3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {protected $a = 'A';} 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)
8.3.60.0070.00718.31
8.3.50.0090.00916.36
8.3.40.0080.00818.63
8.3.30.0150.00418.88
8.3.20.0080.00019.07
8.3.10.0000.00721.73
8.3.00.0060.00317.80
8.2.180.0060.00925.92
8.2.170.0140.00718.99
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0000.01024.66
8.2.130.0070.00026.16
8.2.120.0080.00021.12
8.2.110.0040.00420.56
8.2.100.0040.00817.72
8.2.90.0000.00817.88
8.2.80.0000.00818.91
8.2.70.0000.00817.93
8.2.60.0040.00417.93
8.2.50.0050.00318.10
8.2.40.0000.00819.17
8.2.30.0050.00319.47
8.2.20.0080.00018.05
8.2.10.0040.00718.05
8.2.00.0070.00019.37
8.1.280.0070.00725.92
8.1.270.0070.00023.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.73
8.1.230.0080.00422.62
8.1.220.0050.00318.53
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0040.00419.13
8.1.180.0030.00618.10
8.1.170.0030.00618.44
8.1.160.0040.00418.88
8.1.150.0070.00018.83
8.1.140.0040.00417.68
8.1.130.0000.00718.89
8.1.120.0030.00317.39
8.1.110.0080.00317.36
8.1.100.0070.00017.27
8.1.90.0000.00717.39
8.1.80.0040.00417.30
8.1.70.0070.00017.36
8.1.60.0050.00317.54
8.1.50.0040.00417.51
8.1.40.0060.00317.57
8.1.30.0040.00417.65
8.1.20.0000.00817.66
8.1.10.0060.00317.46
8.1.00.0000.00817.51
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0030.00318.45
8.0.270.0040.00416.89
8.0.260.0040.00417.17
8.0.250.0000.00716.93
8.0.240.0070.00317.01
8.0.230.0040.00416.95
8.0.220.0030.00316.79
8.0.210.0080.00016.77
8.0.200.0000.00716.96
8.0.190.0000.00717.00
8.0.180.0040.00416.97
8.0.170.0030.00616.92
8.0.160.0000.00816.96
8.0.150.0030.00316.76
8.0.140.0080.00016.79
8.0.130.0000.00613.20
8.0.120.0060.00316.77
8.0.110.0040.00417.01
8.0.100.0030.00516.72
8.0.90.0040.00416.79
8.0.80.0030.01016.82
8.0.70.0070.00016.85
8.0.60.0030.00516.95
8.0.50.0030.00516.93
8.0.30.0100.00717.08
8.0.20.0160.00417.40
8.0.10.0000.00716.84
8.0.00.0090.00816.72
7.4.330.0000.00515.55
7.4.320.0070.00016.52
7.4.300.0040.00416.52
7.4.290.0030.00316.60
7.4.280.0040.00416.62
7.4.270.0070.00316.61
7.4.260.0030.00316.46
7.4.250.0080.00016.48
7.4.240.0030.00316.63
7.4.230.0070.00016.58
7.4.220.0000.00716.68
7.4.210.0030.01116.58
7.4.200.0040.00416.72
7.4.160.0090.00916.38
7.4.140.0120.00617.86
7.4.130.0100.00716.51
7.4.120.0110.01016.57
7.4.110.0030.01416.55
7.4.100.0090.00916.64
7.4.90.0110.01116.50
7.4.80.0120.00619.39
7.4.70.0030.01416.50
7.4.60.0060.01016.71
7.4.50.0140.00416.72
7.4.40.0150.00616.53
7.4.00.0000.01314.87
7.3.330.0020.00313.31
7.3.320.0000.00613.30
7.3.310.0000.00716.52
7.3.300.0000.00716.40
7.3.290.0050.00216.23
7.3.280.0060.00916.32
7.3.260.0100.01016.36
7.3.240.0080.00916.47
7.3.230.0060.01016.50
7.3.210.0100.01016.35
7.3.200.0130.00916.35
7.3.190.0080.00816.38
