3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {protected $a = 'A'; /*public function __get($f){ return 'field_'.$f; }*/} class B1 extends A {} class B2 extends A {protected $a = 'B';} class C extends A { public function foo(A $a) { echo $a->a; // will fail depends on $a implementation // liskov substitution principle failed } } $a = new A(); $b1 = new B1(); $b2 = new B2(); $c = new C(); $c->foo($b1); // ok $c->foo($b2); // not ok?

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)
8.3.60.0000.01418.40
8.3.50.0160.00316.48
8.3.40.0180.00318.86
8.3.30.0090.00618.61
8.3.20.0040.00419.15
8.3.10.0070.00021.81
8.3.00.0030.00617.87
8.2.180.0090.00616.50
8.2.170.0070.00722.96
8.2.160.0110.00319.16
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0050.00319.89
8.2.120.0070.00026.35
8.2.110.0090.00020.39
8.2.100.0080.00317.91
8.2.90.0030.00519.27
8.2.80.0000.00718.05
8.2.70.0040.00417.92
8.2.60.0040.00417.93
8.2.50.0050.00318.10
8.2.40.0000.00819.04
8.2.30.0050.00219.38
8.2.20.0000.00817.98
8.2.10.0060.00617.97
8.2.00.0000.00719.30
8.1.280.0040.01125.92
8.1.270.0050.00323.96
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00624.02
8.1.230.0000.01117.70
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0090.00017.21
8.1.180.0050.00318.10
8.1.170.0030.00618.52
8.1.160.0040.00418.79
8.1.150.0060.00318.82
8.1.140.0040.00417.64
8.1.130.0040.00418.93
8.1.120.0000.00817.30
8.1.110.0110.00017.44
8.1.100.0040.00417.42
8.1.90.0040.00417.42
8.1.80.0000.00717.39
8.1.70.0070.00017.29
8.1.60.0000.00817.56
8.1.50.0090.00017.41
8.1.40.0030.00517.46
8.1.30.0000.00717.49
8.1.20.0080.00017.63
8.1.10.0040.00417.53
8.1.00.0040.00417.52
8.0.300.0080.00019.97
8.0.290.0040.00416.75
8.0.280.0000.00718.35
8.0.270.0030.00317.30
8.0.260.0000.00817.27
8.0.250.0000.00717.04
8.0.240.0050.00317.05
8.0.230.0030.00316.82
8.0.220.0070.00016.84
8.0.210.0070.00016.76
8.0.200.0000.00816.92
8.0.190.0070.00016.87
8.0.180.0000.00816.82
8.0.170.0080.00016.95
8.0.160.0070.00016.89
8.0.150.0060.00316.88
8.0.140.0030.00316.74
8.0.130.0030.00313.31
8.0.120.0050.00316.90
8.0.110.0040.00416.88
8.0.100.0040.00416.99
8.0.90.0040.00416.89
8.0.80.0090.00916.90
8.0.70.0000.00716.77
8.0.60.0020.00516.70
8.0.50.0020.00516.92
8.0.30.0070.01217.26
8.0.20.0100.00717.40
8.0.10.0040.00417.05
8.0.00.0080.00916.83
7.4.330.0000.00615.55
7.4.320.0030.00616.54
7.4.300.0000.00716.52
7.4.290.0050.00316.45
7.4.280.0040.00416.50
7.4.270.0140.00016.61
7.4.260.0080.00016.60
7.4.250.0030.00516.57
7.4.240.0040.00416.61
7.4.230.0030.00316.40
7.4.220.0000.00716.61
7.4.210.0080.00816.52
7.4.200.0000.00716.57
7.4.160.0070.01016.61
7.4.140.0100.00917.86
7.4.130.0100.00716.34
7.4.120.0100.00816.51
7.4.110.0070.01016.61
7.4.100.0040.01916.44
7.4.90.0000.01716.45
7.4.80.0150.00919.39
7.4.70.0030.01316.52
7.4.60.0040.01316.48
7.4.50.0070.01016.46
7.4.40.0090.01216.37
7.4.00.0060.01015.12
7.3.330.0050.00013.38
