3v4l.org

run code in 300+ PHP versions simultaneously
<?php class BaseClass { } class MyClass extends BaseClass{ } $object = new MyClass(); echo @is_subclass_of('BaseClass', 'BaseClass')? "Yes\n":"No<br />"; echo @is_subclass_of('MyClass', 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of('myclass', 'baseclass')? "Yes\n":"No\n"; echo @is_subclass_of('myClass', 'baseclass', false)? 'Yes<br />':'No<br />'; echo @is_subclass_of($object, 'baseclass', false)? 'Yes<br />':'No<br />'; echo @is_subclass_of($object, 'BaseClass')? 'Yes<br />':'No<br />';

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)
8.3.60.0070.01116.47
8.3.50.0100.00922.00
8.3.40.0070.00718.66
8.3.30.0030.01319.10
8.3.20.0070.00020.34
8.3.10.0050.00323.66
8.3.00.0070.00419.23
8.2.180.0100.01018.54
8.2.170.0070.00722.96
8.2.160.0070.01020.45
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00222.26
8.2.110.0060.00319.41
8.2.100.0040.00817.72
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0050.00318.04
8.2.50.0060.00318.07
8.2.40.0080.00018.16
8.2.30.0030.00618.14
8.2.20.0000.00717.59
8.2.10.0020.00518.19
8.2.00.0060.00317.67
8.1.280.0100.01025.92
8.1.270.0030.00523.83
8.1.260.0060.00626.35
8.1.250.0070.01028.09
8.1.240.0030.00622.20
8.1.230.0080.00420.80
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0030.00717.22
8.1.190.0040.00417.51
8.1.180.0040.00418.10
8.1.170.0000.00718.61
8.1.160.0040.00422.03
8.1.150.0030.00518.63
8.1.140.0060.00317.58
8.1.130.0070.00017.84
8.1.120.0030.00317.51
8.1.110.0050.00317.38
8.1.100.0000.00717.53
8.1.90.0000.00717.43
8.1.80.0020.00517.54
8.1.70.0040.00417.49
8.1.60.0000.00817.60
8.1.50.0000.00817.59
8.1.40.0000.00817.61
8.1.30.0090.00017.63
8.1.20.0030.00517.57
8.1.10.0000.00817.55
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0040.00418.48
8.0.270.0000.00717.27
8.0.260.0060.00017.25
8.0.250.0000.00616.88
8.0.240.0000.00716.98
8.0.230.0070.00017.00
8.0.220.0030.00316.90
8.0.210.0070.00016.89
8.0.200.0060.00016.91
8.0.190.0040.00416.96
8.0.180.0000.00716.93
8.0.170.0050.00316.95
8.0.160.0000.00716.99
8.0.150.0000.00716.77
8.0.140.0050.00316.77
8.0.130.0030.00313.41
8.0.120.0000.00716.77
8.0.110.0040.00416.96
8.0.100.0000.00716.93
8.0.90.0000.00816.88
8.0.80.0120.00316.87
8.0.70.0030.00516.89
8.0.60.0020.00516.98
8.0.50.0040.00416.93
8.0.30.0110.00816.99
8.0.20.0090.00917.40
8.0.10.0070.00016.99
8.0.00.0120.00816.75
7.4.330.0030.00315.14
7.4.320.0000.00616.62
7.4.300.0040.00416.63
7.4.290.0060.00316.54
7.4.280.0000.00716.61
7.4.270.0060.00016.54
7.4.260.0070.00016.61
7.4.250.0040.00416.48
7.4.240.0000.00716.60
7.4.230.0030.00316.64
