3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace namespacename; class classname { function __construct() { echo __METHOD__,"\n"; } } function funcname() { echo __FUNCTION__,"\n"; } const constname = "namespaced"; include 'example1.php'; $a = 'classname'; $obj = new $a; // prints classname::__construct $b = 'funcname'; $b(); // prints funcname echo constant('constname'), "\n"; // prints global /* note that if using double quotes, "\\namespacename\\classname" must be used */ $a = '\namespacename\classname'; $obj = new $a; // prints namespacename\classname::__construct $a = 'namespacename\classname'; $obj = new $a; // also prints namespacename\classname::__construct $b = 'namespacename\funcname'; $b(); // prints namespacename\funcname $b = '\namespacename\funcname'; $b(); // also prints namespacename\funcname echo constant('\namespacename\constname'), "\n"; // prints namespaced echo constant('namespacename\constname'), "\n"; // also prints namespaced ?>

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)
8.3.60.0070.01118.68
8.3.50.0100.01022.12
8.3.40.0090.00618.82
8.3.30.0120.00319.06
8.3.20.0190.00020.00
8.3.10.0000.00823.48
8.3.00.0080.00020.77
8.2.180.0130.00716.88
8.2.170.0150.00022.96
8.2.160.0000.01420.37
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0040.00419.36
8.2.110.0060.00322.11
8.2.100.0000.01120.48
8.2.90.0000.00819.10
8.2.80.0000.00817.97
8.2.70.0030.00717.63
8.2.60.0110.00017.93
8.2.50.0000.01018.07
8.2.40.0080.00018.08
8.2.30.0040.00418.29
8.2.20.0050.00217.85
8.2.10.0040.00418.07
8.2.00.0000.00817.89
8.1.280.0150.00025.92
8.1.270.0060.00323.97
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00022.14
8.1.230.0040.00718.91
8.1.220.0040.00417.76
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0030.00717.23
8.1.180.0060.00318.10
8.1.170.0080.00018.57
8.1.160.0040.00421.97
8.1.150.0040.00418.73
8.1.140.0000.00717.37
8.1.130.0000.00719.54
8.1.120.0040.00417.52
8.1.110.0040.00417.41
8.1.100.0070.00017.40
8.1.90.0040.00417.49
8.1.80.0030.00617.48
8.1.70.0030.00317.43
8.1.60.0080.00017.57
8.1.50.0040.00417.52
8.1.40.0000.00817.66
8.1.30.0000.00817.59
8.1.20.0000.00817.70
8.1.10.0030.00517.71
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0060.00318.62
8.0.280.0070.00018.55
8.0.270.0070.00017.38
8.0.260.0030.00317.24
8.0.250.0070.00017.04
8.0.240.0040.00417.02
8.0.230.0040.00417.08
8.0.220.0040.00417.06
8.0.210.0040.00416.96
8.0.200.0030.00617.12
8.0.190.0030.00617.14
8.0.180.0050.00217.06
8.0.170.0040.00417.07
8.0.160.0000.00717.02
8.0.150.0000.00916.94
8.0.140.0040.00417.03
8.0.130.0030.00313.46
8.0.120.0000.00717.02
8.0.110.0000.00717.07
8.0.100.0000.00717.12
8.0.90.0000.00716.96
8.0.80.0130.00817.04
8.0.70.0080.00016.86
8.0.60.0040.00416.96
8.0.50.0040.00416.86
8.0.30.0090.01417.19
8.0.20.0110.00817.40
8.0.10.0080.00017.09
