3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const c = D::c; } $a = new A; class D { const c = A::c; } print_r($a);

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)
8.3.70.0120.00916.58
8.3.60.0070.01018.30
8.3.50.0090.00921.93
8.3.40.0070.00718.67
8.3.30.0120.00318.59
8.3.20.0000.00918.87
8.3.10.0050.00320.96
8.3.00.0050.00321.90
8.2.180.0100.00716.63
8.2.170.0110.01122.96
8.2.160.0070.01320.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.18
8.2.110.0030.00620.39
8.2.100.0070.00317.91
8.2.90.0040.00419.09
8.2.80.0060.00319.40
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0000.00818.09
8.2.30.0000.00721.09
8.2.20.0070.00017.52
8.2.10.0030.00517.69
8.2.00.0070.00317.55
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0040.00422.57
8.1.230.0000.01020.88
8.1.220.0050.00318.77
8.1.210.0040.00418.79
8.1.200.0040.00417.13
8.1.190.0080.00017.39
8.1.180.0000.00818.10
8.1.170.0000.00818.51
8.1.160.0070.00018.67
8.1.150.0030.00518.49
8.1.140.0030.00617.35
8.1.130.0030.00317.67
8.1.120.0000.00717.32
8.1.110.0030.00317.32
8.1.100.0040.00417.21
8.1.90.0030.00417.34
8.1.80.0000.00817.32
8.1.70.0040.00417.34
8.1.60.0050.00317.45
8.1.50.0000.00817.30
8.1.40.0030.00517.36
8.1.30.0040.00417.47
8.1.20.0080.00017.64
8.1.10.0070.00017.39
8.1.00.0080.00317.33
8.0.300.0040.00419.96
8.0.290.0040.00416.90
8.0.280.0070.00018.29
8.0.270.0050.00217.10
8.0.260.0030.00316.81
8.0.250.0000.00716.95
8.0.240.0080.00316.84
8.0.230.0070.00016.84
8.0.220.0000.00716.85
8.0.210.0000.00716.85
8.0.200.0000.00616.81
8.0.190.0040.00416.94
8.0.180.0000.00716.82
8.0.170.0040.00416.88
8.0.160.0000.00716.95
8.0.150.0050.00316.84
8.0.140.0040.00416.80
8.0.130.0030.00313.36
8.0.120.0050.00216.84
8.0.110.0000.00816.73
8.0.100.0080.00016.88
8.0.90.0000.00816.72
8.0.80.0060.00916.91
8.0.70.0000.00716.77
8.0.60.0050.00316.99
8.0.50.0040.00416.84
8.0.30.0120.01016.96
8.0.20.0090.01017.40
8.0.10.0040.00416.82
8.0.00.0050.01516.71
7.4.330.0000.00516.82
7.4.320.0030.00316.48
7.4.300.0030.00316.52
7.4.290.0000.00716.41
7.4.280.0000.00716.43
7.4.270.0040.00416.54
7.4.260.0060.00013.20
7.4.250.0050.00316.45
7.4.240.0030.00316.43
7.4.230.0000.00716.61
7.4.220.0090.00616.34
7.4.210.0080.00816.46
7.4.200.0080.00016.61
7.4.190.0070.00016.47
7.4.160.0120.00316.79
7.4.150.0110.00717.40
7.4.140.0140.00617.86
7.4.130.0110.00816.47
7.4.120.0120.00516.51
7.4.110.0130.00316.71
7.4.100.0140.00716.44
7.4.90.0060.01216.58
7.4.80.0060.01219.39
7.4.70.0060.01016.52
7.4.60.0040.01116.57
7.4.50.0040.00416.10
7.4.40.0110.00722.77
7.4.30.0120.00416.41
7.4.00.0090.00615.19
