3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface MyInterface { } class BaseClass implements MyInterface{ } class MyClass extends BaseClass{ } $object = new MyClass(); echo @is_subclass_of('BaseClass', 'BaseClass')? "Yes ":"No "; echo @is_subclass_of('MyClass', 'BaseClass')? "Yes ":"No "; echo @is_subclass_of('MyClass', 'MyInterface')? "Yes ":"No "; echo "\n"; echo @is_subclass_of($object, 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of($object, 'MyInterface')? "Yes\n":"No\n";

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)
8.3.60.0110.00316.75
8.3.50.0090.01116.53
8.3.40.0060.00918.65
8.3.30.0070.00718.63
8.3.20.0050.00218.65
8.3.10.0030.00520.44
8.3.00.0000.00817.46
8.2.180.0040.01416.32
8.2.170.0070.00722.96
8.2.160.0060.00922.13
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00419.89
8.2.110.0060.00321.12
8.2.100.0120.00017.91
8.2.90.0040.00419.12
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0030.00518.03
8.2.50.0000.00918.22
8.2.40.0000.00820.60
8.2.30.0040.00419.30
8.2.20.0070.00017.56
8.2.10.0000.01019.48
8.2.00.0100.00017.68
8.1.280.0140.00425.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0030.00622.74
8.1.230.0000.01119.07
8.1.220.0030.00617.76
8.1.210.0080.00018.77
8.1.200.0100.00017.36
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00418.35
8.1.160.0050.00218.89
8.1.150.0000.00720.26
8.1.140.0000.00717.45
8.1.130.0030.00317.82
8.1.120.0000.00717.44
8.1.110.0000.00717.43
8.1.100.0080.00017.47
8.1.90.0000.00717.41
8.1.80.0000.00717.55
8.1.70.0000.00717.34
8.1.60.0070.00017.57
8.1.50.0030.00617.35
8.1.40.0000.00717.56
8.1.30.0040.00417.57
8.1.20.0000.00817.60
8.1.10.0000.00817.59
8.1.00.0000.00717.43
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.45
8.0.270.0070.00017.27
8.0.260.0040.00416.82
8.0.250.0040.00416.99
8.0.240.0000.01116.86
8.0.230.0030.00316.84
8.0.220.0070.00016.93
8.0.210.0000.00716.79
8.0.200.0030.00316.91
8.0.190.0080.00016.86
8.0.180.0040.00416.76
8.0.170.0040.00416.81
8.0.160.0000.00716.92
8.0.150.0000.00916.86
8.0.140.0000.00816.74
8.0.130.0030.00313.29
8.0.120.0000.00816.87
8.0.110.0000.00716.71
8.0.100.0040.00416.71
8.0.90.0000.00816.91
8.0.80.0130.00316.93
8.0.70.0030.00516.80
8.0.60.0050.00216.83
8.0.50.0000.00716.75
8.0.30.0110.00917.17
8.0.20.0110.01117.00
8.0.10.0040.00416.88
8.0.00.0080.01216.66
7.4.330.0000.00512.89
7.4.320.0060.00016.61
7.4.300.0060.00016.50
7.4.290.0000.00716.51
7.4.280.0060.00516.52
7.4.270.0070.00016.48
7.4.260.0030.00313.30
7.4.250.0000.00816.48
7.4.240.0030.00316.43
7.4.230.0030.00316.40
7.4.220.0110.00416.66
7.4.210.0090.00716.59
7.4.200.0050.00316.71
7.4.190.0000.00616.45
7.4.160.0090.00616.67
7.4.150.0040.02016.55
7.4.140.0050.01216.57
7.4.130.0080.01016.55
7.4.120.0120.00516.46
7.4.110.0090.00916.52
7.4.100.0070.01316.52
7.4.90.0090.00916.54
7.4.80.0090.00716.52
7.4.70.0030.01416.55
7.4.60.0060.01016.42
7.4.50.0060.00316.35
7.4.40.0070.01016.60
7.4.30.0070.01016.39
7.4.00.0060.00614.97
7.3.330.0030.00313.26
7.3.320.0030.00413.13
7.3.310.0050.00216.32
7.3.300.0040.00416.18
7.3.290.0090.00616.26
7.3.280.0060.01116.25
7.3.270.0060.01316.27
7.3.260.0090.00916.34
7.3.250.0080.01016.43
7.3.240.0140.00316.39
7.3.230.0060.01216.29
7.3.210.0090.00616.41
7.3.200.0090.00919.39
7.3.190.0110.01016.30
7.3.180.0070.01016.48
7.3.170.0090.00816.20
7.3.160.0040.01216.13
7.3.120.0080.00815.12
7.3.10.0080.00816.64
7.3.00.0120.00316.28
7.2.330.0130.00316.46
7.2.320.0120.00616.58
7.2.310.0080.01216.60
7.2.300.0120.01216.63
7.2.290.0060.01116.56
7.2.130.0070.00716.64
7.2.120.0030.00716.82
7.2.110.0030.01316.63
7.2.100.0040.00816.68
7.2.90.0060.00917.02
7.2.80.0070.00416.97
7.2.70.0070.00316.72
7.2.60.0030.01016.79
7.2.50.0000.01117.00
7.2.40.0060.00616.81
7.2.30.0100.00716.70
