3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar\subnamespace; const FOO = 1; function foo() {} class foo { static function staticmethod() {} } namespace Foo\Bar; const FOO = 2; function foo() {} class foo { static function staticmethod() {} } /* 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)
8.3.60.0060.01218.21
8.3.50.0130.00822.12
8.3.40.0140.00718.75
8.3.30.0110.00319.13
8.3.20.0100.00620.37
8.3.10.0040.00423.53
8.3.00.0060.01020.71
8.2.180.0030.01318.41
8.2.170.0170.00322.96
8.2.160.0070.01022.26
8.2.150.0130.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00417.63
8.2.110.0060.00321.91
8.2.100.0060.00617.78
8.2.90.0000.00719.08
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0090.00017.93
8.2.50.0000.01018.07
8.2.40.0080.00018.03
8.2.30.0040.00418.00
8.2.20.0040.00417.65
8.2.10.0000.00717.53
8.2.00.0000.00717.61
8.1.280.0140.00325.92
8.1.270.0030.00623.97
8.1.260.0110.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.73
8.1.230.0110.00019.10
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0090.00017.23
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0000.00818.45
8.1.160.0000.00721.98
8.1.150.0050.00218.53
8.1.140.0040.00417.39
8.1.130.0030.00317.75
8.1.120.0070.00017.41
8.1.110.0050.00217.29
8.1.100.0030.00517.39
8.1.90.0030.00617.36
8.1.80.0070.00017.31
8.1.70.0000.00717.29
8.1.60.0060.00317.50
8.1.50.0030.00617.47
8.1.40.0000.00817.46
8.1.30.0030.00517.59
8.1.20.0060.00317.50
8.1.10.0000.00817.41
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0000.00717.18
8.0.280.0000.00718.29
8.0.270.0000.00717.26
8.0.260.0030.00316.75
8.0.250.0000.00716.97
8.0.240.0080.00016.95
8.0.230.0040.00416.86
8.0.220.0000.00716.88
8.0.210.0070.00016.93
8.0.200.0030.00516.86
8.0.190.0000.00716.97
8.0.180.0000.00916.90
8.0.170.0000.00816.99
8.0.160.0040.00416.90
8.0.150.0020.00516.68
8.0.140.0040.00416.68
8.0.130.0030.00313.30
8.0.120.0040.00416.76
8.0.110.0040.00416.79
8.0.100.0000.00716.82
8.0.90.0050.00316.70
8.0.80.0060.01216.80
8.0.70.0040.00416.71
8.0.60.0040.00416.83
8.0.50.0050.00316.73
8.0.30.0110.00916.99
8.0.20.0150.00717.40
8.0.10.0050.00216.98
8.0.00.0070.01216.68
7.4.330.0030.00315.01
7.4.320.0060.00016.52
7.4.300.0030.00316.41
7.4.290.0000.00716.43
7.4.280.0030.00316.55
7.4.270.0030.00316.35
7.4.260.0030.00316.43
7.4.250.0000.00716.52
7.4.240.0040.00316.53
7.4.230.0000.00716.65
7.4.220.0120.00316.36
7.4.210.0040.01116.52
7.4.200.0000.00816.36
7.4.190.0000.00716.69
7.4.160.0150.00016.63
7.4.150.0110.00617.40
7.4.140.0080.01017.86
7.4.130.0100.01116.47
7.4.120.0080.01316.49
7.4.110.0150.00916.46
7.4.100.0070.01016.70
