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)
8.3.60.0200.00018.43
8.3.50.0120.00721.14
8.3.40.0120.00618.59
8.3.30.0070.00718.71
8.3.20.0060.00318.48
8.3.10.0050.00320.96
8.3.00.0040.00421.87
8.2.180.0140.00016.63
8.2.170.0140.00322.96
8.2.160.0030.01020.47
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0030.00326.16
8.2.120.0000.00820.98
8.2.110.0090.00022.13
8.2.100.0000.01317.66
8.2.90.0050.00317.50
8.2.80.0080.00017.97
8.2.70.0050.00317.80
8.2.60.0050.00517.80
8.2.50.0080.00018.10
8.2.40.0000.00820.59
8.2.30.0060.00319.69
8.2.20.0050.00217.57
8.2.10.0080.00017.71
8.2.00.0030.00517.73
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0060.00926.35
8.1.250.0050.00328.09
8.1.240.0060.00322.47
8.1.230.0040.00819.01
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00916.98
8.1.180.0040.00418.10
8.1.170.0040.00418.39
8.1.160.0000.01018.87
8.1.150.0040.00418.43
8.1.140.0030.00517.48
8.1.130.0030.00317.75
8.1.120.0000.00717.39
8.1.110.0040.00417.48
8.1.100.0040.00417.36
8.1.90.0070.00017.32
8.1.80.0040.00417.36
8.1.70.0030.00317.36
8.1.60.0040.00417.47
8.1.50.0030.00517.54
8.1.40.0000.00817.50
8.1.30.0090.00017.59
8.1.20.0060.00317.56
8.1.10.0000.00717.45
8.1.00.0080.00017.40
8.0.300.0070.00019.68
8.0.290.0040.00416.63
8.0.280.0000.00718.38
8.0.270.0000.00717.16
8.0.260.0030.00316.80
8.0.250.0000.00716.93
8.0.240.0040.00416.91
8.0.230.0000.00716.91
8.0.220.0000.00716.71
8.0.210.0000.00916.76
8.0.200.0000.00616.80
8.0.190.0000.00716.74
8.0.180.0070.00016.85
8.0.170.0000.00816.84
8.0.160.0000.00716.94
8.0.150.0030.00616.67
8.0.140.0080.00316.69
8.0.130.0030.00313.21
8.0.120.0030.00716.61
8.0.110.0030.00516.78
8.0.100.0000.00816.81
8.0.90.0040.00416.78
8.0.80.0070.01316.82
8.0.70.0040.00416.66
8.0.60.0030.00316.70
8.0.50.0000.00716.79
8.0.30.0130.00516.91
8.0.20.0070.01117.40
8.0.10.0030.00316.95
8.0.00.0070.01416.65
7.4.330.0000.00514.63
7.4.320.0060.00016.53
7.4.300.0030.00316.61
7.4.290.0030.00316.47
7.4.280.0040.00416.49
7.4.270.0070.00016.51
7.4.260.0000.00613.29
7.4.250.0080.00016.59
7.4.240.0000.00716.63
7.4.230.0000.00716.65
7.4.220.0110.00416.59
7.4.210.0080.00816.59
7.4.200.0030.00316.25
7.4.190.0080.00016.46
7.4.160.0070.01016.50
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0090.01216.57
7.4.120.0060.01416.58
7.4.110.0140.00616.58
7.4.100.0040.01516.60
7.4.90.0080.01616.31
7.4.80.0080.00819.37
7.4.70.0080.01616.32
7.4.60.0080.00816.57
7.4.50.0070.00316.11
7.4.40.0030.01322.27
7.4.30.0140.00616.43
7.4.00.0030.01015.03
7.3.330.0000.00513.21
7.3.320.0000.00713.09
7.3.310.0000.00616.10
7.3.300.0030.00316.12
7.3.290.0030.01216.25
7.3.280.0100.00516.31
7.3.270.0120.00617.40
7.3.260.0060.01318.24
7.3.250.0060.01416.39
7.3.240.0070.01016.30
7.3.230.0160.00316.39
7.3.210.0070.01016.39
7.3.200.0090.00919.39
7.3.190.0070.01016.39
