3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface MyInterface {} class MyClass implements MyInterface {} // This will fail on 5.3.8 and earlier, this has been fixed // in #53727, but doc does not reflect that. echo (is_subclass_of('MyClass', 'MyInterface') ? 'true' : 'false');

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)
8.3.60.0130.00318.35
8.3.50.0070.01017.28
8.3.40.0040.01518.55
8.3.30.0140.00718.71
8.3.20.0000.00818.57
8.3.10.0070.00418.42
8.3.00.0080.00818.97
8.2.180.0000.01516.32
8.2.170.0110.00422.96
8.2.160.0120.00418.79
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00420.66
8.2.110.0060.00319.27
8.2.100.0000.01217.66
8.2.90.0030.00617.50
8.2.80.0000.00917.97
8.2.70.0080.00017.91
8.2.60.0050.00217.92
8.2.50.0080.00019.53
8.2.40.0080.00020.59
8.2.30.0040.00417.49
8.2.20.0090.00017.55
8.2.10.0030.00517.61
8.2.00.0030.00717.66
8.1.280.0070.01025.92
8.1.270.0090.00023.99
8.1.260.0060.00626.35
8.1.250.0130.00328.09
8.1.240.0030.00623.81
8.1.230.0040.00817.70
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0000.00817.00
8.1.180.0050.00318.10
8.1.170.0100.00018.61
8.1.160.0070.00018.85
8.1.150.0000.00718.56
8.1.140.0070.00017.29
8.1.130.0000.00717.44
8.1.120.0050.00217.31
8.1.110.0040.00417.36
8.1.100.0040.00417.39
8.1.90.0000.00717.40
8.1.80.0070.00017.28
8.1.70.0030.00317.28
8.1.60.0030.00617.42
8.1.50.0040.00417.39
8.1.40.0000.00817.48
8.1.30.0000.00917.63
8.1.20.0050.00217.54
8.1.10.0000.00717.52
8.1.00.0030.00617.27
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0000.00718.41
8.0.270.0030.00317.23
8.0.260.0060.00016.66
8.0.250.0030.00616.82
8.0.240.0040.00416.84
8.0.230.0000.00716.91
8.0.220.0000.00716.78
8.0.210.0030.00316.70
8.0.200.0060.00016.92
8.0.190.0050.00316.77
8.0.180.0030.00616.80
8.0.170.0040.00416.71
8.0.160.0050.00216.79
8.0.150.0000.00816.69
8.0.140.0020.00516.75
8.0.130.0000.00713.21
8.0.120.0000.00816.68
8.0.110.0040.00416.61
8.0.100.0040.00416.83
8.0.90.0040.00416.84
8.0.80.0090.00616.71
8.0.70.0070.00016.93
8.0.60.0030.00516.63
8.0.50.0030.00616.69
8.0.30.0060.01117.04
8.0.20.0080.01116.78
8.0.10.0030.00616.93
8.0.00.0060.01116.51
7.4.330.0050.00012.90
7.4.320.0050.00316.29
7.4.300.0040.00416.50
7.4.290.0000.00716.45
7.4.280.0000.00716.54
7.4.270.0000.00716.33
7.4.260.0030.00313.26
7.4.250.0040.00416.34
7.4.240.0000.00716.53
7.4.230.0000.01016.52
7.4.220.0070.01416.34
7.4.210.0000.01516.48
7.4.200.0000.00816.64
7.4.190.0040.00416.60
7.4.160.0090.01316.38
7.4.150.0090.01216.28