7.3.320.0050.00013.43
7.3.310.0070.00016.40
7.3.300.0030.00316.32
7.3.290.0070.00016.40
7.3.280.0080.00916.33
7.3.260.0070.01016.38
7.3.240.0080.01016.39
7.3.230.0090.00916.28
7.3.210.0130.00316.37
7.3.200.0070.01016.38
7.3.190.0120.00416.41
7.3.180.0130.01016.37
7.3.170.0060.01116.38
7.3.160.0130.00316.32
7.2.330.0100.01316.41
7.2.320.0070.01016.31
7.2.310.0130.00616.82
7.2.300.0000.01816.60
7.2.290.0090.01016.44
7.2.60.0110.00316.88
7.2.40.1940.01318.05
7.2.30.1420.00917.91
7.2.20.1750.01217.94
7.2.10.1420.01118.18
7.2.00.2020.00918.09
7.1.200.0030.00715.85
7.1.160.1740.00916.88
7.1.150.1490.01016.99
7.1.140.1690.00916.78
7.1.130.1480.00916.72
7.1.120.1610.01116.62
7.1.110.1700.00916.45
7.1.100.1620.01016.13
7.1.90.1390.00916.12
7.1.80.1530.00816.35
7.1.70.1350.01015.27
7.1.60.1650.00833.20
7.1.50.1560.01732.88
7.1.40.1420.01332.55
7.1.30.1400.01432.62
7.1.20.1550.01532.69
7.1.10.1460.00914.56
7.1.00.1230.01314.76
7.0.290.1750.00716.52
7.0.270.2000.00916.38
7.0.260.1850.01116.49
7.0.250.2070.01115.85
7.0.240.1610.01316.27
7.0.230.1850.00715.99
7.0.220.1960.00615.96
7.0.210.1500.01014.93
7.0.200.1400.01115.06
7.0.190.1370.01014.66
7.0.180.1380.00914.40
7.0.170.1240.01114.53
7.0.160.1090.01014.62
7.0.150.1020.00814.45
7.0.140.0950.01014.60
7.0.130.1100.01114.79
7.0.120.1060.00814.82
7.0.110.0990.01014.49
7.0.100.1980.00914.75
7.0.90.1070.01014.55
7.0.80.1310.01114.55
7.0.70.1070.00814.63
7.0.60.0970.00814.54
7.0.50.0930.01414.38
7.0.40.0820.01114.87
7.0.30.1150.00814.77
7.0.20.0810.00714.63
7.0.10.1010.01114.57
7.0.00.0760.01314.82
5.6.300.0140.05920.83
5.6.290.0170.06420.76
5.6.280.0120.06020.98
5.6.270.0170.05920.85
5.6.260.0140.05820.90
5.6.250.0160.05720.79
5.6.240.0180.06120.80
5.6.230.0180.06121.01
5.6.220.0180.05520.84
5.6.210.0190.05220.88
5.6.200.0200.07120.89
5.6.190.0170.06020.87
5.6.180.0180.05420.98
5.6.170.0200.06620.79
5.6.160.0180.05620.88
5.6.150.0120.06320.78
5.6.140.0230.05320.92
5.6.130.0180.05520.86
5.6.120.0120.06520.83
5.6.110.0190.07620.87
5.6.100.0210.05620.96
5.6.90.0150.05720.95
5.6.80.0130.05520.19
5.6.70.0200.05620.29
5.6.60.0180.05720.27
5.6.50.0150.05420.24
5.6.40.0190.05120.26
5.6.30.0180.06120.40
5.6.20.0160.05620.14
5.6.10.0200.05220.11
5.6.00.0170.06720.35
5.5.380.0170.05317.50
5.5.370.0220.06617.47
5.5.360.0180.05217.41
5.5.350.0170.05517.44
5.5.340.0160.05917.75
5.5.330.0180.05517.78
5.5.320.0160.05318.13
5.5.310.0140.05817.80
5.5.300.0140.05817.78
5.5.290.0180.05618.03
5.5.280.0120.06118.02
5.5.270.0200.05518.01
5.5.260.0180.05417.95
5.5.250.0190.06017.86
5.5.240.0110.05917.38
5.5.230.0140.05917.09
5.5.220.0200.04717.41
5.5.210.0160.05017.34
5.5.200.0160.05217.10
5.5.190.0180.07117.41
5.5.180.0180.05417.07
5.5.160.0170.06817.43
5.5.150.0150.05717.37
5.5.140.0150.05117.05
5.5.130.0160.05017.46
5.5.120.0110.05517.41
5.5.110.0130.05717.29
5.5.100.0160.05317.26
5.5.90.0110.06217.02
5.5.80.0140.05417.00
5.5.70.0130.05617.02
