3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { const __default = null; public function __construct() { $class = get_class($this); var_dump($class); $r = new ReflectionClass($class); $constants = $r->getConstants(); var_dump($constants); } } class B extends A { const __default = self::A; const A = 'a'; const B = 'b'; } class C extends B { const __default = self::C; const A = 'A'; const C = 'c'; } $enum = new C();

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)
8.3.60.0070.01318.43
8.3.50.0100.00621.02
8.3.40.0040.01118.59
8.3.30.0030.01719.00
8.3.20.0070.00020.02
8.3.10.0080.00022.14
8.3.00.0050.00322.34
8.2.180.0090.00916.63
8.2.170.0070.01022.96
8.2.160.0100.00319.07
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0060.00326.16
8.2.120.0030.00619.36
8.2.110.0060.00322.29
8.2.100.0110.00017.59
8.2.90.0000.00819.09
8.2.80.0000.00818.04
8.2.70.0030.00617.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0060.00319.75
8.2.30.0080.00018.06
8.2.20.0000.00817.47
8.2.10.0040.00417.63
8.2.00.0030.00617.50
8.1.280.0060.00925.92
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0090.00023.96
8.1.230.0090.00319.16
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.10
8.1.190.0040.00417.41
8.1.180.0030.00518.40
8.1.170.0030.00618.47
8.1.160.0000.00722.02
8.1.150.0030.00618.64
8.1.140.0040.00417.44
8.1.130.0030.00517.70
8.1.120.0030.00317.30
8.1.110.0000.00717.27
8.1.100.0040.00417.36
8.1.90.0040.00417.46
8.1.80.0070.00017.38
8.1.70.0030.00317.33
8.1.60.0040.00417.57
8.1.50.0030.00617.57
8.1.40.0030.00517.54
8.1.30.0040.00417.63
8.1.20.0050.00517.49
8.1.10.0000.00717.60
8.1.00.0020.00517.49
8.0.300.0040.00418.77
8.0.290.0000.00717.04
8.0.280.0040.00418.44
8.0.270.0080.00017.13
8.0.260.0050.00316.74
8.0.250.0000.00716.79
8.0.240.0000.00716.90
8.0.230.0030.00316.85
8.0.220.0070.00016.86
8.0.210.0070.00016.84
8.0.200.0050.00316.84
8.0.190.0060.00316.78
8.0.180.0050.00316.84
8.0.170.0000.00716.72
8.0.160.0040.00416.81
8.0.150.0040.00416.72
8.0.140.0000.00816.78
8.0.130.0000.00713.23
8.0.120.0040.00416.85
8.0.110.0030.00316.79
8.0.100.0000.00716.73
8.0.90.0070.00016.76
8.0.80.0060.00916.78
8.0.70.0040.00416.65
8.0.60.0070.00016.71
8.0.50.0040.00416.80
8.0.30.0150.00717.26
8.0.20.0120.00617.40
8.0.10.0080.00016.95
8.0.00.0130.00516.76
7.4.330.0000.00515.00
7.4.320.0040.00416.31
7.4.300.0030.00316.55
7.4.290.0030.00316.48
7.4.280.0030.00316.38
7.4.270.0000.00716.56
7.4.260.0030.00316.48
7.4.250.0040.00416.57
7.4.240.0000.00716.60
7.4.230.0030.00316.63
7.4.220.0130.00716.55
7.4.210.0090.00816.58
7.4.200.0040.00416.48
7.4.190.0000.00716.45
7.4.160.0100.00616.58
7.4.150.0150.00317.40
7.4.140.0100.01017.86
7.4.130.0110.00816.61
7.4.120.0090.00916.43
7.4.110.0070.01016.61
7.4.100.0040.01516.42
7.4.90.0070.01716.52
7.4.80.0060.01219.39