7.4.140.0030.01316.41
7.4.130.0070.01016.45
7.4.120.0030.01616.41
7.4.110.0180.00316.34
7.4.100.0120.00616.48
7.4.90.0040.01316.58
7.4.80.0060.01219.39
7.4.70.0060.01016.40
7.4.60.0090.00616.33
7.4.50.0060.00016.46
7.4.40.0060.00716.28
7.4.30.0030.01616.32
7.4.00.0070.00714.72
7.3.330.0070.00013.09
7.3.320.0030.00313.09
7.3.310.0030.00316.06
7.3.300.0000.00716.11
7.3.290.0080.00816.14
7.3.280.0110.00716.14
7.3.270.0030.01316.10
7.3.260.0150.00616.49
7.3.250.0100.00816.22
7.3.240.0130.00316.39
7.3.230.0070.01616.27
7.3.210.0140.00316.38
7.3.200.0080.00816.15
7.3.190.0080.00816.34
7.3.180.0090.00616.36
7.3.170.0090.00716.20
7.3.160.0140.00716.16
7.3.120.0050.00814.75
7.3.110.0070.01014.66
7.3.100.0040.01214.83
7.3.90.0030.00914.48
7.3.80.0100.00314.53
7.3.70.0080.00814.75
7.3.60.0030.01014.79
7.3.50.0000.01114.44
7.3.40.0070.00714.74
7.3.30.0060.00814.80
7.3.20.0050.00516.52
7.3.10.0070.01016.66
7.3.00.0070.00816.46
7.2.330.0060.01216.61
7.2.320.0060.01716.60
7.2.310.0060.01216.26
7.2.300.0100.00716.35
7.2.290.0070.01016.41
7.2.250.0120.00615.03
7.2.240.0100.01014.73
7.2.230.0000.01414.79
7.2.220.0050.00514.94
7.2.210.0030.00915.01
7.2.200.0030.01314.89
7.2.190.0040.00714.86
7.2.180.0000.01314.79
7.2.170.0060.00614.85
7.2.130.0060.00616.84
7.2.120.0030.01016.74
7.2.110.0060.00616.73
7.2.100.0030.00716.75
7.2.90.0000.01116.74
7.2.80.0040.00716.46
7.2.70.0110.00316.78
7.2.60.0080.00316.75
7.2.50.0070.00416.80
7.2.40.0140.00316.70
7.2.30.0040.00816.97
7.2.20.0120.00016.72
7.2.10.0060.00316.91
7.2.00.0040.00816.57
7.1.330.0030.01315.64
7.1.320.0090.00615.61
7.1.310.0030.00715.76
7.1.300.0040.01115.58
7.1.290.0060.01015.55
7.1.280.0100.00315.58
7.1.270.0040.01115.72
7.1.260.0040.00715.74
7.1.250.0100.00015.56
7.1.240.0090.00315.29
7.1.230.0030.01015.60
7.1.220.0040.00815.41
7.1.210.0070.00715.72
7.1.200.0040.00415.34
7.1.190.0040.01115.46
7.1.180.0000.00815.49
7.1.170.0030.00615.66
7.1.160.0030.00715.61
7.1.150.0100.00015.40
7.1.140.0070.00415.60
7.1.130.0120.00015.42
7.1.120.0120.00015.36
7.1.110.0070.00415.62
7.1.100.0040.00415.68
7.1.90.0080.00315.34
7.1.80.0060.00615.75
7.1.70.0050.01016.17
7.1.60.0070.00817.47
7.1.50.0110.00516.00
7.1.40.0060.00615.59
7.1.30.0040.00715.67
7.1.20.0070.00615.41
7.1.10.0060.00615.34
7.1.00.0070.03218.89
7.0.330.0070.00715.20
7.0.320.0080.00415.13
7.0.310.0000.00915.05
7.0.300.0000.01115.28
7.0.290.0050.00514.97
7.0.280.0070.00315.29
7.0.270.0030.00715.26
7.0.260.0040.01115.09
7.0.250.0030.00615.05
7.0.240.0090.00015.37
7.0.230.0000.01114.94
