3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface MyInterface { } class BaseClass implements MyInterface{ } class MyClass extends BaseClass{ } $object = new MyClass(); echo @is_subclass_of('BaseClass', 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of('MyClass', 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of('MyClass', 'MyInterface')? "Yes\n":"No\n"; echo @is_subclass_of('myclass', 'baseclass')? "Yes\n":"No\n"; echo @is_subclass_of('myClass', 'baseclass', false)? "Yes\n":"No\n"; echo @is_subclass_of($object, 'baseclass', false)? "Yes\n":"No\n"; echo @is_subclass_of($object, 'BaseClass')? "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)
8.3.60.0140.00718.14
8.3.50.0190.00922.05
8.3.40.0040.01118.47
8.3.30.0070.00719.01
8.3.20.0040.00420.21
8.3.10.0000.00823.66
8.3.00.0040.00419.23
8.2.180.0130.00616.38
8.2.170.0120.00322.96
8.2.160.0070.00720.51
8.2.150.0050.00524.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0030.00519.23
8.2.110.0040.00422.09
8.2.100.0110.00017.91
8.2.90.0000.00919.22
8.2.80.0030.00517.97
8.2.70.0040.00417.25
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00419.91
8.2.30.0040.00418.32
8.2.20.0040.00417.63
8.2.10.0000.00718.18
8.2.00.0030.00617.60
8.1.280.0090.00925.92
8.1.270.0060.00323.64
8.1.260.0080.00026.35
8.1.250.0070.00428.09
8.1.240.0030.00623.96
8.1.230.0110.00019.05
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00717.23
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0040.00422.05
8.1.150.0000.00718.66
8.1.140.0030.00617.49
8.1.130.0000.00817.80
8.1.120.0040.00417.47
8.1.110.0030.00617.37
8.1.100.0000.00817.39
8.1.90.0070.00017.46
8.1.80.0000.00717.47
8.1.70.0000.00717.38
8.1.60.0030.00617.63
8.1.50.0000.00817.41
8.1.40.0060.00317.36
8.1.30.0030.00517.51
8.1.20.0040.00417.59
8.1.10.0050.00217.62
8.1.00.0000.00717.57
8.0.300.0050.00318.77
8.0.290.0040.00416.60
8.0.280.0000.00718.34
8.0.270.0030.00317.15
8.0.260.0000.00717.15
8.0.250.0030.00316.91
8.0.240.0030.00316.94
8.0.230.0080.00016.96
8.0.220.0040.00416.95
8.0.210.0030.00316.80
8.0.200.0040.00416.96
8.0.190.0030.00517.00
8.0.180.0000.00716.83
8.0.170.0070.00016.95
8.0.160.0000.00716.92
8.0.150.0030.00316.86
8.0.140.0030.00716.89
8.0.130.0000.00613.34
8.0.120.0040.00416.86
8.0.110.0070.00016.88
8.0.100.0040.00416.77
8.0.90.0060.00316.79
8.0.80.0070.01016.84
8.0.70.0070.00016.91
8.0.60.0000.00716.94
8.0.50.0040.00416.88
8.0.30.0100.00817.24
8.0.20.0120.00917.40
8.0.10.0000.00717.06
8.0.00.0120.00516.70
7.4.330.0020.00215.10
7.4.320.0070.00016.54
7.4.300.0060.00016.51
7.4.290.0030.00316.51
7.4.280.0040.00416.52
7.4.270.0040.00416.64
7.4.260.0000.00916.64
7.4.250.0040.00416.63
7.4.240.0050.00216.61
7.4.230.0030.00316.62
7.4.220.0100.00916.46
7.4.210.0060.00916.47
7.4.200.0000.00716.64
7.4.160.0060.01016.65
7.4.150.0140.00417.40
7.4.140.0140.00517.86
7.4.130.0080.00916.38
7.4.120.0110.00716.53
7.4.110.0080.00816.57
7.4.100.0110.00716.50
7.4.90.0090.01216.51
7.4.80.0060.01519.39
7.4.70.0030.01416.53
7.4.60.0130.00616.45