7.4.70.0110.01116.53
7.4.60.0110.00516.57
7.4.50.0060.00016.34
7.4.40.0100.00722.77
7.4.30.0140.00316.56
7.4.00.0110.00415.05
7.3.330.0030.00313.16
7.3.320.0000.00613.24
7.3.310.0030.00316.27
7.3.300.0030.00316.29
7.3.290.0110.00416.35
7.3.280.0080.00916.28
7.3.270.0130.00617.40
7.3.260.0060.01816.48
7.3.250.0100.01016.44
7.3.240.0110.01116.36
7.3.230.0160.00716.39
7.3.210.0070.01016.30
7.3.200.0150.00919.39
7.3.190.0030.01416.23
7.3.180.0130.00316.48
7.3.170.0100.01316.27
7.3.160.0120.00916.46
7.3.120.0000.01714.95
7.2.330.0120.00616.59
7.2.320.0060.01216.65
7.2.310.0070.01516.50
7.2.300.0070.01016.51
7.2.290.0080.01016.48
7.2.00.0090.00619.20
7.1.200.0090.00315.65
7.1.100.0030.00917.99
7.1.70.0100.01316.86
7.1.60.0030.01017.21
7.1.50.0030.01016.91
7.1.40.0060.00616.54
7.1.30.0090.00516.71
7.1.20.0070.00716.88
7.1.10.0000.01616.44
7.1.00.0000.00916.57
7.0.200.0030.00916.70
7.0.190.0000.01116.72
7.0.180.0040.00416.28
7.0.170.0000.00916.24
7.0.160.0050.00516.07
7.0.150.0060.00616.23
7.0.140.0030.00616.36
7.0.130.0040.00716.55
7.0.120.0040.00416.48
7.0.110.0030.00616.24
7.0.100.0040.00416.43
7.0.90.0080.00016.24
7.0.80.0000.00916.48
7.0.70.0060.00316.25
7.0.60.0000.01116.04
7.0.50.0000.00716.32
7.0.40.0130.00515.17
7.0.30.0070.00715.17
7.0.20.0050.00715.17
7.0.10.0120.00415.17
7.0.00.0000.01015.17
5.6.300.0130.07320.57
5.6.290.0070.08520.66
5.6.280.0070.05720.88
5.6.270.0030.05021.08
5.6.260.0000.04620.91
5.6.250.0100.08720.99
5.6.240.0100.04120.93
5.6.230.0100.04120.93
5.6.220.0070.07720.94
5.6.210.0030.05320.96
5.6.200.0100.03620.77
5.6.190.0070.04420.82
5.6.180.0070.04120.97
5.6.170.0130.07020.77
5.6.160.0100.04320.86
5.6.150.0160.03621.03
5.6.140.0100.05820.91
5.6.130.0080.05020.77
5.6.120.0000.05220.93
5.6.110.0040.04620.67
5.6.100.0030.04920.75
5.6.90.0100.04521.03
5.6.80.0030.04920.36
5.6.70.0100.04020.34
5.6.60.0030.05120.21
5.6.50.0040.04920.07
5.6.40.0130.03620.30
5.6.30.0110.03620.11
5.6.20.0100.07020.20
5.6.10.0150.03320.28
5.6.00.0070.04020.30
5.5.380.0100.03617.55
5.5.370.0030.04617.41
5.5.360.0100.04317.64
5.5.350.0070.04217.62
5.5.340.0040.04218.00
5.5.330.0040.04617.84
5.5.320.0060.04118.13
5.5.310.0000.04518.14
5.5.300.0090.03717.95
5.5.290.0190.04117.99
5.5.280.0090.05218.06
5.5.270.0130.04617.80
5.5.260.0030.04517.98
5.5.250.0120.04417.82
5.5.240.0180.03317.45
5.5.230.0090.03817.45
5.5.220.0040.04017.23
5.5.210.0060.04217.46
5.5.200.0090.03717.50
5.5.190.0000.05217.35
5.5.180.0070.05317.31
5.5.160.0100.03717.16
5.5.150.0070.03517.35
5.5.140.0000.04417.34
5.5.130.0070.03717.43
5.5.120.0030.04217.44
5.5.110.0000.04117.34
5.5.100.0030.04317.32
5.5.90.0090.03117.25
5.5.80.0070.03617.06
5.5.70.0000.04917.25
5.5.60.0030.04017.33
5.5.50.0070.04917.33
5.5.40.0030.06117.33
5.5.30.0100.06217.38
5.5.20.0040.04017.32
5.5.10.0060.03817.31
5.5.00.0030.06317.24