7.4.90.0100.00716.50
7.4.80.0030.01316.35
7.4.70.0080.00916.54
7.4.60.0090.00616.54
7.4.50.0000.00716.25
7.4.40.0030.01022.77
7.4.30.0030.01316.45
7.4.00.0040.00814.93
7.3.330.0000.00613.20
7.3.320.0060.00013.13
7.3.310.0000.00716.42
7.3.300.0000.00716.29
7.3.290.0070.00716.40
7.3.280.0040.01116.28
7.3.270.0130.01017.40
7.3.260.0110.00916.71
7.3.250.0130.00516.45
7.3.240.0070.01016.43
7.3.230.0080.00816.39
7.3.210.0090.01016.46
7.3.200.0140.00619.39
7.3.190.0070.01016.32
7.3.180.0150.00416.30
7.3.170.0110.00616.27
7.3.160.0100.00716.38
7.3.120.0040.00814.91
7.2.330.0130.00616.42
7.2.320.0150.00616.50
7.2.310.0030.01416.63
7.2.300.0110.00616.41
7.2.290.0060.00916.47
7.1.70.0040.00417.22
7.1.60.0030.00917.15
7.1.50.0090.00916.96
7.1.00.0100.07022.45
7.0.200.0030.01016.40
7.0.140.0070.07022.00
7.0.100.0130.07319.96
7.0.90.0000.08719.88
7.0.80.0030.08719.87
7.0.70.0170.05019.86
7.0.60.0030.09719.94
7.0.50.0070.05020.32
7.0.40.0070.09720.19
7.0.30.0070.04720.03
7.0.20.0000.05319.96
7.0.10.0030.05320.14
7.0.00.0130.07320.11
5.6.280.0000.07720.93
5.6.250.0170.06720.59
5.6.240.0100.04320.69
5.6.230.0100.04020.48
5.6.220.0070.04720.64
5.6.210.0000.06020.56
5.6.200.0100.05021.09
5.6.190.0100.07321.08
5.6.180.0070.08321.04
5.6.170.0170.07021.03
5.6.160.0100.04721.02
5.6.150.0130.04720.95
5.6.140.0100.08021.06
5.6.130.0030.05021.02
5.6.120.0100.06721.10
5.6.110.0030.05020.93
5.6.100.0100.04320.99
5.6.90.0070.07720.95
5.6.80.0030.04720.45
5.6.70.0200.06320.48
5.6.60.0070.05020.32
5.6.50.0100.06320.46
5.6.40.0200.04020.40
5.6.30.0100.07020.36
5.6.20.0030.07720.52
5.6.10.0070.08020.40
5.6.00.0030.05320.36
5.5.380.0070.04720.50
5.5.370.0030.07720.36
5.5.360.0100.07720.44
5.5.350.0000.06320.34
5.5.340.0030.08320.80
5.5.330.0030.04320.90
5.5.320.0070.05020.89
5.5.310.0030.07020.92
5.5.300.0070.07720.84
5.5.290.0100.04320.88
5.5.280.0100.04320.93
5.5.270.0000.05320.75
5.5.260.0070.08320.80
5.5.250.0130.08020.55
5.5.240.0070.04720.27
5.5.230.0130.06320.10
5.5.220.0070.04320.21
5.5.210.0170.06320.27
5.5.200.0070.06720.25
5.5.190.0100.07320.25
5.5.180.0030.04720.15
5.5.160.0100.04020.18
5.5.150.0130.05320.18
5.5.140.0030.06320.28
5.5.130.0070.04320.14
5.5.120.0030.07320.21
5.5.110.0070.07320.06
5.5.100.0030.04020.08
5.5.90.0030.04020.16
5.5.80.0100.03720.17
5.5.70.0100.07720.16
5.5.60.0170.06020.12
5.5.50.0070.04020.16
5.5.40.0170.06320.06
5.5.30.0030.04720.13
5.5.20.0000.07719.94
5.5.10.0100.04720.06
5.5.00.0070.05020.09
5.4.450.0000.08719.38
5.4.440.0030.07319.37
5.4.430.0170.07319.22
5.4.420.0170.05019.57
5.4.410.0030.04719.14
5.4.400.0100.07019.04
5.4.390.0070.04019.13