7.3.330.0000.00613.25
7.3.320.0030.00313.17
7.3.310.0030.00616.36
7.3.300.0040.00416.25
7.3.290.0120.00416.32
7.3.280.0090.00816.33
7.3.270.0000.01717.40
7.3.260.0130.00818.24
7.3.250.0100.01616.29
7.3.240.0070.01416.72
7.3.230.0060.01016.52
7.3.210.0090.00916.26
7.3.200.0060.01219.39
7.3.190.0110.00616.43
7.3.180.0080.00816.56
7.3.170.0070.01016.60
7.3.160.0160.00016.25
7.3.120.0100.00315.00
7.2.330.0170.00016.49
7.2.320.0030.01316.46
7.2.310.0120.01216.54
7.2.300.0100.00616.15
7.2.290.0130.00316.26
7.2.110.0120.00616.26
7.2.60.0070.00716.61
7.2.00.0000.01019.43
7.1.200.0090.00315.74
7.1.70.0000.01016.97
7.1.60.0040.01117.13
7.1.50.0030.02116.66
7.1.00.0000.03722.35
7.0.200.0100.00016.65
7.0.140.0000.07721.95
7.0.100.0030.08020.05
7.0.90.0100.07019.88
7.0.80.0070.08319.84
7.0.70.0070.07719.89
7.0.60.0070.06319.77
7.0.50.0100.08020.36
7.0.40.0030.09020.18
7.0.30.0030.08720.13
7.0.20.0170.07320.04
7.0.10.0100.07720.09
7.0.00.0030.06020.14
5.6.280.0070.06721.10
5.6.250.0100.08320.59
5.6.240.0130.07020.53
5.6.230.0130.06020.74
5.6.220.0130.07320.49
5.6.210.0070.05320.62
5.6.200.0170.07721.08
5.6.190.0170.07021.00
5.6.180.0170.06321.08
5.6.170.0130.08321.02
5.6.160.0130.07721.04
5.6.150.0100.04721.08
5.6.140.0070.04021.02
5.6.130.0070.04321.10
5.6.120.0070.09021.02
5.6.110.0070.05020.95
5.6.100.0100.08321.12
5.6.90.0070.05020.98
5.6.80.0000.08720.36
5.6.70.0130.07720.46
5.6.60.0000.08320.41
5.6.50.0100.08320.43
5.6.40.0130.07720.40
5.6.30.0030.04720.39
5.6.20.0070.05320.29
5.6.10.0130.05720.34
5.6.00.0030.05720.30
5.5.380.0070.08720.45
5.5.370.0030.07720.45
5.5.360.0030.08020.50
5.5.350.0070.08320.42
5.5.340.0100.08020.79
5.5.330.0130.06020.88
5.5.320.0000.09320.90
5.5.310.0100.08320.90
5.5.300.0030.07320.88
5.5.290.0030.04720.64
5.5.280.0130.08320.91
5.5.270.0000.08720.79
5.5.260.0070.04720.86
5.5.250.0100.08020.64
5.5.240.0030.06720.18
5.5.230.0100.07320.29
5.5.220.0000.08320.28
5.5.210.0030.08720.17
5.5.200.0000.05319.99
5.5.190.0070.08320.26
5.5.180.0070.05020.27
5.5.160.0030.08320.23
5.5.150.0070.07020.14
5.5.140.0100.04020.23
5.5.130.0130.07719.97
5.5.120.0170.06020.08
5.5.110.0070.04720.13
5.5.100.0100.07720.16
5.5.90.0070.07720.07
5.5.80.0130.07720.11
5.5.70.0200.05720.00
5.5.60.0030.06720.03
5.5.50.0130.07020.08
5.5.40.0070.04720.05
5.5.30.0030.07019.99
5.5.20.0030.08320.05
5.5.10.0030.05020.02
5.5.00.0100.06320.04
5.4.450.0030.08019.41
5.4.440.0130.06719.36
5.4.430.0100.07319.38
5.4.420.0100.07319.22
5.4.410.0130.07019.41
5.4.400.0030.07318.85
5.4.390.0070.08019.15
5.4.380.0130.07019.23
5.4.370.0100.06019.13
5.4.360.0170.07018.95