8.0.00.0080.01316.94
7.4.330.0000.00615.00
7.4.320.0000.00716.64
7.4.300.0040.00416.62
7.4.290.0030.00616.41
7.4.280.0040.00416.64
7.4.270.0040.00416.53
7.4.260.0030.00316.63
7.4.250.0040.00416.52
7.4.240.0060.00116.46
7.4.230.0040.00416.68
7.4.220.0100.01016.63
7.4.210.0110.00916.71
7.4.200.0040.00416.65
7.4.160.0030.01316.67
7.4.150.0070.01317.40
7.4.140.0160.00517.86
7.4.130.0070.01016.59
7.4.120.0120.00516.67
7.4.110.0090.00816.74
7.4.100.0070.01016.60
7.4.90.0150.00316.49
7.4.80.0100.01019.39
7.4.70.0120.00416.61
7.4.60.0120.00616.81
7.4.50.0000.00916.77
7.4.40.0070.01016.38
7.4.30.0070.00716.58
7.4.00.0090.00614.94
7.3.330.0000.00513.50
7.3.320.0050.00013.38
7.3.310.0070.00016.25
7.3.300.0040.00416.33
7.3.290.0090.00916.43
7.3.280.0090.01016.45
7.3.270.0090.00917.40
7.3.260.0090.01516.70
7.3.250.0110.00916.45
7.3.240.0110.00616.43
7.3.230.0140.00516.54
7.3.210.0090.00916.60
7.3.200.0030.01319.39
7.3.190.0110.01116.50
7.3.180.0060.01616.31
7.3.170.0070.01016.65
7.3.160.0080.00816.48
7.3.120.0070.01014.70
7.2.330.0070.01016.55
7.2.320.0110.00716.73
7.2.310.0140.00716.49
7.2.300.0030.01316.83
7.2.290.0030.02216.50
7.2.60.0030.00616.97
7.2.00.0000.00919.41
7.1.200.0030.01015.82
7.1.100.0030.00718.02
7.1.70.0040.00417.16
7.1.60.0160.00919.70
7.1.50.0070.01617.00
7.1.00.0000.08022.38
7.0.200.0000.00816.73
7.0.140.0000.07021.97
7.0.80.0100.07720.01
7.0.70.0070.08319.97
7.0.60.0200.07020.00
7.0.50.0030.08720.18
7.0.40.0070.08720.05
7.0.30.0170.07020.02
7.0.20.0070.08020.14
7.0.10.0200.06319.95
7.0.00.0130.07720.14
5.6.280.0030.07021.07
5.6.230.0130.08020.63
5.6.220.0030.08720.73
5.6.210.0100.08020.47
5.6.200.0100.08321.00
5.6.190.0030.09021.16
5.6.180.0000.05721.04
5.6.170.0030.05021.13
5.6.160.0030.05021.18
5.6.150.0100.07721.09
5.6.140.0100.05321.04
5.6.130.0170.07720.96
5.6.120.0100.06720.93
5.6.110.0130.04021.00
5.6.100.0030.05021.01
5.6.90.0070.08320.98
5.6.80.0100.05720.47
5.6.70.0130.07720.48
5.6.60.0000.06320.33
5.6.50.0230.06320.56
5.6.40.0030.04720.32
5.6.30.0130.07720.40
5.6.20.0030.07720.31
5.6.10.0130.08020.35
5.6.00.0030.07720.43
5.5.370.0100.08020.39
5.5.360.0100.08320.37
5.5.350.0100.07720.45
5.5.340.0070.08720.81
5.5.330.0070.05020.81
5.5.320.0130.07020.89
5.5.310.0130.07720.83
5.5.300.0070.08020.90
5.5.290.0070.08720.77
5.5.280.0100.05020.90
5.5.270.0030.04720.77
5.5.260.0170.06020.75
5.5.250.0070.07020.73
5.5.240.0200.05720.19
5.5.230.0070.08320.11
5.5.220.0030.07320.23
5.5.210.0070.04020.27
5.5.200.0100.04320.24
5.5.190.0100.08020.21
5.5.180.0000.07020.25
5.5.160.0130.07020.28
5.5.150.0130.05020.23
5.5.140.0170.07020.15
5.5.130.0070.07320.24
5.5.120.0200.06320.23
5.5.110.0100.08320.18
5.5.100.0070.08320.16
5.5.90.0130.07320.16
5.5.80.0030.08020.07
5.5.70.0000.06020.05
5.5.60.0100.06320.07
5.5.50.0170.07020.06
5.5.40.0170.06320.03
5.5.30.0030.04720.16
5.5.20.0000.06020.16
