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)
8.3.60.0070.00718.30
8.3.50.0110.00716.64
8.3.40.0090.00618.82
8.3.30.0110.00418.63
8.3.20.0020.00519.01
8.3.10.0000.00821.73
8.3.00.0080.00019.56
8.2.180.0190.00316.50
8.2.170.0120.00822.96
8.2.160.0090.00919.16
8.2.150.0000.00825.66
8.2.140.0090.00024.66
8.2.130.0040.00419.83
8.2.120.0040.00426.35
8.2.110.0030.00720.45
8.2.100.0090.00617.91
8.2.90.0050.00318.00
8.2.80.0040.00418.22
8.2.70.0000.00817.75
8.2.60.0080.00017.50
8.2.50.0030.00617.75
8.2.40.0030.00519.78
8.2.30.0030.00319.36
8.2.20.0040.00418.06
8.2.10.0120.00018.00
8.2.00.0070.00019.37
8.1.280.0110.00925.92
8.1.270.0050.00323.82
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0030.00623.86
8.1.230.0070.00423.93
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.25
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0030.00617.62
8.1.160.0040.00418.84
8.1.150.0030.00518.74
8.1.140.0040.00417.51
8.1.130.0070.00018.92
8.1.120.0100.00017.38
8.1.110.0070.00417.35
8.1.100.0000.00717.44
8.1.90.0000.00717.42
8.1.80.0000.00717.41
8.1.70.0040.00417.39
8.1.60.0040.00417.59
8.1.50.0040.00417.58
8.1.40.0050.00317.41
8.1.30.0000.00717.65
8.1.20.0040.00417.55
8.1.10.0070.00017.52
8.1.00.0000.00717.44
8.0.300.0000.00719.97
8.0.290.0040.00416.63
8.0.280.0030.00318.31
8.0.270.0030.00317.26
8.0.260.0040.00417.26
8.0.250.0030.00317.05
8.0.240.0080.00016.84
8.0.230.0030.00316.98
8.0.220.0000.00616.77
8.0.210.0030.00316.77
8.0.200.0070.00017.02
8.0.190.0050.00216.86
8.0.180.0080.00016.93
8.0.170.0040.00416.98
8.0.160.0060.00316.92
8.0.150.0000.00716.93
8.0.140.0040.00416.75
8.0.130.0030.00313.29
8.0.120.0040.00416.90
8.0.110.0040.00416.91
8.0.100.0040.00416.95
8.0.90.0040.00416.94
8.0.80.0090.00616.91
8.0.70.0050.00316.76
8.0.60.0000.00716.72
8.0.50.0020.00516.87
8.0.30.0090.00917.13
8.0.20.0050.01417.40
8.0.10.0040.00416.94
8.0.00.0110.00616.69
7.4.330.0030.00315.55
7.4.320.0000.00716.47
7.4.300.0030.00316.63
7.4.290.0000.00716.43
7.4.280.0040.00416.55
7.4.270.0000.00716.62
7.4.260.0000.00716.54
7.4.250.0030.00316.57
7.4.240.0030.00316.55
7.4.230.0030.00316.30
7.4.220.0000.00816.48
7.4.210.0120.00516.58
7.4.200.0000.00816.42
7.4.160.0090.00716.62
7.4.140.0130.00617.86
7.4.130.0090.01316.35
7.4.120.0100.00816.52
7.4.110.0100.00716.63
7.4.100.0170.00316.49
7.4.90.0120.01216.74
7.4.80.0090.01319.39
7.4.70.0100.00716.55
7.4.60.0120.00316.44
7.4.50.0080.00816.39
7.4.40.0130.01016.70
7.4.00.0060.00915.07
7.3.330.0060.00013.21
7.3.320.0000.00613.36
7.3.310.0040.00416.35
7.3.300.0000.00716.35
7.3.290.0070.00016.24
7.3.280.0070.00916.41
7.3.260.0110.00816.36
7.3.240.0090.00916.47
7.3.230.0120.00616.32
7.3.210.0040.01516.47
7.3.200.0040.01416.58
7.3.190.0110.00516.65
7.3.180.0120.00416.61
7.3.170.0100.00616.41
7.3.160.0100.01016.30
7.3.10.0090.01616.33
7.3.00.0180.00516.08
7.2.330.0070.02016.46