7.3.180.0000.01716.59
7.3.170.0060.01216.56
7.3.160.0130.00716.43
7.2.330.0160.00616.39
7.2.320.0120.01216.63
7.2.310.0030.01516.53
7.2.300.0040.01316.28
7.2.290.0000.01816.70
7.2.60.0030.01017.06
7.2.40.1610.01217.76
7.2.30.2740.00917.64
7.2.20.2800.01117.72
7.2.10.2460.01118.06
7.2.00.2400.01017.98
7.1.200.0030.01015.83
7.1.160.1430.00916.62
7.1.150.1950.01016.35
7.1.140.2600.00916.63
7.1.130.2550.01116.82
7.1.120.1990.00917.01
7.1.110.2240.00816.36
7.1.100.2280.01016.19
7.1.90.1600.01016.14
7.1.80.1990.00716.15
7.1.70.2190.00915.20
7.1.60.1880.01533.12
7.1.50.1680.01432.86
7.1.40.1940.01532.37
7.1.30.2490.01232.61
7.1.20.2470.01332.73
7.1.10.1990.01114.79
7.1.00.2010.00914.69
7.0.290.1820.01016.42
7.0.270.2600.01016.28
7.0.260.2290.01016.44
7.0.250.2340.00815.63
7.0.240.2260.00815.89
7.0.230.2130.01015.94
7.0.220.2150.00815.87
7.0.210.2060.00814.80
7.0.200.1740.00814.92
7.0.190.2170.00914.83
7.0.180.2020.00814.52
7.0.170.2290.00914.44
7.0.160.2720.00914.66
7.0.150.1930.00814.44
7.0.140.2210.00914.55
7.0.130.2120.01014.79
7.0.120.1870.00914.64
7.0.110.1970.01014.49
7.0.100.1650.01014.51
7.0.90.1930.01114.44
7.0.80.1970.01114.68
7.0.70.1670.01014.57
7.0.60.1960.00914.35
7.0.50.1770.01114.53
7.0.40.1040.00814.72
7.0.30.1920.01014.85
7.0.20.2500.00914.73
7.0.10.2110.00814.59
7.0.00.1800.01014.58
5.6.300.0200.06220.87
5.6.290.0150.06220.77
5.6.280.0180.05720.92
5.6.270.0190.05721.02
5.6.260.0150.05620.90
5.6.250.0200.06220.87
5.6.240.0210.06120.87
5.6.230.0150.06320.91
5.6.220.0200.06020.88
5.6.210.0200.06320.98
5.6.200.0200.05820.92
5.6.190.0230.06820.86
5.6.180.0150.06020.93
5.6.170.0180.05920.92
5.6.160.0160.05620.77
5.6.150.0220.05520.98
5.6.140.0210.06920.88
5.6.130.0180.05720.92
5.6.120.0170.05920.89
5.6.110.0200.06320.93
5.6.100.0190.06720.85
5.6.90.0170.06220.90
5.6.80.0140.05920.14
5.6.70.0190.05220.25
5.6.60.0150.05720.31
5.6.50.0170.06120.28
5.6.40.0140.06220.28
5.6.30.0190.06620.22
5.6.20.0170.06120.20
5.6.10.0160.05520.13
5.6.00.0140.05820.23
5.5.380.0120.06017.57
5.5.370.0160.06117.50
5.5.360.0210.05917.48
5.5.350.0180.05417.51
5.5.340.0190.05317.96
5.5.330.0170.06217.92
5.5.320.0170.06018.04
5.5.310.0170.06517.98
5.5.300.0170.05317.94
5.5.290.0140.05917.85
5.5.280.0170.06217.89
5.5.270.0140.05617.98
5.5.260.0160.05818.00
5.5.250.0150.06217.71
5.5.240.0140.05617.24
5.5.230.0140.05417.31
5.5.220.0140.05517.32
5.5.210.0160.05217.25
5.5.200.0170.05917.30
5.5.190.0140.05717.32
5.5.180.0110.06517.36
5.5.160.0170.05217.29
5.5.150.0150.05417.27
5.5.140.0140.05217.25
5.5.130.0150.05817.35
5.5.120.0160.05217.27
5.5.110.0120.05617.36
5.5.100.0130.06217.23
5.5.90.0120.05317.15
5.5.80.0190.04717.20
5.5.70.0150.05517.19
5.5.60.0150.05317.28
5.5.50.0150.05517.18
5.5.40.0140.05917.13
5.5.30.0150.05017.25
5.5.20.0160.05617.28
5.5.10.0120.05517.18
