3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo {} class Bar implements Foo {} $bar = new Bar(); var_dump(is_subclass_of($bar, 'Foo'));

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)
8.3.60.0150.00316.50
8.3.50.0120.00816.58
8.3.40.0100.00718.84
8.3.30.0110.00418.59
8.3.20.0000.00718.66
8.3.10.0030.00520.23
8.3.00.0040.00419.25
8.2.180.0030.01718.54
8.2.170.0150.00322.96
8.2.160.0080.00621.22
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00419.14
8.2.110.0040.00719.17
8.2.100.0080.00317.84
8.2.90.0040.00419.25
8.2.80.0050.00219.15
8.2.70.0070.00417.38
8.2.60.0050.00318.03
8.2.50.0000.00918.07
8.2.40.0040.00418.34
8.2.30.0080.00317.96
8.2.20.0050.00217.70
8.2.10.0080.00017.61
8.2.00.0050.00217.66
8.1.280.0110.00425.92
8.1.270.0000.00724.66
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00422.06
8.1.230.0000.01020.89
8.1.220.0000.00818.56
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0040.00417.41
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0040.00418.88
8.1.150.0040.00418.60
8.1.140.0040.00417.49
8.1.130.0070.00017.74
8.1.120.0050.00217.40
8.1.110.0080.00017.37
8.1.100.0070.00017.48
8.1.90.0030.00317.36
8.1.80.0050.00217.48
8.1.70.0000.00717.48
8.1.60.0050.00217.56
8.1.50.0030.00617.43
8.1.40.0080.00017.40
8.1.30.0050.00217.54
8.1.20.0040.00417.71
8.1.10.0000.00717.45
8.1.00.0030.00617.41
8.0.300.0000.00719.98
8.0.290.0040.00416.58
8.0.280.0030.00318.31
8.0.270.0040.00417.25
8.0.260.0000.00718.34
8.0.250.0060.00316.94
8.0.240.0060.00316.95
8.0.230.0000.00716.94
8.0.220.0000.00716.90
8.0.210.0050.00316.93
8.0.200.0000.00616.79
8.0.190.0000.00716.91
8.0.180.0040.00416.80
8.0.170.0070.00316.81
8.0.160.0040.00416.78
8.0.150.0040.00416.72
8.0.140.0040.00316.74
8.0.130.0060.00013.35
8.0.120.0000.00716.81
8.0.110.0050.00216.98
8.0.100.0000.00816.67
8.0.90.0030.00616.67
8.0.80.0030.01216.86
8.0.70.0040.00416.75
8.0.60.0040.00416.67
8.0.50.0000.00716.96
8.0.30.0100.00917.08
8.0.20.0120.00617.30
8.0.10.0030.00616.95
8.0.00.0100.00716.82
7.4.330.0030.00313.00
7.4.320.0070.00016.59
7.4.300.0030.00316.57
7.4.290.0030.00316.64
7.4.280.0030.00616.47
7.4.270.0030.00316.49
7.4.260.0030.00313.25
7.4.250.0050.00316.55
7.4.240.0050.00216.55
7.4.230.0050.00216.71
7.4.220.0090.00916.49
7.4.210.0090.00816.65
7.4.200.0030.00316.44
7.4.190.0000.00816.40
7.4.160.0090.00616.48
7.4.150.0060.01216.44
7.4.140.0090.00916.55
7.4.130.0080.00916.46
7.4.120.0060.01116.54
7.4.110.0070.01016.56
7.4.100.0060.01016.52
7.4.90.0120.00616.52
7.4.80.0110.00619.39