7.3.180.0100.00716.19
7.3.170.0060.00916.53
7.3.160.0130.00316.61
7.3.120.0030.01114.54
7.3.110.0100.00714.34
7.3.100.0070.00714.71
7.3.90.0070.00714.75
7.3.80.0090.00914.71
7.3.70.0070.00714.70
7.3.60.0090.00614.79
7.3.50.0000.01514.68
7.3.40.0040.00814.68
7.3.30.0090.00614.52
7.3.20.0040.01116.79
7.3.10.0030.00916.66
7.3.00.0050.00616.53
7.2.330.0090.00916.54
7.2.320.0100.01016.55
7.2.310.0060.01216.30
7.2.300.0000.01916.39
7.2.290.0130.01016.75
7.2.250.0060.01315.11
7.2.240.0080.01215.16
7.2.230.0060.01014.80
7.2.220.0070.00714.90
7.2.210.0070.01014.52
7.2.200.0100.00314.97
7.2.190.0030.01314.85
7.2.180.0030.01214.88
7.2.170.0040.00814.60
7.2.130.0030.00516.78
7.2.120.0040.00816.65
7.2.110.0110.00016.64
7.2.100.0060.00916.92
7.2.90.0060.00616.80
7.2.80.0060.00916.89
7.2.70.0040.01116.92
7.2.60.0080.00716.76
7.2.50.0040.00716.66
7.2.40.0030.00616.91
7.2.30.0080.00616.76
7.2.20.0080.00816.92
7.2.10.0070.00716.25
7.2.00.0060.00817.89
7.1.330.0070.00415.66
7.1.320.0040.01115.90
7.1.310.0060.01215.76
7.1.300.0080.00815.79
7.1.290.0000.01515.88
7.1.280.0060.00315.70
7.1.270.0000.01115.70
7.1.260.0040.00415.40
7.1.250.0100.00315.79
7.1.200.0110.00315.61
7.1.100.0060.01217.97
7.1.70.0000.00817.08
7.1.60.0120.01219.40
7.1.50.0150.01516.42
7.1.00.0030.07722.36
7.0.200.0050.00516.77
7.0.140.0000.07722.21
7.0.70.0070.08321.65
7.0.60.0070.05721.66
7.0.50.0200.06722.12
7.0.40.0130.04020.10
7.0.30.0000.07020.05
7.0.20.0130.03719.95
7.0.10.0070.05320.04
7.0.00.0130.08320.04
5.6.280.0070.07320.89
5.6.220.0070.07320.52
5.6.210.0030.07320.77
5.6.200.0100.08720.95
5.6.190.0030.09321.08
5.6.180.0030.07321.05
5.6.170.0130.08320.98
5.6.160.0030.09321.08
5.6.150.0100.07021.03
5.6.140.0070.09021.11
5.6.130.0000.09021.06
5.6.120.0030.08321.11
5.6.110.0130.08321.04
5.6.100.0030.08321.06
5.6.90.0100.08321.00
5.6.80.0200.07720.32
5.6.70.0030.08020.52
5.6.60.0030.04020.47
5.6.50.0100.06020.42
5.6.40.0100.05020.38
5.6.30.0030.04320.37
5.6.20.0070.06020.46
5.6.10.0070.07020.34
5.6.00.0070.07320.45
5.5.360.0100.08720.42
5.5.350.0170.05720.43
5.5.340.0100.07720.92
5.5.330.0030.08320.80
5.5.320.0100.08020.89
5.5.310.0100.07020.83
5.5.300.0030.08720.78
5.5.290.0130.08020.90
5.5.280.0030.06020.65
5.5.270.0070.06720.79
5.5.260.0000.08020.73
5.5.250.0100.07720.55
5.5.240.0070.07720.22
5.5.230.0030.04720.07
5.5.220.0070.03720.25
5.5.210.0100.05320.25
5.5.200.0070.03720.28
5.5.190.0030.05320.15
5.5.180.0000.08320.24
5.5.160.0070.04020.07
5.5.150.0100.05720.16
5.5.140.0070.04720.19
5.5.130.0030.08320.07
5.5.120.0070.07720.25
5.5.110.0070.08320.08
5.5.100.0100.05020.13
5.5.90.0030.08020.09
5.5.80.0000.09020.07
5.5.70.0100.07719.96
5.5.60.0000.06320.15
5.5.50.0130.03020.05
5.5.40.0100.05019.93
5.5.30.0100.07720.13
5.5.20.0030.08720.15
5.5.10.0100.08020.04
5.5.00.0130.03019.97