5.5.10.0030.06019.98
5.5.00.0100.07319.96
5.4.450.0100.07019.50
5.4.440.0100.03719.56
5.4.430.0100.07319.45
5.4.420.0130.06319.18
5.4.410.0100.06319.15
5.4.400.0070.05018.93
5.4.390.0130.04319.14
5.4.380.0100.07018.96
5.4.370.0000.04718.88
5.4.360.0070.07718.88
5.4.350.0030.07019.16
5.4.340.0100.05719.24
5.4.320.0030.04719.19
5.4.310.0100.05319.04
5.4.300.0030.06719.21
5.4.290.0100.07019.17
5.4.280.0230.05019.13
5.4.270.0170.06718.85
5.4.260.0030.07319.24
5.4.250.0100.07319.25
5.4.240.0130.05319.05
5.4.230.0030.07719.18
5.4.220.0170.06319.04
5.4.210.0100.07319.13
5.4.200.0100.07319.13
5.4.190.0070.04019.20
5.4.180.0170.03319.20
5.4.170.0170.07018.95
5.4.160.0130.06019.01
5.4.150.0030.08718.93
5.4.140.0100.07016.46
5.4.130.0070.07316.38
5.4.120.0070.08016.46
5.4.110.0070.07316.55
5.4.100.0070.07016.45
5.4.90.0070.04016.35
5.4.80.0000.03716.32
5.4.70.0100.04316.48
5.4.60.0070.07016.48
5.4.50.0100.05016.37
5.4.40.0100.07016.40
5.4.30.0070.07016.50
5.4.20.0070.04016.42
5.4.10.0070.05016.47
5.4.00.0130.06015.87
5.3.290.0130.07014.70
5.3.280.0170.07014.75
5.3.270.0030.04714.57
5.3.260.0070.07014.70
5.3.250.0170.07314.62
5.3.240.0070.04014.73
5.3.230.0100.07314.56
5.3.220.0000.08014.51
5.3.210.0030.03014.53
5.3.200.0000.06314.68
5.3.190.0000.04314.53
5.3.180.0100.03714.68
5.3.170.0030.03714.54
5.3.160.0100.03314.64
5.3.150.0070.06714.54
5.3.140.0000.08314.49
5.3.130.0100.07314.55
5.3.120.0100.06314.55
5.3.110.0130.03314.51
5.3.100.0070.07014.01
5.3.90.0030.07714.08
5.3.80.0100.06014.12
5.3.70.0130.07314.12
5.3.60.0070.05713.99
5.3.50.0130.06314.03
5.3.40.0100.03713.97
5.3.30.0070.06013.82
5.3.20.0070.07313.72
5.3.10.0070.07313.55
5.3.00.0130.06013.66
5.2.170.0100.06013.52
5.2.160.0030.05013.52
5.2.150.0170.05713.52
5.2.140.0030.03713.52
5.2.130.0000.04313.52
5.2.120.0100.04713.52
5.2.110.0070.05713.52
5.2.100.0100.06013.52
5.2.90.0130.05313.52
5.2.80.0070.05713.52
5.2.70.0000.04313.52
5.2.60.0070.06013.52
5.2.50.0030.06313.52
5.2.40.0100.05713.52
5.2.30.0030.04713.52
5.2.20.0100.02713.52
5.2.10.0030.06013.52
5.2.00.0070.04713.52
5.1.60.0030.05313.52
5.1.50.0100.04313.52
5.1.40.0030.05313.52
5.1.30.0000.04313.52
5.1.20.0070.05013.52
5.1.10.0130.05013.52
5.1.00.0030.03313.52
5.0.50.0070.02313.52
5.0.40.0030.03713.52
5.0.30.0000.07013.52
5.0.20.0000.04713.52
5.0.10.0100.02713.52
5.0.00.0100.06013.52
4.4.90.0000.02313.52
4.4.80.0030.02013.52
4.4.70.0000.03313.52
4.4.60.0030.03013.52
4.4.50.0000.03713.52
4.4.40.0030.05313.52
4.4.30.0000.03713.52
4.4.20.0030.03313.52
4.4.10.0030.01713.52
4.4.00.0030.05013.52
4.3.110.0000.03313.52
4.3.100.0030.03313.52
4.3.90.0070.03013.52
4.3.80.0000.03313.52
4.3.70.0030.02713.52
4.3.60.0000.03013.52
4.3.50.0000.03713.52
4.3.40.0130.03713.52
4.3.30.0000.03713.52
4.3.20.0000.02313.52
4.3.10.0030.03713.52
4.3.00.0000.02313.52

preferences:
41.15 ms | 401 KiB | 5 Q