7.4.70.0040.01216.51
7.4.60.0130.00316.38
7.4.50.0000.00716.50
7.4.40.0100.00716.54
7.4.30.0110.00816.43
7.4.00.0060.00314.79
7.3.330.0030.00313.28
7.3.320.0030.00313.24
7.3.310.0030.00316.16
7.3.300.0030.00316.23
7.3.290.0100.00316.08
7.3.280.0060.00916.15
7.3.270.0080.01116.29
7.3.260.0090.00916.30
7.3.250.0160.00316.34
7.3.240.0080.00816.36
7.3.230.0100.00716.16
7.3.210.0030.01316.33
7.3.200.0100.00616.20
7.3.190.0120.01216.17
7.3.180.0090.00616.40
7.3.170.0080.00816.32
7.3.160.0130.00316.41
7.3.120.0030.01314.54
7.2.330.0100.00716.57
7.2.320.0130.01216.58
7.2.310.0030.01416.72
7.2.300.0080.00816.70
7.2.290.0060.00916.59
7.1.100.0060.00318.23
7.1.70.0080.00816.94
7.1.60.0100.01319.40
7.1.50.0110.00016.80
7.1.00.0000.03722.32
7.0.200.0030.00716.70
7.0.140.0030.07322.21
7.0.120.0030.06322.13
7.0.60.0330.06719.82
7.0.50.0070.08317.72
7.0.40.0200.05020.15
7.0.30.0130.06020.17
7.0.20.0200.07720.04
7.0.10.0300.05320.23
7.0.00.0170.05720.10
5.6.280.0000.07720.81
5.6.210.0100.08020.47
5.6.200.0070.04718.18
5.6.190.0170.05320.33
5.6.180.0170.08720.64
5.6.170.0300.06720.33
5.6.160.0200.04320.47
5.6.150.0270.07320.32
5.6.140.0270.05020.23
5.6.130.0330.07720.41
5.6.120.0330.05720.17
5.6.110.0230.07720.39
5.6.100.0230.03720.43
5.6.90.0100.05020.30
5.6.80.0200.04719.81
5.6.70.0200.03319.78
5.6.60.0100.04319.89
5.6.50.0170.04019.91
5.6.40.0100.04019.69
5.6.30.0130.04019.88
5.6.20.0130.04319.80
5.6.10.0230.03719.70
5.6.00.0200.03319.52
5.5.350.3970.04320.42
5.5.340.0070.06318.07
5.5.330.0130.05720.38
5.5.320.0300.04320.28
5.5.310.0270.07020.15
5.5.300.0130.06320.30
5.5.290.0370.06720.14
5.5.280.0270.06320.04
5.5.270.0230.05720.03
5.5.260.0170.04020.19
5.5.250.0170.03719.78
5.5.240.0170.05719.71
5.5.230.0200.03319.54
5.5.220.0200.03319.58
5.5.210.0130.04319.34
5.5.200.0070.04319.56
5.5.190.0070.04319.55
5.5.180.0130.04019.34
5.5.160.0070.04319.55
5.5.150.0270.03719.68
5.5.140.0170.04319.34
5.5.130.0200.03319.46
5.5.120.0170.03319.67
5.5.110.0100.04319.32
5.5.100.0170.03719.46
5.5.90.0200.03319.24
5.5.80.0130.03719.24
5.5.70.0100.05019.46
5.5.60.0070.05019.53
5.5.50.0230.07319.54
5.5.40.0230.03719.46
5.5.30.0370.05019.46
5.5.20.0130.06019.43
5.5.10.0270.06719.49
5.5.00.0230.06019.47
5.4.450.0270.05719.34
5.4.440.0100.07019.47
5.4.430.0200.04319.30
5.4.420.0170.04019.57
5.4.410.0170.03719.20
5.4.400.0130.04319.26
5.4.390.0100.04318.92
5.4.380.0200.03319.21
5.4.370.0170.03319.21
5.4.360.0270.03019.17
5.4.350.0130.04018.86
5.4.340.0100.04319.19
5.4.320.0130.04018.98