7.4.220.0160.00616.67
7.4.210.0060.00916.56
7.4.200.0030.00316.60
7.4.190.0040.00416.79
7.4.160.0120.00316.29
7.4.150.0100.00617.40
7.4.140.0140.00717.86
7.4.130.0100.00916.49
7.4.120.0100.00716.45
7.4.110.0110.00716.41
7.4.100.0070.01816.49
7.4.90.0170.00016.57
7.4.80.0140.00319.39
7.4.70.0030.01516.43
7.4.60.0040.01116.59
7.4.50.0060.00316.15
7.4.40.0000.01422.77
7.4.30.0110.00516.30
7.4.10.0090.00914.52
7.4.00.0050.00615.11
7.3.330.0000.00713.18
7.3.320.0020.00213.02
7.3.310.0030.00316.18
7.3.300.0000.00616.01
7.3.290.0090.00616.21
7.3.280.0120.00716.20
7.3.270.0160.00717.40
7.3.260.0080.00816.17
7.3.250.0090.00916.39
7.3.240.0060.00916.18
7.3.230.0140.00316.39
7.3.210.0060.01116.51
7.3.200.0150.00719.39
7.3.190.0160.00616.63
7.3.180.0060.00916.39
7.3.170.0060.01216.30
7.3.160.0030.01316.21
7.3.130.0100.00714.35
7.3.120.0100.00614.72
7.3.110.0090.00914.71
7.3.100.0070.01014.93
7.3.90.0030.01014.71
7.3.80.0050.00514.86
7.3.70.0030.00914.93
7.3.60.0060.00914.75
7.3.50.0000.01414.55
7.3.40.0110.00414.89
7.3.30.0070.00714.82
7.3.20.0070.00716.28
7.3.10.0100.00716.62
7.3.00.0000.01516.53
7.2.330.0170.00016.46
7.2.320.0120.00616.57
7.2.310.0040.01216.68
7.2.300.0170.00716.68
7.2.290.0160.00916.68
7.2.260.0120.00615.08
7.2.250.0000.01615.21
7.2.240.0040.01115.26
7.2.230.0030.01314.74
7.2.220.0030.01315.00
7.2.210.0000.01215.19
7.2.200.0120.00314.89
7.2.190.0100.00614.98
7.2.180.0100.00315.13
7.2.170.0030.01314.99
7.2.160.0000.01614.94
7.2.150.0100.00316.96
7.2.140.0060.00916.98
7.2.130.0060.01016.83
7.2.120.0030.00916.89
7.2.110.0000.01316.97
7.2.100.0060.00916.79
7.2.90.0030.00716.80
7.2.80.0070.01016.82
7.2.70.0030.01316.88
7.2.60.0060.01016.95
7.2.50.0070.00716.83
7.2.40.0100.00616.97
7.2.30.0060.00816.87
7.2.20.0090.00616.66
7.2.10.0030.01416.90
7.2.00.0060.00616.66
7.1.330.0070.00715.65
7.1.320.0090.00615.74
7.1.310.0000.01215.44
7.1.300.0000.01415.54
7.1.290.0030.01315.81
7.1.280.0030.01015.62
7.1.270.0060.00915.61
7.1.260.0070.00715.65
7.1.250.0040.00415.70
7.1.240.0030.00815.41
7.1.230.0060.00915.73
7.1.220.0060.00315.79
7.1.210.0100.00315.76
7.1.200.0070.00715.72
7.1.190.0060.00915.74
7.1.180.0100.00315.54
7.1.170.0060.00915.98
7.1.160.0090.00615.73
7.1.150.0040.00715.50
7.1.140.0030.01015.65
7.1.130.0060.01015.96
7.1.120.0040.00715.75
7.1.110.0040.01115.52
7.1.100.0000.01215.85
7.1.90.0040.00415.89
7.1.80.0100.00615.82
7.1.70.0050.00716.46
7.1.60.0080.00616.41
7.1.50.0070.01016.42
7.1.40.0070.00715.50
7.1.30.0080.00315.60
7.1.20.0030.00815.87
7.1.10.0040.00715.55
7.1.00.0050.03918.97
7.0.330.0100.00315.42
7.0.320.0100.00015.52
7.0.310.0070.00715.27