5.4.350.0070.04019.21
5.4.340.0070.07319.13
5.4.320.0100.07319.18
5.4.310.0070.07319.04
5.4.300.0030.08019.03
5.4.290.0130.03719.20
5.4.280.0200.06719.05
5.4.270.0100.07019.05
5.4.260.0000.04319.10
5.4.250.0030.07719.04
5.4.240.0070.06318.86
5.4.230.0030.08019.22
5.4.220.0070.04718.87
5.4.210.0100.06019.23
5.4.200.0170.06719.09
5.4.190.0030.05018.89
5.4.180.0130.06319.19
5.4.170.0070.07019.08
5.4.160.0030.04318.92
5.4.150.0070.04318.92
5.4.140.0030.08316.50
5.4.130.0030.06716.42
5.4.120.0000.04016.34
5.4.110.0100.06316.48
5.4.100.0070.04016.56
5.4.90.0100.06716.48
5.4.80.0030.07716.53
5.4.70.0030.04316.48
5.4.60.0130.06716.42
5.4.50.0130.03716.46
5.4.40.0130.06716.53
5.4.30.0130.03316.29
5.4.20.0030.04316.33
5.4.10.0130.04316.40
5.4.00.0070.04315.94
5.3.290.0100.07014.65
5.3.280.0070.07314.61
5.3.270.0000.06014.63
5.3.260.0030.05714.65
5.3.250.0130.07014.57
5.3.240.0100.06714.57
5.3.230.0070.08014.70
5.3.220.0030.07314.61
5.3.210.0100.07014.55
5.3.200.0100.07014.68
5.3.190.0070.07314.48
5.3.180.0100.06014.48
5.3.170.0100.07714.67
5.3.160.0130.06714.65
5.3.150.0100.06714.55
5.3.140.0100.07314.60
5.3.130.0070.08014.50
5.3.120.0100.06714.59
5.3.110.0130.07014.59
5.3.100.0200.06714.15
5.3.90.0070.06714.07
5.3.80.0070.04714.07
5.3.70.0070.07314.00
5.3.60.0070.06714.05
5.3.50.0070.07013.99
5.3.40.0100.07713.93
5.3.30.0100.07013.96
5.3.20.0170.05713.57
5.3.10.0070.07313.75
5.3.00.0070.07313.54
5.2.170.0070.06011.63
5.2.160.0030.06311.63
5.2.150.0030.06011.63
5.2.140.0130.03711.63
5.2.130.0030.06311.63
5.2.120.0070.05311.63
5.2.110.0170.05011.63
5.2.100.0030.06311.63
5.2.90.0070.04311.63
5.2.80.0070.06311.63
5.2.70.0070.05711.63
5.2.60.0030.06311.63
5.2.50.0100.05011.63
5.2.40.0100.06011.63
5.2.30.0070.03718.66
5.2.20.0030.06718.76
5.2.10.0100.05718.64
5.2.00.0030.03718.54
5.1.60.0170.04717.88
5.1.50.0030.05717.86
5.1.40.0130.05017.84
5.1.30.0070.03018.23
5.1.20.0070.03711.63
5.1.10.0030.05311.63
5.1.00.0070.05011.63
5.0.50.0100.03711.63
5.0.40.0030.02311.63
5.0.30.0030.05311.63
5.0.20.0030.02711.63
5.0.10.0030.03711.63
5.0.00.0030.04011.63
4.4.90.0000.04311.63
4.4.80.0000.03711.63
4.4.70.0070.02011.63
4.4.60.0030.03311.63
4.4.50.0000.03711.63
4.4.40.0030.02311.63
4.4.30.0030.02011.63
4.4.20.0030.01711.63
4.4.10.0000.03011.63
4.4.00.0000.06011.63
4.3.110.0030.01311.63
4.3.100.0000.03011.63
4.3.90.0030.02311.63
4.3.80.0070.04011.63
4.3.70.0030.01711.63
4.3.60.0100.01711.63
4.3.50.0030.03711.63
4.3.40.0000.04311.63
4.3.30.0000.02011.63
4.3.20.0000.02011.63
4.3.10.0000.03711.63
4.3.00.0030.03711.63

preferences:
47.85 ms | 401 KiB | 5 Q