5.5.60.0210.06317.27
5.5.50.0110.06616.98
5.5.40.0190.05117.26
5.5.30.0150.05417.04
5.5.20.0140.05517.23
5.5.10.0130.05517.23
5.5.00.0190.05217.26
5.4.450.0300.05419.38
5.4.440.0180.06119.29
5.4.430.0130.05719.32
5.4.420.0130.05819.46
5.4.410.0180.05319.17
5.4.400.0160.05919.14
5.4.390.0120.05618.86
5.4.380.0230.04719.05
5.4.370.0180.05318.83
5.4.360.0130.05918.91
5.4.350.0120.06518.98
5.4.340.0220.06418.98
5.4.320.0210.05119.00
5.4.310.0150.05218.95
5.4.300.0250.06419.03
5.4.290.0120.05419.04
5.4.280.0190.05118.95
5.4.270.0140.05719.02
5.4.260.0180.05218.95
5.4.250.0120.05618.85
5.4.240.0160.05219.22
5.4.230.0210.06519.00
5.4.220.0170.05718.97
5.4.210.0150.05518.94
5.4.200.0140.05619.10
5.4.190.0160.05418.84
5.4.180.0140.05118.98
5.4.170.0160.05719.00
5.4.160.0180.04919.23
5.4.150.0150.05318.89
5.4.140.0210.04716.68
5.4.130.0170.04516.70
5.4.120.0120.05116.73
5.4.110.0140.05616.62
5.4.100.0120.05216.71
5.4.90.0130.04816.69
5.4.80.0120.05416.68
5.4.70.0180.04716.57
5.4.60.0160.04816.54
5.4.50.0170.05016.66
5.4.40.0200.04416.44
5.4.30.0150.05816.38
5.4.20.0200.05416.63
5.4.10.0150.05016.41
5.4.00.0140.04716.14
5.3.290.0210.06814.84
5.3.280.0140.06614.72
5.3.270.0140.05214.49
5.3.260.0130.05214.73
5.3.250.0100.05814.60
5.3.240.0150.04914.87
5.3.230.0130.05114.82
5.3.220.0170.05314.84
5.3.210.0130.05414.86
5.3.200.0160.04914.44
5.3.190.0130.05314.74
5.3.180.0140.04814.63
5.3.170.0170.04814.69
5.3.160.0120.05414.62
5.3.150.0170.04814.84
5.3.140.0130.05714.68
5.3.130.0200.04914.77
5.3.120.0150.05014.43
5.3.110.0200.06214.55
5.3.100.0160.05114.28
5.3.90.0210.04414.25
5.3.80.0130.05114.30
5.3.70.0130.06414.23
5.3.60.0180.05814.11
5.3.50.0200.04714.16
5.3.40.0160.04714.02
5.3.30.0110.05414.13
5.3.20.0180.05113.92
5.3.10.0150.05513.87
5.3.00.0110.05213.70
5.2.170.0110.04211.33
5.2.160.0130.05211.32
5.2.150.0100.04311.43
5.2.140.0060.04511.20
5.2.130.0150.03611.37
5.2.120.0150.05011.10
5.2.110.0070.04411.41
5.2.100.0110.03910.99
5.2.90.0110.03811.37
5.2.80.0130.05011.30
5.2.70.0140.04311.30
5.2.60.0110.04111.04
5.2.50.0110.03911.14
5.2.40.0150.03511.21
5.2.30.0110.04011.06
5.2.20.0120.03811.08
5.2.10.0090.05010.92
5.2.00.0100.03910.94
5.1.60.0090.03310.21
5.1.50.0100.03310.20
5.1.40.0120.03110.30
5.1.30.0100.03410.22
5.1.20.0110.03410.64
5.1.10.0090.03510.12
5.1.00.0100.0439.95
5.0.50.0100.0268.53
5.0.40.0040.0298.50
5.0.30.0080.0418.47
5.0.20.0080.0278.47
5.0.10.0060.0288.47
5.0.00.0100.0428.47
4.4.90.0110.0168.47
4.4.80.0100.0188.47
4.4.70.0060.0228.47
4.4.60.0060.0218.47
4.4.50.0080.0198.47
4.4.40.0050.0338.47
4.4.30.0020.0248.47
4.4.20.0070.0208.47
4.4.10.0030.0298.47
4.4.00.0090.0308.47
4.3.110.0040.0238.47
4.3.100.0060.0218.47
4.3.90.0070.0198.47
4.3.80.0070.0328.47
4.3.70.0080.0278.47
4.3.60.0100.0178.47
4.3.50.0020.0258.47
4.3.40.0090.0408.47
4.3.30.0030.0238.47
4.3.20.0080.0268.47
4.3.10.0040.0218.47
4.3.00.0060.0238.47

preferences:
81.53 ms | 400 KiB | 5 Q