7.0.300.0070.00315.28
7.0.290.0030.01015.15
7.0.280.0040.01115.39
7.0.270.0030.00715.41
7.0.260.0030.01015.35
7.0.250.0110.00415.24
7.0.240.0000.00915.18
7.0.230.0030.01015.59
7.0.220.0070.01015.36
7.0.210.0060.00915.03
7.0.200.0060.00816.08
7.0.190.0100.00315.45
7.0.180.0000.01115.17
7.0.170.0110.00015.18
7.0.160.0070.00715.44
7.0.150.0070.00715.04
7.0.140.0100.03718.63
7.0.130.0060.01015.35
7.0.120.0040.00415.46
7.0.110.0030.01015.43
7.0.100.0150.04617.53
7.0.90.0040.04117.77
7.0.80.0030.03517.59
7.0.70.0230.04617.49
7.0.60.0080.03817.63
7.0.50.0050.03617.78
7.0.40.0090.04316.71
7.0.30.0100.02316.66
7.0.20.0030.04816.72
7.0.10.0030.05016.75
7.0.00.0100.03516.59
5.6.400.0070.00714.51
5.6.390.0080.00814.58
5.6.380.0030.01014.30
5.6.370.0070.01014.47
5.6.360.0030.01314.66
5.6.350.0110.00414.37
5.6.340.0070.00314.24
5.6.330.0000.01114.44
5.6.320.0060.00614.18
5.6.310.0000.01114.43
5.6.300.0030.01314.58
5.6.290.0030.01014.15
5.6.280.0050.04117.52
5.6.270.0030.00614.48
5.6.260.0030.01314.24
5.6.250.0080.03817.30
5.6.240.0030.03817.43
5.6.230.0100.03717.52
5.6.220.0050.03817.43
5.6.210.0150.04117.39
5.6.200.0110.04517.72
5.6.190.0120.02517.65
5.6.180.0080.04517.79
5.6.170.0070.02517.72
5.6.160.0020.05017.63
5.6.150.0140.03717.65
5.6.140.0100.03517.67
5.6.130.0080.03617.63
5.6.120.0100.04317.67
5.6.110.0110.03117.62
5.6.100.0060.04617.69
5.6.90.0030.04617.67
5.6.80.0080.04317.34
5.6.70.0120.03917.31
5.6.60.0030.04517.34
5.6.50.0030.04017.41
5.6.40.0100.03917.32
5.6.30.0150.03517.42
5.6.20.0030.04617.42
5.6.10.0130.03617.45
5.6.00.0120.03017.35
5.5.380.0080.04017.42
5.5.370.0140.03817.21
5.5.360.0090.04017.33
5.5.350.0100.03717.38
5.5.340.0100.04517.57
5.5.330.0070.04817.45
5.5.320.0080.04517.59
5.5.310.0070.03717.52
5.5.300.0100.04217.51
5.5.290.0080.02517.56
5.5.280.0120.03917.63
5.5.270.0080.04117.46
5.5.260.0080.04517.32
5.5.250.0080.04817.46
5.5.240.0060.03517.19
5.5.230.0080.03917.08
5.5.220.0080.03517.05
5.5.210.0060.04116.97
5.5.200.0060.04317.07
5.5.190.0080.04017.28
5.5.180.0110.03717.10
5.5.170.0100.00313.99
5.5.160.0030.04217.16
5.5.150.0100.03517.19
5.5.140.0080.04017.21
5.5.130.0070.03717.17
5.5.120.0040.02717.17
5.5.110.0050.02916.96
5.5.100.0060.02317.28
5.5.90.0060.02517.14
5.5.80.0080.04017.09
5.5.70.0130.01817.30
5.5.60.0050.03417.03
5.5.50.0030.02717.06
5.5.40.0080.04016.98
5.5.30.0110.01816.79
5.5.20.0050.02317.07
5.5.10.0050.04416.90
5.5.00.0100.04217.06
5.4.450.0040.02416.05
5.4.440.0030.04516.05
5.4.430.0020.03316.10
5.4.420.0080.04015.92
5.4.410.0080.03315.86
5.4.400.0030.02415.76
5.4.390.0030.04015.87
5.4.380.0110.03815.84