5.4.450.0070.05319.46
5.4.440.0070.05019.46
5.4.430.0030.04719.32
5.4.420.0130.07019.53
5.4.410.0070.07319.32
5.4.400.0130.07319.21
5.4.390.0100.03719.04
5.4.380.0000.04019.21
5.4.370.0070.07719.09
5.4.360.0070.03719.05
5.4.350.0070.05319.09
5.4.340.0170.07318.88
5.4.320.0000.04319.02
5.4.310.0070.04318.91
5.4.300.0100.07319.21
5.4.290.0070.06019.16
5.4.280.0070.07719.03
5.4.270.0100.07719.20
5.4.260.0030.08019.03
5.4.250.0100.07719.00
5.4.240.0030.05018.92
5.4.230.0100.05719.02
5.4.220.0070.08019.13
5.4.210.0000.05719.02
5.4.200.0200.06719.11
5.4.190.0200.05019.04
5.4.180.0100.06019.01
5.4.170.0000.05019.17
5.4.160.0030.05019.12
5.4.150.0070.06019.18
5.4.140.0130.06716.24
5.4.130.0070.03316.50
5.4.120.0130.04016.47
5.4.110.0100.07716.49
5.4.100.0100.06316.48
5.4.90.0070.03716.32
5.4.80.0070.07716.47
5.4.70.0070.05316.47
5.4.60.0130.07016.44
5.4.50.0130.07016.29
5.4.40.0100.07316.52
5.4.30.0070.08016.41
5.4.20.0070.07016.47
5.4.10.0030.07716.48
5.4.00.0130.06315.95
5.3.290.0070.07714.65
5.3.280.0030.08014.52
5.3.270.0100.04314.74
5.3.260.0030.05014.62
5.3.250.0070.04314.66
5.3.240.0030.04014.58
5.3.230.0070.04314.73
5.3.220.0030.04014.62
5.3.210.0170.07014.49
5.3.200.0000.04714.54
5.3.190.0100.03314.68
5.3.180.0100.07714.65
5.3.170.0030.08014.57
5.3.160.0070.08014.49
5.3.150.0100.07314.49
5.3.140.0100.07714.61
5.3.130.0100.08014.56
5.3.120.0030.08714.66
5.3.110.0070.08014.60
5.3.100.0070.06314.18
5.3.90.0070.04014.00
5.3.80.0070.04714.13
5.3.70.0130.07314.07
5.3.60.0030.08314.02
5.3.50.0130.04014.09
5.3.40.0070.05313.84
5.3.30.0030.04013.88
5.3.20.0030.06313.66
5.3.10.0000.07713.72
5.3.00.0000.06013.70
5.2.170.0030.04313.66
5.2.160.0100.04013.66
5.2.150.0070.03313.66
5.2.140.0070.06313.66
5.2.130.0030.05313.66
5.2.120.0100.03013.66
5.2.110.0070.05713.66
5.2.100.0130.04313.66
5.2.90.0030.03313.66
5.2.80.0070.03013.66
5.2.70.0070.03713.66
5.2.60.0030.06713.66
5.2.50.0100.05313.66
5.2.40.0170.04713.66
5.2.30.0030.06713.66
5.2.20.0030.06713.66
5.2.10.0070.05013.66
5.2.00.0070.06013.66
5.1.60.0030.06013.66
5.1.50.0070.05313.66
5.1.40.0070.05313.66
5.1.30.0030.06013.66
5.1.20.0070.05313.66
5.1.10.0000.06013.66
5.1.00.0030.06013.66
5.0.50.0030.04013.66
5.0.40.0030.04013.66
5.0.30.0000.06013.66
5.0.20.0030.01713.66
5.0.10.0000.03013.66
5.0.00.0070.05713.66
4.4.90.0100.02713.66
4.4.80.0000.03713.66
4.4.70.0070.03313.66
4.4.60.0030.03713.66
4.4.50.0030.03713.66
4.4.40.0030.05013.66
4.4.30.0070.03313.66
4.4.20.0030.03713.66
4.4.10.0000.04013.66
4.4.00.0000.05713.66
4.3.110.0030.03013.66
4.3.100.0000.02013.66
4.3.90.0000.02013.66
4.3.80.0070.03313.66
4.3.70.0030.03713.66
4.3.60.0030.03313.66
4.3.50.0000.03713.66
4.3.40.0070.04313.66
4.3.30.0000.02713.66
4.3.20.0030.03313.66
4.3.10.0030.02013.66
4.3.00.0000.02013.66

preferences:
47.97 ms | 401 KiB | 5 Q