3v4l.org

run code in 300+ PHP versions simultaneously
<?php class t { const A = 1; function __construct() { $r = new ReflectionClass($this); var_dump($r->hasConstant('A')); var_dump($r->hasConstant('c')); var_dump($r->hasConstant('A'), self::A); } } class s extends t { const A = 2; function __construct() { $r = new ReflectionClass($this); var_dump($r->hasConstant('A'), self::A); } } $t = new t; $s = new s;

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)
8.3.60.0090.00616.63
8.3.50.0110.00817.44
8.3.40.0170.00018.59
8.3.30.0110.00418.55
8.3.20.0080.00018.48
8.3.10.0030.00520.23
8.3.00.0030.00519.38
8.2.180.0150.00718.41
8.2.170.0120.00322.96
8.2.160.0110.00418.59
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00018.64
8.2.110.0060.00320.99
8.2.100.0040.00717.59
8.2.90.0060.00319.34
8.2.80.0040.00419.47
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0040.00417.91
8.2.30.0040.00418.04
8.2.20.0000.00919.25
8.2.10.0030.00617.59
8.2.00.0000.00817.66
8.1.280.0180.00325.92
8.1.270.0140.00423.99
8.1.260.0170.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00822.47
8.1.230.0050.00520.88
8.1.220.0000.00817.74
8.1.210.0030.00518.88
8.1.200.0060.00317.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0080.00018.75
8.1.160.0050.00218.80
8.1.150.0000.00718.47
8.1.140.0030.00617.33
8.1.130.0030.00317.73
8.1.120.0040.00417.39
8.1.110.0000.00717.39
8.1.100.0020.00517.32
8.1.90.0050.00217.37
8.1.80.0000.00717.34
8.1.70.0070.00017.38
8.1.60.0060.00317.60
8.1.50.0040.00417.47
8.1.40.0040.00417.39
8.1.30.0100.00017.61
8.1.20.0030.00617.61
8.1.10.0040.00417.57
8.1.00.0030.00617.32
8.0.300.0070.00019.98
8.0.290.0050.00316.63
8.0.280.0030.00318.43
8.0.270.0030.00317.10
8.0.260.0070.00016.62
8.0.250.0000.00716.79
8.0.240.0030.00316.80
8.0.230.0040.00416.78
8.0.220.0070.00016.81
8.0.210.0070.00016.68
8.0.200.0060.00016.95
8.0.190.0000.00816.92
8.0.180.0040.00316.80
8.0.170.0030.00516.73
8.0.160.0000.00716.84
8.0.150.0070.00016.75
8.0.140.0040.00416.76
8.0.130.0000.00513.27
8.0.120.0070.00016.73
8.0.110.0070.00016.75
8.0.100.0080.00016.71
8.0.90.0040.00416.77
8.0.80.0030.01216.81
8.0.70.0000.00816.77
8.0.60.0030.00516.74
8.0.50.0040.00416.84
8.0.30.0100.01016.88
8.0.20.0080.01016.98
8.0.10.0000.00816.83
8.0.00.0110.00916.52
7.4.330.0050.00012.91
7.4.320.0000.00616.57
7.4.300.0040.00416.41
7.4.290.0030.00316.50
7.4.280.0040.00416.57
7.4.270.0030.00316.52
7.4.260.0000.00513.24
7.4.250.0000.00816.38
7.4.240.0040.00416.52
7.4.230.0030.00316.49
7.4.220.0060.00916.54
7.4.210.0040.01116.39
7.4.200.0070.00016.59
7.4.190.0030.00316.47
7.4.160.0090.00616.48
7.4.150.0100.00716.42
7.4.140.0060.01316.47
7.4.130.0060.01316.35
7.4.120.0090.00616.32
7.4.110.0130.00616.49
7.4.100.0090.01116.31
7.4.90.0060.01216.56
7.4.80.0070.01419.39
7.4.70.0060.01016.68
7.4.60.0110.00616.39
7.4.50.0030.00316.31
7.4.40.0040.00716.33
7.4.30.0130.00316.38
7.4.00.0000.01315.07
7.3.330.0030.00313.12
7.3.320.0000.00613.18
7.3.310.0000.00716.29
7.3.300.0030.00316.28
7.3.290.0060.01116.22
7.3.280.0070.00716.19
7.3.270.0070.01016.41
7.3.260.0150.00716.59
7.3.250.0140.00616.37
7.3.240.0100.00616.21
7.3.230.0110.00616.22
7.3.210.0110.00816.54
7.3.200.0060.01016.55
7.3.190.0140.00316.31
7.3.180.0030.01216.39
7.3.170.0090.00616.41
7.3.160.0100.01316.55
7.3.120.0110.00415.01
7.2.330.0030.01316.75
7.2.320.0070.01116.63
7.2.310.0120.00916.48
7.2.300.0090.01116.47
7.2.290.0130.00316.40
7.2.00.0030.01018.93
7.1.100.0180.00717.84
7.1.70.0030.00717.27
7.1.60.0060.01819.30
7.1.50.0110.01416.52
7.1.00.0030.04322.27
7.0.200.0030.00516.71
7.0.140.0000.08022.12