5.4.370.0050.03715.89
5.4.360.0100.03815.76
5.4.350.0080.02215.84
5.4.340.0070.04515.84
5.4.330.0000.00912.64
5.4.320.0050.03615.88
5.4.310.0110.03615.79
5.4.300.0040.02415.82
5.4.290.0060.03515.92
5.4.280.0060.04015.90
5.4.270.0070.03715.90
5.4.260.0090.03515.88
5.4.250.0060.03015.86
5.4.240.0100.02015.93
5.4.230.0040.04015.83
5.4.220.0050.03515.88
5.4.210.0050.02215.89
5.4.200.0050.04515.89
5.4.190.0070.02215.92
5.4.180.0090.03815.79
5.4.170.0070.01715.79
5.4.160.0070.04015.83
5.4.150.0020.03315.78
5.4.140.0050.03714.46
5.4.130.0090.03914.57
5.4.120.0090.02914.45
5.4.110.0080.03714.52
5.4.100.0050.02814.58
5.4.90.0040.02514.54
5.4.80.0090.02214.60
5.4.70.0060.03614.53
5.4.60.0080.01814.49
5.4.50.0030.02714.55
5.4.40.0040.01814.49
5.4.30.0050.01714.46
5.4.20.0040.02014.47
5.4.10.0020.02314.52
5.4.00.0030.02014.23
5.3.290.0020.04713.69
5.3.280.0020.03513.67
5.3.270.0150.02813.61
5.3.260.0070.04013.62
5.3.250.0100.03513.70
5.3.240.0030.03913.67
5.3.230.0050.03213.65
5.3.220.0050.03313.59
5.3.210.0120.03013.63
5.3.200.0100.02513.66
5.3.190.0100.03313.59
5.3.180.0070.03113.60
5.3.170.0060.03613.64
5.3.160.0060.02113.63
5.3.150.0030.02513.61
5.3.140.0050.02013.64
5.3.130.0050.02013.59
5.3.120.0070.02013.60
5.3.110.0030.02513.65
5.3.100.0050.01813.37
5.3.90.0010.02313.35
5.3.80.0020.02313.37
5.3.70.0030.03013.37
5.3.60.0050.02013.35
5.3.50.0080.01913.31
5.3.40.0090.01513.29
5.3.30.0020.02413.34
5.3.20.0030.02013.14
5.3.10.0100.01513.16
5.3.00.0050.02213.21
5.2.170.0000.03311.26
5.2.160.0070.03011.25
5.2.150.0000.03311.05
5.2.140.0000.03311.09
5.2.130.0030.03011.25
5.2.120.0030.03011.18
5.2.110.0030.02711.02
5.2.100.0000.03311.02
5.2.90.0000.03011.14
5.2.80.0000.03011.04
5.2.70.0000.03311.09
5.2.60.0000.03011.09
5.2.50.0100.05710.96
5.2.40.0030.03710.92
5.2.30.0000.06711.14
5.2.20.0030.03311.03
5.2.10.0030.06710.73
5.2.00.0030.06310.66
5.1.60.0000.0379.89
5.1.50.0070.05310.04
5.1.40.0100.04310.08
5.1.30.0070.05310.21
5.1.20.0130.05010.39
5.1.10.0030.05710.07
5.1.00.0070.04010.13
5.0.50.0000.0378.61
5.0.40.0100.0408.47
5.0.30.0070.0408.30
5.0.20.0000.0338.26
5.0.10.0100.0238.09
5.0.00.0030.0538.19
4.4.90.0000.0178.09
4.4.80.0030.0138.09
4.4.70.0030.0278.09
4.4.60.0100.0208.09
4.4.50.0030.0308.09
4.4.40.0070.0438.09
4.4.30.0030.0378.09
4.4.20.0030.0408.09
4.4.10.0000.0208.09
4.4.00.0030.0538.09
4.3.110.0030.0338.09
4.3.100.0100.0278.09
4.3.90.0000.0208.09
4.3.80.0070.0438.09
4.3.70.0030.0338.09
4.3.60.0030.0208.09
4.3.50.0070.0338.09
4.3.40.0000.0278.09
4.3.30.0070.0278.09
4.3.20.0000.0308.09
4.3.10.0000.0408.09
4.3.00.0000.0238.09

preferences:
42.03 ms | 401 KiB | 5 Q