7.2.20.0040.01117.03
7.2.10.0060.00916.54
7.2.00.0090.00616.54
7.1.250.0030.00915.80
7.1.100.0030.01017.80
7.1.70.0030.00717.09
7.1.60.0100.01319.40
7.1.50.0090.00916.88
7.1.00.0000.07322.57
7.0.200.0040.00416.84
7.0.140.0030.07722.00
7.0.120.0030.07322.04
7.0.60.0130.07019.86
7.0.50.0030.04717.89
7.0.40.0000.05720.20
7.0.30.0370.04020.19
7.0.20.0170.06020.33
7.0.10.0070.05720.06
7.0.00.0100.08720.12
5.6.280.0070.07021.04
5.6.210.0070.06320.60
5.6.200.0030.04318.16
5.6.190.0130.05720.50
5.6.180.0330.08020.63
5.6.170.0200.03720.56
5.6.160.0130.03320.47
5.6.150.0070.04718.18
5.6.140.0000.04018.17
5.6.130.0200.07018.18
5.6.120.0230.06721.02
5.6.110.0000.08321.11
5.6.100.0130.08021.08
5.6.90.0070.08721.00
5.6.80.0070.07720.39
5.5.350.0100.07320.43
5.5.340.0000.05318.00
5.5.330.0030.04020.13
5.5.320.0370.04720.30
5.5.310.0330.06020.24
5.5.300.0130.05317.95
5.5.290.0130.07317.97
5.5.280.0070.09020.96
5.5.270.0100.06720.87
5.5.260.0030.08020.79
5.5.250.0070.08020.70
5.5.240.0230.07720.26
5.4.450.0000.04719.45
5.4.440.0070.04319.20
5.4.430.0070.03719.46
5.4.420.0000.04719.47
5.4.410.0000.04319.18
5.4.400.0070.03319.25
5.4.390.0000.04018.87
5.4.380.0030.03719.24
5.4.370.0070.03719.17
5.4.360.0030.03719.16
5.4.350.0030.03719.00
5.4.340.0030.04019.04
5.4.320.0000.04018.86
5.4.310.0030.04019.25
5.4.300.0070.03719.00
5.4.290.0100.04318.84
5.4.280.0170.07019.17
5.4.270.0070.04719.23
5.4.260.0100.05019.26
5.4.250.0070.04719.00
5.4.240.0100.04718.84
5.4.230.0030.04719.07
5.4.220.0000.08319.13
5.4.210.0200.06319.23
5.4.200.0070.07718.86
5.4.190.0070.04019.20
5.4.180.0030.07319.14
5.4.170.0030.06719.23
5.4.160.0100.07018.84
5.4.150.0100.04719.22
5.4.140.0070.08016.41
5.4.130.0030.05716.46
5.4.120.0030.05716.39
5.4.110.0100.03716.48
5.4.100.0070.05316.58
5.4.90.0070.03316.46
5.4.80.0030.03716.45
5.4.70.0070.04316.55
5.4.60.0170.03016.45
5.4.50.0070.06316.38
5.4.40.0030.04316.38
5.4.30.0000.04316.36
5.4.20.0000.08016.36
5.4.10.0130.03716.40
5.4.00.0030.06015.99
5.3.290.0130.03314.72
5.3.280.0130.06714.74
5.3.270.0100.04714.59
5.3.260.0070.07714.61
5.3.250.0070.06014.66
5.3.240.0200.05714.64
5.3.230.0000.05014.63
5.3.220.0030.04014.57
5.3.210.0070.04314.59
5.3.200.0070.07714.55
5.3.190.0000.04014.73
5.3.180.0070.03314.58
5.3.170.0030.07014.71
5.3.160.0070.07714.59
5.3.150.0030.05314.57
5.3.140.0100.06714.44
5.3.130.0100.03714.45
5.3.120.0100.07014.55
5.3.110.0070.03714.69
5.3.100.0030.04714.12
5.3.90.0030.04014.07
5.3.80.0070.05014.01
5.3.70.0030.04014.09
5.3.60.0070.05014.09
5.3.50.0100.06013.88
5.3.40.0030.04013.95
5.3.30.0030.05013.96
5.3.20.0130.06713.75
5.3.10.0070.06713.81
5.3.00.0170.03013.52
5.2.170.0000.07011.12
5.2.160.0030.06311.08
5.2.150.0030.04011.16
5.2.140.0030.06011.22
5.2.130.0100.06011.07
5.2.120.0070.06311.16
5.2.110.0070.04011.25
5.2.100.0000.03711.14
5.2.90.0070.04711.29
5.2.80.0070.03311.06
5.2.70.0100.02711.07
5.2.60.0030.03311.10
5.2.50.0130.05011.18
5.2.40.0070.04310.98
5.2.30.0030.04011.00
5.2.20.0030.03010.96
5.2.10.0000.03310.82
5.2.00.0070.06310.87
5.1.60.0000.0409.97
5.1.50.0070.0509.97
5.1.40.0070.0439.89
5.1.30.0000.03010.36
5.1.20.0000.03710.41
5.1.10.0000.0539.98
5.1.00.0000.05010.13
5.0.50.0000.0378.59
5.0.40.0000.0278.37
5.0.30.0030.0638.25
5.0.20.0000.0238.20
5.0.10.0100.0378.25
5.0.00.0000.0338.14
4.4.90.0000.0178.10
4.4.80.0000.0178.10
4.4.70.0070.0308.10
4.4.60.0070.0208.10
4.4.50.0000.0178.10
4.4.40.0030.0278.10
4.4.30.0070.0178.10
4.4.20.0030.0178.10
4.4.10.0030.0338.10
4.4.00.0000.0308.10
4.3.110.0030.0208.10
4.3.100.0030.0138.10
4.3.90.0030.0178.10
4.3.80.0000.0308.10
4.3.70.0030.0378.10
4.3.60.0030.0338.10
4.3.50.0030.0278.10
4.3.40.0030.0338.10
4.3.30.0000.0238.10
4.3.20.0070.0138.10
4.3.10.0000.0378.10
4.3.00.0000.0378.10

preferences:
45.51 ms | 401 KiB | 5 Q