5.4.380.0070.07019.18
5.4.370.0170.07019.13
5.4.360.0070.08319.18
5.4.350.0170.06318.89
5.4.340.0130.07019.21
5.4.320.0130.07018.95
5.4.310.0030.07019.25
5.4.300.0100.07019.16
5.4.290.0130.06319.05
5.4.280.0100.04318.94
5.4.270.0000.04719.20
5.4.260.0070.03718.89
5.4.250.0030.06019.15
5.4.240.0100.07319.02
5.4.230.0200.06019.04
5.4.220.0000.04319.02
5.4.210.0100.07019.13
5.4.200.0070.07718.87
5.4.190.0070.07718.86
5.4.180.0100.04319.03
5.4.170.0130.07318.91
5.4.160.0070.04019.01
5.4.150.0130.06718.85
5.4.140.0070.05016.47
5.4.130.0000.05316.38
5.4.120.0070.06716.53
5.4.110.0030.04016.55
5.4.100.0000.03716.52
5.4.90.0000.06316.52
5.4.80.0030.06716.49
5.4.70.0100.06316.39
5.4.60.0100.06016.34
5.4.50.0000.08016.52
5.4.40.0130.05016.50
5.4.30.0000.05716.33
5.4.20.0070.03316.43
5.4.10.0100.05016.45
5.4.00.0000.06015.87
5.3.290.0130.05314.59
5.3.280.0100.07014.72
5.3.270.0130.07014.72
5.3.260.0100.07014.56
5.3.250.0070.03714.67
5.3.240.0100.07314.59
5.3.230.0030.04314.65
5.3.220.0000.04714.52
5.3.210.0030.07714.55
5.3.200.0000.03714.71
5.3.190.0030.08014.55
5.3.180.0030.06714.63
5.3.170.0030.05714.52
5.3.160.0230.05314.68
5.3.150.0100.07314.67
5.3.140.0030.08714.70
5.3.130.0030.03714.49
5.3.120.0070.04314.57
5.3.110.0000.08014.68
5.3.100.0130.06314.10
5.3.90.0070.07313.95
5.3.80.0000.03714.08
5.3.70.0070.06714.04
5.3.60.0100.03013.90
5.3.50.0030.05713.96
5.3.40.0070.07313.91
5.3.30.0070.05314.04
5.3.20.0100.07013.64
5.3.10.0070.06313.58
5.3.00.0030.07313.56
5.2.170.0030.06711.00
5.2.160.0000.06010.98
5.2.150.0000.06711.18
5.2.140.0100.05710.97
5.2.130.0070.05710.93
5.2.120.0070.06310.96
5.2.110.0070.05311.14
5.2.100.0070.02711.09
5.2.90.0100.05711.12
5.2.80.0000.03711.04
5.2.70.0170.05011.05
5.2.60.0030.03710.88
5.2.50.0030.06311.06
5.2.40.0000.06011.04
5.2.30.0000.04310.97
5.2.20.0000.04310.81
5.2.10.0070.04710.71
5.2.00.0000.06310.76
5.1.60.0070.0379.98
5.1.50.0070.0309.97
5.1.40.0000.04310.03
5.1.30.0100.04310.26
5.1.20.0100.03010.27
5.1.10.0000.03710.07
5.1.00.0070.0279.90
5.0.50.0100.0378.59
5.0.40.0000.0438.24
5.0.30.0030.0508.23
5.0.20.0030.0278.09
5.0.10.0070.0308.22
5.0.00.0070.0538.22
4.4.90.0000.0238.09
4.4.80.0000.0178.09
4.4.70.0000.0338.09
4.4.60.0000.0208.09
4.4.50.0030.0308.09
4.4.40.0000.0308.09
4.4.30.0070.0208.09
4.4.20.0030.0178.09
4.4.10.0030.0378.09
4.4.00.0070.0438.09
4.3.110.0070.0138.09
4.3.100.0030.0308.09
4.3.90.0070.0308.09
4.3.80.0030.0278.09
4.3.70.0070.0208.09
4.3.60.0030.0338.09
4.3.50.0000.0338.09
4.3.40.0070.0338.09
4.3.30.0070.0138.09
4.3.20.0000.0378.09
4.3.10.0000.0408.09
4.3.00.0000.0278.09

preferences:
47.58 ms | 401 KiB | 5 Q