7.2.320.0090.00916.87
7.2.310.0070.01616.45
7.2.300.0090.01216.61
7.2.290.0110.01216.57
7.2.130.0140.01116.47
7.2.120.0160.01316.58
7.2.110.0190.00716.42
7.2.100.0170.00816.28
7.2.90.0220.00316.46
7.2.80.0100.01316.76
7.2.70.0120.01216.42
7.2.60.0130.00716.46
7.2.50.0160.01016.58
7.2.40.1630.01116.99
7.2.30.1280.00917.03
7.2.20.1050.00816.99
7.2.10.0730.01016.79
7.2.00.0770.00617.10
7.1.250.0160.00715.02
7.1.200.0000.01115.93
7.1.160.3810.01417.07
7.1.150.2500.00617.03
7.1.140.3000.01216.65
7.1.130.1550.01016.73
7.1.120.1760.01117.02
7.1.110.1860.01016.13
7.1.100.2110.00815.88
7.1.90.2960.00915.74
7.1.80.2710.01115.88
7.1.70.2700.00615.30
7.1.60.2650.01133.14
7.1.50.2810.01632.91
7.1.40.2830.01232.53
7.1.30.4570.01632.40
7.1.20.3030.01832.56
7.1.10.3180.00814.69
7.1.00.3030.01314.90
7.0.290.2590.01116.12
7.0.270.1720.01215.96
7.0.260.2110.01016.14
7.0.250.1630.00615.68
7.0.240.2320.01015.67
7.0.230.3150.00615.58
7.0.220.1990.00515.83
7.0.210.2420.00814.99
7.0.200.3710.01215.02
7.0.190.2500.01114.82
7.0.180.2230.00914.54
7.0.170.4120.01114.54
7.0.160.3760.01114.40
7.0.150.2570.00814.50
7.0.140.3250.00914.50
7.0.130.3340.01014.82
7.0.120.3740.01014.86
7.0.110.4010.00914.64
7.0.100.3160.00914.52
7.0.90.3030.01014.49
7.0.80.2390.00814.57
7.0.70.3460.01114.52
7.0.60.4130.01214.54
7.0.50.2640.00914.54
7.0.40.3220.01014.70
7.0.30.2150.00814.64
7.0.20.2910.00914.52
7.0.10.2830.01014.65
7.0.00.3050.01014.64
5.6.300.0170.05820.94
5.6.290.0230.08120.74
5.6.280.0190.05520.93
5.6.270.0220.06020.84
5.6.260.0200.06921.00
5.6.250.0230.07320.97
5.6.240.0160.05920.77
5.6.230.0160.05920.80
5.6.220.0160.05720.89
5.6.210.0160.06820.92
5.6.200.0200.07721.01
5.6.190.0150.06120.88
5.6.180.0120.06020.77
5.6.170.0140.05720.96
5.6.160.0220.05220.98
5.6.150.0220.05620.78
5.6.140.0230.05620.98
5.6.130.0180.05420.74
5.6.120.0180.05920.95
5.6.110.0240.06120.79
5.6.100.0200.05420.93
5.6.90.0210.05320.80
5.6.80.0100.06120.34
5.6.70.0160.05420.34
5.6.60.0180.07620.14
5.6.50.0210.05320.34
5.6.40.0200.05320.34
5.6.30.0180.05520.36
5.6.20.0150.05820.23
5.6.10.0190.05020.32
5.6.00.0180.05320.12
5.5.380.0150.05317.47
5.5.370.0120.05617.61
5.5.360.0130.05617.48
5.5.350.0190.07117.56
5.5.340.0130.05518.04
5.5.330.0150.05318.06
5.5.320.0120.05718.04
5.5.310.0110.05817.94
5.5.300.0200.05917.70
5.5.290.0150.06018.05
5.5.280.0140.05817.96
5.5.270.0190.07618.05
5.5.260.0200.05418.10
5.5.250.0190.05917.49
5.5.240.0120.05817.11
5.5.230.0180.07217.37
5.5.220.0170.05917.40
5.5.210.0200.04917.09
5.5.200.0140.05417.39
5.5.190.0180.05017.47
5.5.180.0160.05317.38
5.5.160.0140.05417.09
5.5.150.0210.06717.12
5.5.140.0180.05417.47
5.5.130.0150.05217.32
5.5.120.0150.05417.29
5.5.110.0190.04717.43
5.5.100.0160.05617.08
5.5.90.0170.05016.99
5.5.80.0170.05017.21
5.5.70.0200.04917.27
5.5.60.0130.05617.22
5.5.50.0110.05817.19
5.5.40.0140.05817.27