5.4.450.0130.03519.58
5.4.440.0070.04319.36
5.4.430.0090.03819.46
5.4.420.0030.04019.43
5.4.410.0070.03619.10
5.4.400.0030.04418.95
5.4.390.0070.03919.19
5.4.380.0100.03719.04
5.4.370.0100.03818.95
5.4.360.0030.04319.24
5.4.350.0030.04118.87
5.4.340.0030.03919.14
5.4.320.0000.07419.02
5.4.310.0060.03619.23
5.4.300.0040.04918.93
5.4.290.0140.03119.14
5.4.280.0150.03119.11
5.4.270.0060.03519.01
5.4.260.0070.04619.09
5.4.250.0030.03719.02
5.4.240.0030.04619.08
5.4.230.0110.03419.18
5.4.220.0060.03518.94
5.4.210.0030.03719.13
5.4.200.0030.04319.13
5.4.190.0030.08419.00
5.4.180.0030.04018.89
5.4.170.0130.05618.86
5.4.160.0030.04419.19
5.4.150.0000.05118.93
5.4.140.0000.04316.71
5.4.130.0030.04816.80
5.4.120.0000.03716.49
5.4.110.0000.04116.74
5.4.100.0030.03816.76
5.4.90.0060.03516.61
5.4.80.0000.04116.82
5.4.70.0030.03616.84
5.4.60.0100.03216.67
5.4.50.0040.03516.68
5.4.40.0000.03816.75
5.4.30.0030.03816.75
5.4.20.0000.03716.75
5.4.10.0040.03516.75
5.4.00.0070.06215.89
5.3.290.0070.03915.17
5.3.280.0000.03915.17
5.3.270.0030.07115.17
5.3.260.0000.04115.17
5.3.250.0000.04115.17
5.3.240.0000.04315.17
5.3.230.0030.03815.17
5.3.220.0030.07215.17
5.3.210.0030.03715.17
5.3.200.0030.04215.17
5.3.190.0000.04215.17
5.3.180.0000.04215.17
5.3.170.0060.03115.17
5.3.160.0030.03515.17
5.3.150.0030.03515.17
5.3.140.0000.04015.17
5.3.130.0040.04915.17
5.3.120.0030.03815.17
5.3.110.0000.05115.17
5.3.100.0000.03615.17
5.3.90.0000.03915.17
5.3.80.0070.03315.17
5.3.70.0000.03715.17
5.3.60.0070.03315.17
5.3.50.0070.03115.17
5.3.40.0030.05015.17
5.3.30.0060.03215.17
5.3.20.0030.03315.17
5.3.10.0040.03615.17
5.3.00.0060.03115.17
5.2.170.0060.04415.17
5.2.160.0030.03215.17
5.2.150.0000.03815.17
5.2.140.0030.03215.17
5.2.130.0030.03415.17
5.2.120.0000.03015.17
5.2.110.0070.02715.17
5.2.100.0100.03215.17
5.2.90.0040.02815.17
5.2.80.0070.03115.17
5.2.70.0000.03515.17
5.2.60.0000.03015.17
5.2.50.0000.03315.17
5.2.40.0000.03815.17
5.2.30.0030.03115.17
5.2.20.0040.02815.17
5.2.10.0030.02615.17
5.2.00.0090.02115.17
5.1.60.0030.02315.17
5.1.50.0000.02615.17
5.1.40.0030.04515.17
5.1.30.0000.03815.17
5.1.20.0000.02915.17
5.1.10.0070.04715.17
5.1.00.0030.02615.17
5.0.50.0000.02315.17
5.0.40.0000.02115.17
5.0.30.0030.03115.17
5.0.20.0000.02215.17
5.0.10.0030.02315.17
5.0.00.0090.03115.17
4.4.90.0030.01415.17
4.4.80.0000.01615.17
4.4.70.0030.01315.17
4.4.60.0000.01715.17
4.4.50.0030.01315.17
4.4.40.0040.04315.17
4.4.30.0030.02215.17
4.4.20.0000.01715.17
4.4.10.0000.01815.17
4.4.00.0030.02315.17
4.3.110.0030.01315.17
4.3.100.0030.01315.17
4.3.90.0040.01415.17
4.3.80.0060.03215.17
4.3.70.0000.02015.17
4.3.60.0000.01615.17
4.3.50.0030.01315.17
4.3.40.0030.02215.17
4.3.30.0000.03915.17
4.3.20.0000.02415.17
4.3.10.0080.00815.17
4.3.00.0000.01615.17

preferences:
41.92 ms | 401 KiB | 5 Q