5.4.310.0170.03719.15
5.4.300.0270.03019.25
5.4.290.0170.03719.14
5.4.280.0170.04019.16
5.4.270.0200.03019.21
5.4.260.0170.03318.85
5.4.250.0130.04019.00
5.4.240.0200.03319.00
5.4.230.0130.03718.92
5.4.220.0230.03319.24
5.4.210.0100.03718.97
5.4.200.0130.03719.15
5.4.190.0170.05019.14
5.4.180.0270.06019.14
5.4.170.0200.05719.18
5.4.160.0270.06718.98
5.4.150.0270.04719.13
5.4.140.0230.05716.38
5.4.130.0130.04016.35
5.4.120.0230.07316.49
5.4.110.0300.06016.41
5.4.100.0330.06316.48
5.4.90.0270.04016.50
5.4.80.0370.07016.38
5.4.70.0230.07016.38
5.4.60.0230.07316.43
5.4.50.0230.06716.25
5.4.40.0270.05316.40
5.4.30.0270.03316.61
5.4.20.0200.07016.42
5.4.10.0330.06016.46
5.4.00.0170.04015.87
5.3.290.0170.03714.73
5.3.280.0200.04314.61
5.3.270.0170.05714.64
5.3.260.0200.05714.63
5.3.250.0270.06714.59
5.3.240.0230.06014.76
5.3.230.0200.08014.59
5.3.220.0230.05014.71
5.3.210.0300.03714.57
5.3.200.0230.05314.55
5.3.190.0270.05014.61
5.3.180.0270.07314.60
5.3.170.0270.06714.57
5.3.160.0300.06714.54
5.3.150.0200.07714.56
5.3.140.0130.04714.70
5.3.130.0200.05014.53
5.3.120.0130.05314.54
5.3.110.0270.05714.56
5.3.100.0500.02314.04
5.3.90.0330.06314.04
5.3.80.0270.06014.09
5.3.70.0200.07013.96
5.3.60.0270.05014.16
5.3.50.0300.06013.96
5.3.40.0130.04314.10
5.3.30.0270.06013.89
5.3.20.0100.04313.76
5.3.10.0200.06013.71
5.3.00.0270.03713.66
5.2.170.0170.06312.83
5.2.160.0170.04012.83
5.2.150.0130.03712.83
5.2.140.0270.06012.83
5.2.130.0200.05712.83
5.2.120.0200.05012.83
5.2.110.0170.03712.83
5.2.100.0200.03712.83
5.2.90.0200.03712.83
5.2.80.0270.04712.83
5.2.70.0230.04312.83
5.2.60.0130.05312.83
5.2.50.0230.05312.83
5.2.40.0130.05312.83
5.2.30.0070.04712.83
5.2.20.0070.05712.83
5.2.10.0130.05012.83
5.2.00.0130.06012.83
5.1.60.0170.04012.83
5.1.50.0200.04712.83
5.1.40.0230.04312.83
5.1.30.0100.05712.83
5.1.20.0170.05712.83
5.1.10.0170.04712.83
5.1.00.0170.04712.83
5.0.50.0130.04312.83
5.0.40.0070.04012.83
5.0.30.0070.06712.83
5.0.20.0070.04712.83
5.0.10.0070.03712.83
5.0.00.0170.04312.83
4.4.90.0130.02312.83
4.4.80.0070.02312.83
4.4.70.0070.03312.83
4.4.60.0070.03712.83
4.4.50.0030.03012.83
4.4.40.0070.04712.83
4.4.30.0070.03312.83
4.4.20.0070.03712.83
4.4.10.0100.03312.83
4.4.00.0130.04712.83
4.3.110.0100.03312.83
4.3.100.0070.02712.83
4.3.90.0000.04012.83
4.3.80.0100.02012.83
4.3.70.0100.01012.83
4.3.60.0100.01012.83
4.3.50.0070.03312.83
4.3.40.0070.04712.83
4.3.30.0070.03012.83
4.3.20.0100.03012.83
4.3.10.0100.03012.83
4.3.00.0070.03012.83

preferences:
38.64 ms | 400 KiB | 5 Q