5.5.30.0210.05017.20
5.5.20.0110.05717.27
5.5.10.0160.07017.19
5.5.00.0140.05217.00
5.4.450.0140.06019.40
5.4.440.0170.05719.16
5.4.430.0150.05419.13
5.4.420.0190.05119.33
5.4.410.0140.05519.14
5.4.400.0110.05619.05
5.4.390.0250.06719.05
5.4.380.0160.05618.83
5.4.370.0140.05219.07
5.4.360.0110.05919.07
5.4.350.0130.06019.01
5.4.340.0160.05319.14
5.4.320.0150.05319.10
5.4.310.0160.05318.83
5.4.300.0180.05018.94
5.4.290.0170.05118.95
5.4.280.0150.05818.99
5.4.270.0170.05218.99
5.4.260.0220.05319.07
5.4.250.0170.05218.97
5.4.240.0140.05419.02
5.4.230.0140.05519.02
5.4.220.0180.05518.82
5.4.210.0200.04818.91
5.4.200.0150.06019.00
5.4.190.0190.05719.02
5.4.180.0130.05118.84
5.4.170.0170.05818.90
5.4.160.0160.05018.99
5.4.150.0060.06218.89
5.4.140.0200.05516.63
5.4.130.0130.04716.70
5.4.120.0080.05316.68
5.4.110.0100.05216.46
5.4.100.0080.05516.46
5.4.90.0090.05316.50
5.4.80.0150.05716.45
5.4.70.0170.06316.48
5.4.60.0140.04916.41
5.4.50.0140.05016.61
5.4.40.0110.05016.71
5.4.30.0150.05016.39
5.4.20.0100.05416.59
5.4.10.0110.05216.63
5.4.00.0100.05315.84
5.3.290.0120.05614.94
5.3.280.0120.05314.60
5.3.270.0160.05714.89
5.3.260.0150.05114.89
5.3.250.0080.05414.87
5.3.240.0150.05314.73
5.3.230.0090.05414.77
5.3.220.0140.04914.61
5.3.210.0140.05414.87
5.3.200.0220.04714.63
5.3.190.0140.05014.87
5.3.180.0200.05314.44
5.3.170.0160.06414.85
5.3.160.0130.05014.75
5.3.150.0070.05714.69
5.3.140.0130.04914.65
5.3.130.0170.05714.72
5.3.120.0120.05514.84
5.3.110.0130.05214.52
5.3.100.0170.04414.23
5.3.90.0170.05214.32
5.3.80.0110.05014.19
5.3.70.0180.04614.08
5.3.60.0180.04914.29
5.3.50.0060.05614.00
5.3.40.0130.05814.18
5.3.30.0130.06414.03
5.3.20.0180.05013.77
5.3.10.0170.05213.93
5.3.00.0100.05313.90
5.2.170.0090.05611.36
5.2.160.0090.04011.14
5.2.150.0100.04211.32
5.2.140.0090.04711.44
5.2.130.0140.03711.39
5.2.120.0120.04211.15
5.2.110.0160.04011.41
5.2.100.0080.04111.32
5.2.90.0100.05011.28
5.2.80.0120.05711.30
5.2.70.0160.04911.27
5.2.60.0160.04311.32
5.2.50.0100.04111.23
5.2.40.0080.06011.28
5.2.30.0150.04311.15
5.2.20.0120.04411.02
5.2.10.0070.04110.98
5.2.00.0110.03910.85
5.1.60.0080.03410.28
5.1.50.0110.03410.31
5.1.40.0070.0389.96
5.1.30.0130.04410.33
5.1.20.0090.04210.63
5.1.10.0070.03810.17
5.1.00.0130.03110.36
5.0.50.0070.0308.54
5.0.40.0090.0288.47
5.0.30.0100.0428.55
5.0.20.0100.0368.47
5.0.10.0080.0278.47
5.0.00.0110.0398.47
4.4.90.0050.0238.47
4.4.80.0060.0228.47
4.4.70.0050.0238.47
4.4.60.0030.0258.47
4.4.50.0050.0228.47
4.4.40.0050.0358.47
4.4.30.0040.0248.47
4.4.20.0080.0228.47
4.4.10.0030.0248.47
4.4.00.0040.0358.47
4.3.110.0080.0198.47
4.3.100.0050.0218.47
4.3.90.0090.0248.47
4.3.80.0030.0378.47
4.3.70.0070.0218.47
4.3.60.0050.0228.47
4.3.50.0050.0228.47
4.3.40.0100.0288.47
4.3.30.0040.0208.47
4.3.20.0020.0228.47
4.3.10.0050.0208.47
4.3.00.0040.0218.47

preferences:
67.48 ms | 400 KiB | 5 Q