7.0.120.0000.07722.05
7.0.60.0100.06320.03
7.0.50.0100.07717.86
7.0.40.0100.06020.26
7.0.30.0300.08320.14
7.0.20.0330.05020.23
7.0.10.0030.04720.26
7.0.00.0070.06720.03
5.6.280.0030.07320.79
5.6.210.0130.07320.77
5.6.200.0030.04018.30
5.6.190.0070.05020.61
5.6.180.0270.06020.68
5.6.170.0500.07020.47
5.6.160.0000.05320.54
5.6.150.0070.08018.15
5.6.140.0000.07718.18
5.6.130.0130.07318.28
5.6.120.0100.08020.97
5.6.110.0000.04721.02
5.6.100.0030.08721.00
5.6.90.0200.07720.99
5.6.80.0070.07020.41
5.5.350.4370.04020.48
5.5.340.0100.07717.98
5.5.330.0070.03720.27
5.5.320.0070.08320.24
5.5.310.0270.07320.27
5.5.300.0030.05018.01
5.5.290.0070.06018.07
5.5.280.0030.04020.68
5.5.270.0100.03720.96
5.5.260.0100.07720.65
5.5.250.0100.06320.69
5.5.240.0330.07320.05
5.4.450.0200.04319.41
5.4.440.0200.07019.41
5.4.430.0200.06719.63
5.4.420.0200.05319.30
5.4.410.0230.04019.34
5.4.400.0130.06319.25
5.4.390.0170.05318.98
5.4.380.0270.06719.24
5.4.370.0230.03319.00
5.4.360.0230.05319.16
5.4.350.0270.06018.95
5.4.340.0270.06719.15
5.4.320.0230.07019.09
5.4.310.0230.04318.97
5.4.300.0200.06018.85
5.4.290.0270.04319.21
5.4.280.0400.02318.86
5.4.270.0230.03319.21
5.4.260.0330.03019.08
5.4.250.0170.05319.05
5.4.240.0170.06718.83
5.4.230.0230.03018.97
5.4.220.0230.04719.12
5.4.210.0130.04019.14
5.4.200.0070.04718.99
5.4.190.0170.04018.96
5.4.180.0300.04319.15
5.4.170.0170.04719.30
5.4.160.0200.03319.10
5.4.150.0130.04019.07
5.4.140.0170.03716.51
5.4.130.0230.02716.34
5.4.120.0430.03316.50
5.4.110.0130.03716.25
5.4.100.0100.04016.63
5.4.90.0270.03716.59
5.4.80.0200.03316.48
5.4.70.0200.04016.43
5.4.60.0200.04016.55
5.4.50.0170.04016.55
5.4.40.0200.03016.52
5.4.30.0170.03316.50
5.4.20.0170.03316.37
5.4.10.0130.03716.56
5.4.00.0130.03716.22
5.3.290.0130.03716.22
5.3.280.0130.03716.22
5.3.270.0130.03716.22
5.3.260.0100.04316.22
5.3.250.0200.03716.22
5.3.240.0100.04316.22
5.3.230.0130.04016.22
5.3.220.0200.03316.22
5.3.210.0170.03716.22
5.3.200.0230.03016.22
5.3.190.0200.03316.22
5.3.180.0170.03316.22
5.3.170.0270.02716.22
5.3.160.0170.03716.22
5.3.150.0200.04316.22
5.3.140.0200.03316.22
5.3.130.0100.04316.22
5.3.120.0200.03316.22
5.3.110.0170.04016.22
5.3.100.0100.04016.22
5.3.90.0170.03716.22
5.3.80.0170.03316.22
5.3.70.0130.03716.22
5.3.60.0100.04016.22
5.3.50.0130.03716.22
5.3.40.0170.03316.22
5.3.30.0200.03016.22
5.3.20.0130.03716.22
5.3.10.0100.04316.22
5.3.00.0230.03316.22
5.2.170.0130.02716.22
5.2.160.0130.02716.22
5.2.150.0170.02316.22
5.2.140.0070.03316.22
5.2.130.0130.02716.22
5.2.120.0130.02716.22
5.2.110.0130.02716.22
5.2.100.0130.02716.22
5.2.90.0130.02716.22
5.2.80.0130.02716.22
5.2.70.0130.03016.22
5.2.60.0170.02716.22
5.2.50.0200.02716.22
5.2.40.0200.02016.22
5.2.30.0130.02716.22
5.2.20.0130.02716.22
5.2.10.0100.02716.22
5.2.00.0100.02716.22
5.1.60.0170.02716.22
5.1.50.0100.02316.22
5.1.40.0100.02316.22
5.1.30.0070.03016.22
5.1.20.0030.03716.22
5.1.10.0100.02716.22
5.1.00.0130.02716.22
5.0.50.0100.01716.22
5.0.40.0070.01716.22
5.0.30.0030.03316.22
5.0.20.0030.02016.22
5.0.10.0000.02316.22
5.0.00.0000.03316.22
4.4.90.0030.01716.22
4.4.80.0130.01316.22
4.4.70.0030.02016.22
4.4.60.0000.02016.22
4.4.50.0030.03016.22
4.4.40.0130.04716.22
4.4.30.0100.02016.22
4.4.20.0130.01316.22
4.4.10.0030.01716.22
4.4.00.0000.04016.22
4.3.110.0100.01316.22
4.3.100.0100.02316.22
4.3.90.0030.01716.22
4.3.80.0100.02316.22
4.3.70.0030.01716.22
4.3.60.0070.01716.22
4.3.50.0030.01716.22
4.3.40.0100.03016.22
4.3.30.0030.01716.22
4.3.20.0030.01716.22
4.3.10.0000.02016.22
4.3.00.0030.03316.22

preferences:
48.49 ms | 401 KiB | 5 Q