7.4.50.0080.00016.50
7.4.40.0080.00816.46
7.4.30.0060.00916.41
7.4.00.0060.00915.06
7.3.330.0000.00513.09
7.3.320.0050.00013.27
7.3.310.0050.00316.12
7.3.300.0060.00016.13
7.3.290.0120.00316.23
7.3.280.0060.01316.26
7.3.270.0110.00617.40
7.3.260.0030.01416.27
7.3.250.0080.00916.46
7.3.240.0090.00916.30
7.3.230.0030.01316.50
7.3.210.0090.00916.59
7.3.200.0060.01019.39
7.3.190.0100.00716.23
7.3.180.0090.00616.48
7.3.170.0060.00916.37
7.3.160.0040.01216.58
7.3.120.0040.01314.71
7.3.110.0030.01414.83
7.3.100.0120.00315.05
7.3.90.0030.01414.83
7.3.80.0040.01114.73
7.3.70.0070.00714.71
7.3.60.0000.01414.63
7.3.50.0030.01314.43
7.3.40.0100.00714.55
7.3.30.0030.01014.74
7.3.20.0070.00316.36
7.3.10.0100.00516.26
7.3.00.0080.00816.55
7.2.330.0160.00516.45
7.2.320.0090.00916.39
7.2.310.0040.01216.74
7.2.300.0080.00816.49
7.2.290.0100.00716.43
7.2.250.0030.01414.98
7.2.240.0120.00615.05
7.2.230.0100.00414.97
7.2.220.0000.01615.13
7.2.210.0030.01214.92
7.2.200.0060.00615.02
7.2.190.0000.01115.12
7.2.180.0100.00314.99
7.2.170.0040.00815.15
7.2.130.0210.01216.27
7.2.120.0100.01016.42
7.2.110.0060.01316.36
7.2.100.0030.00916.26
7.2.90.0070.00716.21
7.2.80.0140.00916.46
7.2.70.0050.00916.15
7.2.60.0050.00816.49
7.2.50.0050.00516.29
7.2.40.0110.00316.71
7.2.30.0090.00316.59
7.2.20.0070.00716.43
7.2.10.0100.00316.46
7.2.00.0090.00316.73
7.1.330.0120.00315.64
7.1.320.0090.00015.70
7.1.310.0060.00915.88
7.1.300.0030.01015.75
7.1.290.0090.00615.85
7.1.280.0050.00515.66
7.1.270.0070.00415.68
7.1.260.0060.00615.57
7.1.250.0060.00615.45
7.1.200.0090.00615.82
7.1.70.0040.00417.18
7.1.60.0040.00717.12
7.1.50.0100.01016.89
7.1.00.0000.08022.38
7.0.200.0030.00516.63
7.0.140.0070.07321.93
7.0.80.0070.09020.16
7.0.70.0170.06719.99
7.0.60.0030.05319.97
7.0.50.0100.08020.28
7.0.40.0030.07720.04
7.0.30.0170.07320.15
7.0.20.0170.07020.07
7.0.10.0070.08720.10
7.0.00.0000.08020.10
5.6.280.0030.07321.07
5.6.230.0030.07020.67
5.6.220.0100.08720.65
5.6.210.0000.09320.68
5.6.200.0130.05720.97
5.6.190.0200.07721.08
5.6.180.0100.07321.14
5.6.170.0070.08321.09
5.6.160.0070.07721.12
5.6.150.0070.08021.00
5.6.140.0130.04721.12
5.6.130.0030.08721.04
5.6.120.0200.08321.14
5.6.110.0170.07321.00
5.6.100.0100.07321.17
5.6.90.0130.08721.00
5.6.80.0000.08020.35
5.6.70.0130.07020.49
5.6.60.0030.05720.54
5.6.50.0030.07720.44
5.6.40.0070.07720.30
5.6.30.0000.09020.50
5.6.20.0000.09020.40
5.6.10.0070.07320.31
5.6.00.0070.08020.39
5.5.370.0070.08320.43
5.5.360.0130.07320.51
5.5.350.0100.07720.43
5.5.340.0100.07720.81
5.5.330.0130.06320.74
5.5.320.0030.08720.78
5.5.310.0100.07020.78
5.5.300.0070.04720.91
5.5.290.0100.08320.92
5.5.280.0100.08320.88
5.5.270.0070.07320.64
5.5.260.0070.07020.72
5.5.250.0070.08720.70
5.5.240.0030.08020.19
5.5.230.0200.06720.14
5.5.220.0200.07320.11
5.5.210.0170.07020.30
5.5.200.0000.09020.29
5.5.190.0070.05020.21
5.5.180.0130.08020.15
5.5.160.0070.07020.22
5.5.150.0100.05720.08
5.5.140.0100.08020.21
5.5.130.0070.08020.13
5.5.120.0070.05720.13
5.5.110.0130.06720.15
5.5.100.0130.08020.17