7.0.220.0000.00915.36
7.0.210.0070.00715.33
7.0.200.0030.00515.62
7.0.190.0000.00815.25
7.0.180.0060.00315.27
7.0.170.0030.00815.48
7.0.160.0050.00515.25
7.0.150.0060.00615.03
7.0.140.0040.03418.61
7.0.130.0000.01215.29
7.0.120.0080.03518.64
7.0.110.0040.00715.24
7.0.100.0030.00615.21
7.0.90.0030.00615.23
7.0.80.0060.00615.25
7.0.70.0030.00615.34
7.0.60.0120.04217.59
7.0.50.0030.02416.64
7.0.40.0030.02816.86
7.0.30.0060.02816.71
7.0.20.0170.03916.73
7.0.10.0110.04016.74
7.0.00.0030.04016.61
5.6.380.0030.00913.69
5.6.370.0080.00514.10
5.6.360.0040.00714.07
5.6.350.0040.00914.20
5.6.340.0030.01114.13
5.6.330.0110.00414.46
5.6.320.0040.00714.26
5.6.310.0000.01414.59
5.6.300.0070.00314.29
5.6.290.0070.00314.00
5.6.280.0030.04017.66
5.6.270.0000.01014.10
5.6.260.0110.00014.09
5.6.250.0070.00414.25
5.6.240.0040.00814.37
5.6.230.0070.00314.13
5.6.220.0100.00013.91
5.6.210.0080.03917.47
5.6.200.0030.04516.17
5.6.190.0050.03217.53
5.6.180.0120.02717.41
5.6.170.0230.03317.24
5.6.160.0030.03617.34
5.6.150.0030.02716.07
5.6.140.0080.02716.21
5.6.130.0020.04016.09
5.6.120.0080.04217.64
5.6.110.0030.04717.58
5.6.100.0030.02417.60
5.6.90.0100.04317.64
5.6.80.0070.02717.25
5.6.70.0040.00814.09
5.6.60.0080.00314.18
5.6.50.0000.01314.12
5.6.40.0060.00914.00
5.6.30.0090.00013.88
5.6.20.0040.00413.83
5.6.10.0060.00614.00
5.6.00.0100.00313.77
5.5.380.0070.00010.90
5.5.370.0000.00810.90
5.5.360.0030.00711.08
5.5.350.0030.02515.79
5.5.340.0070.04514.57
5.5.330.0100.02315.75
5.5.320.0230.03615.62
5.5.310.0180.04015.65
5.5.300.0100.03714.47
5.5.290.0020.03514.42
5.5.280.0070.02515.91
5.5.270.0090.02515.78
5.5.260.0070.03715.83
5.5.250.0110.02115.74
5.5.240.0080.04015.61
5.5.230.0090.00010.99
5.5.220.0000.01010.90
5.5.210.0040.00810.90
5.5.200.0060.00610.94
5.5.190.0050.00210.96
5.5.180.0080.00310.90
5.5.170.0000.01110.90
5.5.160.0030.00611.18
5.5.150.0000.00811.18
5.5.140.0060.00311.14
5.5.130.0030.00310.90
5.5.120.0040.00211.00
5.5.110.0040.00711.04
5.5.100.0100.00010.90
5.5.90.0060.00310.90
5.5.80.0110.00010.90
5.5.70.0040.00410.90
5.5.60.0040.00410.98
5.5.50.0000.00610.90
5.5.40.0030.00311.16
5.5.30.0000.01010.90
5.5.20.0040.00411.03
5.5.10.0060.00611.02
5.5.00.0040.00410.90
5.4.450.0060.04315.04
5.4.440.0100.02015.22
5.4.430.0030.02215.21
5.4.420.0050.02515.20
5.4.410.0090.03315.29
5.4.400.0070.01815.06
5.4.390.0040.02214.87
5.4.380.0050.03514.88
5.4.370.0050.02015.07
5.4.360.0030.03315.07
5.4.350.0090.03714.99
5.4.340.0050.02614.88
5.4.330.0060.00310.90