5.5.00.0160.05217.25
5.4.450.0160.05619.31
5.4.440.0180.05919.42
5.4.430.0130.05919.37
5.4.420.0160.05919.40
5.4.410.0200.05919.25
5.4.400.0140.05619.13
5.4.390.0160.06118.96
5.4.380.0160.06318.96
5.4.370.0140.05319.02
5.4.360.0190.05818.92
5.4.350.0190.05318.99
5.4.340.0160.05618.99
5.4.320.0150.05718.91
5.4.310.0150.05118.95
5.4.300.0140.05418.97
5.4.290.0150.06119.06
5.4.280.0150.05918.94
5.4.270.0190.05918.90
5.4.260.0140.05518.97
5.4.250.0150.05918.95
5.4.240.0160.05819.00
5.4.230.0150.05419.01
5.4.220.0160.05519.03
5.4.210.0160.05619.14
5.4.200.0140.05219.03
5.4.190.0170.05019.00
5.4.180.0170.05719.00
5.4.170.0160.05118.96
5.4.160.0150.05218.91
5.4.150.0120.05618.98
5.4.140.0150.05016.64
5.4.130.0150.04816.70
5.4.120.0180.04416.60
5.4.110.0130.05216.65
5.4.100.0140.05016.70
5.4.90.0150.05816.53
5.4.80.0140.05016.63
5.4.70.0160.05116.58
5.4.60.0150.05016.63
5.4.50.0170.04416.58
5.4.40.0140.05016.71
5.4.30.0170.05616.53
5.4.20.0160.04916.62
5.4.10.0150.04716.48
5.4.00.0170.04515.93
5.3.290.0160.05214.95
5.3.280.0150.05614.82
5.3.270.0130.05214.77
5.3.260.0150.05114.79
5.3.250.0140.05614.81
5.3.240.0120.05714.76
5.3.230.0140.05214.66
5.3.220.0120.05614.63
5.3.210.0130.05914.78
5.3.200.0110.05314.75
5.3.190.0150.05814.82
5.3.180.0180.05114.68
5.3.170.0140.05114.75
5.3.160.0140.04914.78
5.3.150.0160.05514.82
5.3.140.0150.04814.77
5.3.130.0160.06114.67
5.3.120.0130.05214.76
5.3.110.0170.06114.77
5.3.100.0130.05014.22
5.3.90.0130.05014.14
5.3.80.0130.05114.24
5.3.70.0130.05314.23
5.3.60.0160.05114.24
5.3.50.0180.05114.13
5.3.40.0160.05914.01
5.3.30.0130.04714.09
5.3.20.0150.04713.84
5.3.10.0150.04513.86
5.3.00.0150.04613.70
5.2.170.0120.04611.27
5.2.160.0140.04311.26
5.2.150.0110.04611.38
5.2.140.0100.04111.31
5.2.130.0110.03911.21
5.2.120.0100.03811.27
5.2.110.0130.03611.38
5.2.100.0100.03811.26
5.2.90.0130.04511.03
5.2.80.0110.04111.36
5.2.70.0140.04511.16
5.2.60.0130.04311.21
5.2.50.0120.04911.21
5.2.40.0090.04011.06
5.2.30.0120.03911.16
5.2.20.0130.03711.13
5.2.10.0110.04511.03
5.2.00.0120.04110.76
5.1.60.0120.0359.99
5.1.50.0100.03410.02
5.1.40.0090.03610.17
5.1.30.0110.03510.50
5.1.20.0080.03710.61
5.1.10.0120.03610.21
5.1.00.0070.03810.19
5.0.50.0080.0288.68
5.0.40.0080.0268.55
5.0.30.0090.0418.48
5.0.20.0100.0278.47
5.0.10.0100.0278.48
5.0.00.0070.0468.47
4.4.90.0060.0258.47
4.4.80.0080.0218.47
4.4.70.0040.0238.47
4.4.60.0070.0208.47
4.4.50.0050.0228.47
4.4.40.0080.0328.47
4.4.30.0060.0228.47
4.4.20.0060.0208.47
4.4.10.0070.0218.47
4.4.00.0070.0378.47
4.3.110.0060.0248.47
4.3.100.0050.0238.47
4.3.90.0060.0208.47
4.3.80.0050.0348.47
4.3.70.0050.0248.47
4.3.60.0070.0218.47
4.3.50.0070.0228.47
4.3.40.0060.0338.47
4.3.30.0040.0218.47
4.3.20.0060.0248.47
4.3.10.0060.0238.47
4.3.00.0050.0228.47

preferences:
49.62 ms | 400 KiB | 5 Q