
5.5.340.0100.07020.83
5.5.330.0100.07320.93
5.5.320.0070.08020.90
5.5.310.0030.08320.98
5.5.300.0100.08020.95
5.5.290.0200.07020.96
5.5.280.0130.07320.71
5.5.270.0000.09720.95
5.5.260.0170.07020.97
5.5.250.0030.08720.63
5.5.240.0100.08320.06
5.5.230.0070.07720.09
5.5.220.0070.08020.42
5.5.210.0030.07720.37
5.5.200.0130.07320.35
5.5.190.0000.08720.34
5.5.180.0030.08320.23
5.5.160.0030.08020.13
5.5.150.0070.07020.22
5.5.140.0070.08320.23
5.5.130.0070.05320.29
5.5.120.0070.08320.16
5.5.110.0000.07720.16
5.5.100.0130.07320.16
5.5.90.0030.08720.26
5.5.80.0170.07020.28
5.5.70.0000.06319.98
5.5.60.0070.07720.07
5.5.50.0100.06720.14
5.5.40.0000.08020.10
5.5.30.0130.07720.04
5.5.20.0100.06020.02
5.5.10.0100.03720.25
5.5.00.0130.04020.14
5.4.450.0130.07319.28
5.4.440.0070.07719.33
5.4.430.0100.08019.64
5.4.420.0070.07319.36
5.4.410.0100.07719.18
5.4.400.0200.07019.00
5.4.390.0030.08019.17
5.4.380.0100.07319.09
5.4.370.0000.08019.18
5.4.360.0100.07318.99
5.4.350.0030.04719.14
5.4.340.0030.07319.31
5.4.320.0100.07719.26
5.4.310.0070.07019.02
5.4.300.0000.08019.03
5.4.290.0000.08319.31
5.4.280.0170.07019.30
5.4.270.0070.04018.95
5.4.260.0230.05719.14
5.4.250.0070.08018.96
5.4.240.0030.07719.08
5.4.230.0100.07318.98
5.4.220.0100.07319.08
5.4.210.0130.03319.30
5.4.200.0000.08719.23
5.4.190.0000.08319.09
5.4.180.0030.04319.13
5.4.170.0170.06719.08
5.4.160.0000.08719.14
5.4.150.0030.07019.14
5.4.140.0070.07316.60
5.4.130.0030.04316.35
5.4.120.0100.07016.42
5.4.110.0030.07716.46
5.4.100.0070.07016.46
5.4.90.0070.07316.41
5.4.80.0000.07316.40
5.4.70.0100.06716.46
5.4.60.0070.04316.56
5.4.50.0170.03716.43
5.4.40.0000.08316.59
5.4.30.0070.07316.62
5.4.20.0070.06316.54
5.4.10.0000.07316.43
5.4.00.0170.06315.75
5.3.290.0100.05314.67
5.3.280.0070.07714.59
5.3.270.0030.08014.63
5.3.260.0030.07714.61
5.3.250.0270.03314.48
5.3.240.0070.08314.59
5.3.230.0100.07314.63
5.3.220.0100.07014.55
5.3.210.0100.06714.70
5.3.200.0200.06714.56
5.3.190.0070.05014.55
5.3.180.0030.04314.43
5.3.170.0070.07714.58
5.3.160.0030.07014.61
5.3.150.0130.06714.59
5.3.140.0100.06314.79
5.3.130.0130.06314.79
5.3.120.0070.07714.59
5.3.110.0230.05014.69
5.3.100.0070.07014.05
5.3.90.0130.06314.11
5.3.80.0030.07714.16
5.3.70.0130.07014.05
5.3.60.0030.07313.99
5.3.50.0100.06313.99
5.3.40.0170.06713.89
5.3.30.0030.07714.05
5.3.20.0230.05713.55
5.3.10.0100.06013.52
5.3.00.0100.06013.78
5.2.170.0030.06011.85
5.2.160.0070.06011.85
5.2.150.0030.06311.85
5.2.140.0000.06711.85
5.2.130.0030.03711.85
5.2.120.0070.05011.85
5.2.110.0070.06011.85
5.2.100.0030.04011.85
5.2.90.0030.03711.85
5.2.80.0100.05711.85
5.2.70.0000.06311.85
5.2.60.0000.06711.85
5.2.50.0030.06311.85
5.2.40.0130.03711.85
5.2.30.0030.06311.85
5.2.20.0130.05711.85
5.2.10.0030.06311.85
5.2.00.0100.05311.85
5.1.60.0100.05011.85
5.1.50.0070.05011.85
5.1.40.0100.04711.85
5.1.30.0070.06011.85
5.1.20.0070.05711.85
5.1.10.0070.05311.85
5.1.00.0070.05311.85
5.0.50.0070.04311.85
5.0.40.0070.03711.85
5.0.30.0070.05311.85
5.0.20.0030.04311.85
5.0.10.0030.03711.85
5.0.00.0130.05311.85
4.4.90.0000.02711.85
4.4.80.0070.02311.85
4.4.70.0070.03311.85
4.4.60.0030.03711.85
4.4.50.0030.03711.85
4.4.40.0030.04711.85
4.4.30.0030.03011.85
4.4.20.0000.03711.85
4.4.10.0000.03711.85
4.4.00.0000.05711.85
4.3.110.0030.03311.85
4.3.100.0000.03711.85
4.3.90.0000.03711.85
4.3.80.0030.05311.85
4.3.70.0000.03711.85
4.3.60.0000.02711.85
4.3.50.0070.03311.85
4.3.40.0030.05011.85
4.3.30.0000.03011.85
4.3.20.0000.04011.85
4.3.10.0000.03711.85
4.3.00.0030.03311.85

preferences:
42.3 ms | 401 KiB | 5 Q