5.5.90.0070.06319.95
5.5.80.0130.07020.07
5.5.70.0030.06020.06
5.5.60.0100.05320.09
5.5.50.0100.05020.05
5.5.40.0100.07019.93
5.5.30.0100.04020.14
5.5.20.0130.07020.09
5.5.10.0000.04720.09
5.5.00.0100.07020.02
5.4.450.0130.07319.34
5.4.440.0070.08019.36
5.4.430.0070.07719.53
5.4.420.0030.08319.48
5.4.410.0100.07319.32
5.4.400.0070.05719.13
5.4.390.0100.07719.20
5.4.380.0030.08019.13
5.4.370.0170.06719.18
5.4.360.0130.07319.09
5.4.350.0070.07718.85
5.4.340.0100.07019.04
5.4.320.0070.07719.04
5.4.310.0030.08019.12
5.4.300.0100.07018.84
5.4.290.0100.07019.12
5.4.280.0100.07019.15
5.4.270.0100.03719.08
5.4.260.0170.07019.16
5.4.250.0070.04719.13
5.4.240.0030.07718.89
5.4.230.0100.03719.22
5.4.220.0100.06719.18
5.4.210.0030.08018.84
5.4.200.0070.06719.20
5.4.190.0030.07019.20
5.4.180.0070.06719.13
5.4.170.0070.08018.86
5.4.160.0100.06719.03
5.4.150.0130.07019.04
5.4.140.0070.08016.46
5.4.130.0070.07016.24
5.4.120.0200.05016.54
5.4.110.0070.04316.53
5.4.100.0170.06316.33
5.4.90.0070.07016.54
5.4.80.0070.08016.54
5.4.70.0070.06716.43
5.4.60.0070.05016.32
5.4.50.0070.07316.47
5.4.40.0100.06016.50
5.4.30.0100.06716.33
5.4.20.0030.07716.29
5.4.10.0130.06716.24
5.4.00.0170.06015.86
5.3.290.0100.08014.68
5.3.280.0070.06714.63
5.3.270.0030.04314.68
5.3.260.0030.07314.75
5.3.250.0030.06014.67
5.3.240.0030.07714.55
5.3.230.0100.04014.53
5.3.220.0100.07014.70
5.3.210.0070.07314.50
5.3.200.0170.06714.67
5.3.190.0270.06014.50
5.3.180.0170.04714.68
5.3.170.0100.04314.52
5.3.160.0030.08314.71
5.3.150.0070.07714.68
5.3.140.0030.09014.50
5.3.130.0070.07714.66
5.3.120.0070.07714.59
5.3.110.0070.07014.58
5.3.100.0030.07714.09
5.3.90.0100.06714.09
5.3.80.0130.06014.09
5.3.70.0100.05714.13
5.3.60.0070.07714.01
5.3.50.0100.04713.89
5.3.40.0100.03714.02
5.3.30.0030.06313.96
5.3.20.0030.05013.76
5.3.10.0130.05713.68
5.3.00.0070.07713.57
5.2.170.0030.04311.93
5.2.160.0070.06311.93
5.2.150.0170.05011.93
5.2.140.0100.05711.93
5.2.130.0100.05711.93
5.2.120.0030.05711.93
5.2.110.0070.05711.93
5.2.100.0100.05711.93
5.2.90.0100.05311.93
5.2.80.0100.06011.93
5.2.70.0130.05711.93
5.2.60.0030.06311.93
5.2.50.0070.03711.93
5.2.40.0030.06711.93
5.2.30.0100.04711.93
5.2.20.0030.05711.93
5.2.10.0070.05011.93
5.2.00.0070.05711.93
5.1.60.0070.03311.93
5.1.50.0030.06011.93
5.1.40.0030.04011.93
5.1.30.0030.05711.93
5.1.20.0030.04711.93
5.1.10.0030.05311.93
5.1.00.0000.06011.93
5.0.50.0000.04711.93
5.0.40.0100.04011.93
5.0.30.0030.04711.93
5.0.20.0030.03311.93
5.0.10.0070.04011.93
5.0.00.0100.06011.93
4.4.90.0070.03311.93
4.4.80.0100.02011.93
4.4.70.0000.04011.93
4.4.60.0130.02711.93
4.4.50.0030.03711.93
4.4.40.0030.04711.93
4.4.30.0030.03011.93
4.4.20.0000.04011.93
4.4.10.0070.03011.93
4.4.00.0000.05311.93
4.3.110.0030.02311.93
4.3.100.0000.03311.93
4.3.90.0000.03711.93
4.3.80.0000.04711.93
4.3.70.0000.02711.93
4.3.60.0030.02711.93
4.3.50.0030.02311.93
4.3.40.0030.04711.93
4.3.30.0070.02711.93
4.3.20.0000.03311.93
4.3.10.0000.02311.93
4.3.00.0030.03311.93

preferences:
47.28 ms | 401 KiB | 5 Q