5.4.320.0080.02514.99
5.4.310.0050.03814.87
5.4.300.0100.03514.87
5.4.290.0040.04215.02
5.4.280.0030.04214.87
5.4.270.0030.02615.05
5.4.260.0080.03814.88
5.4.250.0060.02014.94
5.4.240.0090.03914.88
5.4.230.0020.02515.05
5.4.220.0050.02715.00
5.4.210.0080.03014.87
5.4.200.0050.03315.02
5.4.190.0070.04014.99
5.4.180.0030.03015.02
5.4.170.0030.04115.02
5.4.160.0100.02715.01
5.4.150.0080.03015.06
5.4.140.0020.02813.64
5.4.130.0040.04113.65
5.4.120.0050.04013.60
5.4.110.0030.03213.69
5.4.100.0070.03913.71
5.4.90.0050.02813.65
5.4.80.0050.03013.63
5.4.70.0050.04013.67
5.4.60.0020.04413.68
5.4.50.0030.03813.70
5.4.40.0060.03713.67
5.4.30.0070.02213.63
5.4.20.0050.04013.57
5.4.10.0020.02513.60
5.4.00.0020.02513.38
5.3.290.0030.03712.79
5.3.280.0070.03712.78
5.3.270.0020.02812.76
5.3.260.0020.02612.82
5.3.250.0040.02712.71
5.3.240.0080.01812.75
5.3.230.0090.03812.77
5.3.220.0080.03612.76
5.3.210.0050.04012.80
5.3.200.0000.04512.77
5.3.190.0070.04312.74
5.3.180.0020.02512.73
5.3.170.0060.03012.73
5.3.160.0070.02712.80
5.3.150.0040.03512.80
5.3.140.0070.02612.80
5.3.130.0060.04312.73
5.3.120.0070.03512.72
5.3.110.0020.02712.72
5.3.100.0130.01612.47
5.3.90.0070.03512.47
5.3.80.0100.03612.54
5.3.70.0050.03512.46
5.3.60.0050.03712.45
5.3.50.0080.03912.38
5.3.40.0050.03712.45
5.3.30.0090.03212.40
5.3.20.0140.03212.30
5.3.10.0070.03512.35
5.3.00.0080.03512.24
5.2.170.0080.03011.02
5.2.160.0020.02011.03
5.2.150.0050.02511.00
5.2.140.0050.03210.99
5.2.130.0050.03211.02
5.2.120.0030.03211.03
5.2.110.0050.03111.01
5.2.100.0080.02710.97
5.2.90.0020.03711.07
5.2.80.0020.03410.97
5.2.70.0050.03311.01
5.2.60.0030.03311.00
5.2.50.0020.03310.93
5.2.40.0050.01810.92
5.2.30.0030.02110.91
5.2.20.0030.02810.92
5.2.10.0070.01510.91
5.2.00.0040.02210.75
5.1.60.0050.02610.42
5.1.50.0060.02510.46
5.1.40.0030.03010.42
5.1.30.0060.02810.58
5.1.20.0050.03110.65
5.1.10.0030.03210.48
5.1.00.0020.02510.49
5.0.50.0040.0119.80
5.0.40.0010.0159.67
5.0.30.0050.0189.58
5.0.20.0030.0159.52
5.0.10.0020.0229.60
5.0.00.0060.0209.55
4.4.90.0000.0149.30
4.4.80.0020.0099.30
4.4.70.0050.0179.30
4.4.60.0020.0209.30
4.4.50.0040.0109.30
4.4.40.0060.0239.30
4.4.30.0000.0189.30
4.4.20.0000.0229.30
4.4.10.0020.0129.30
4.4.00.0000.0179.30
4.3.110.0000.0239.30
4.3.100.0020.0199.30
4.3.90.0040.0179.30
4.3.80.0060.0119.30
4.3.70.0000.0209.30
4.3.60.0030.0189.30
4.3.50.0050.0129.30
4.3.40.0000.0229.30
4.3.30.0040.0089.30
4.3.20.0010.0099.30
4.3.10.0000.0109.30
4.3.00.0020.0089.30

preferences:
46.31 ms | 401 KiB | 5 Q