3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B {} var_dump(is_subclass_of('A', 'A'), is_subclass_of('B', 'A'));

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)
8.3.60.0060.00816.50
8.3.50.0130.00217.37
8.3.40.0120.00618.55
8.3.30.0180.00018.59
8.3.20.0070.00718.48
8.3.10.0000.01120.06
8.3.00.0070.00319.26
8.2.180.0100.00716.38
8.2.170.0040.01122.96
8.2.160.0100.00320.38
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0170.00026.16
8.2.120.0060.00320.42
8.2.110.0030.00620.98
8.2.100.0040.00717.59
8.2.90.0050.00521.03
8.2.80.0040.00419.34
8.2.70.0060.00317.25
8.2.60.0040.00717.91
8.2.50.0060.00318.07
8.2.40.0000.00718.09
8.2.30.0040.00417.77
8.2.20.0090.00019.19
8.2.10.0060.00317.59
8.2.00.0000.00717.53
8.1.280.0160.00425.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0030.00623.83
8.1.230.0080.00320.95
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00917.13
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0040.00418.84
8.1.160.0000.00718.75
8.1.150.0080.00018.46
8.1.140.0030.00617.23
8.1.130.0030.00317.74
8.1.120.0000.00717.21
8.1.110.0040.00417.19
8.1.100.0070.00017.35
8.1.90.0040.00417.31
8.1.80.0040.00417.37
8.1.70.0060.00317.23
8.1.60.0030.00617.32
8.1.50.0030.00517.29
8.1.40.0000.00817.45
8.1.30.0020.00517.34
8.1.20.0000.00817.41
8.1.10.0000.00817.39
8.1.00.0040.00417.30
8.0.300.0050.00319.73
8.0.290.0000.00716.63
8.0.280.0040.00418.25
8.0.270.0070.00016.99
8.0.260.0030.00316.62
8.0.250.0020.00516.90
8.0.240.0030.00316.71
8.0.230.0000.00616.80
8.0.220.0030.00316.63
8.0.210.0030.00516.78
8.0.200.0040.00416.77
8.0.190.0040.00416.82
8.0.180.0000.00816.75
8.0.170.0070.00316.70
8.0.160.0030.00316.77
8.0.150.0040.00416.59
8.0.140.0000.00716.60
8.0.130.0000.00513.11
8.0.120.0050.00216.70
8.0.110.0050.00216.71
8.0.100.0050.00216.78
8.0.90.0040.00416.80
8.0.80.0120.00316.79
8.0.70.0000.00816.70
8.0.60.0000.00716.62
8.0.50.0000.00716.81
8.0.30.0110.00716.79
8.0.20.0090.00916.87
8.0.10.0000.01016.89
8.0.00.0100.01016.63
7.4.330.0030.00312.79
7.4.320.0030.00316.36
7.4.300.0030.00316.35
7.4.290.0000.00816.43
7.4.280.0000.00816.37
7.4.270.0000.00816.44
7.4.260.0060.00013.13
7.4.250.0040.00416.25
7.4.240.0050.00316.29
7.4.230.0070.00016.36
7.4.220.0060.00916.49
7.4.210.0050.01116.44
7.4.200.0070.00016.44
7.4.190.0050.00316.27
7.4.160.0140.00916.31
7.4.150.0110.00716.19
7.4.140.0060.01116.27
7.4.130.0080.01216.25
7.4.120.0080.00916.32
7.4.110.0150.00916.40
7.4.100.0140.00316.23
7.4.90.0170.00016.32
7.4.80.0060.01019.39
7.4.70.0120.00916.40
7.4.60.0070.00916.23
7.4.50.0070.00016.35
7.4.40.0090.00616.23
7.4.30.0070.01616.50
7.4.00.0080.01014.88
7.3.330.0000.00513.27
7.3.320.0030.00313.16
7.3.310.0040.00416.25
7.3.300.0030.00316.02
7.3.290.0110.00616.08
7.3.280.0080.00816.16
7.3.270.0120.00616.05
7.3.260.0160.00816.50
7.3.250.0080.01116.31
7.3.240.0130.00716.36
7.3.230.0030.01316.36
7.3.210.0110.00516.08
7.3.200.0100.00716.14
7.3.190.0070.01416.31
7.3.180.0090.00916.36
7.3.170.0070.01016.47
7.3.160.0090.00616.16
7.3.120.0070.01214.74
7.3.110.0120.00714.63
7.3.100.0080.00814.37
7.3.90.0080.00614.68
7.3.80.0030.01014.64
7.3.70.0050.01014.57
7.3.60.0080.00214.54
7.3.50.0050.00914.63
7.3.40.0060.00714.43
7.3.30.0070.00714.59
7.3.20.0130.00216.50
7.3.10.0060.00716.54
7.3.00.0060.00616.51
7.2.330.0140.00316.55
7.2.320.0030.01416.17
7.2.310.0070.01516.41
7.2.300.0100.00616.46
7.2.290.0150.00316.32
7.2.250.0070.00714.70
7.2.240.0070.01014.93
7.2.230.0060.01014.73
7.2.220.0050.00814.78
7.2.210.0070.00714.72
7.2.200.0060.00614.63
7.2.190.0020.01214.74
7.2.180.0050.01114.55
7.2.170.0080.00714.79
7.2.160.0090.00614.50
7.2.150.0000.01516.48
7.2.140.0130.00316.68
7.2.130.0050.01216.82
7.2.120.0080.00816.75
7.2.110.0050.00816.60
7.2.100.0070.00716.63
7.2.90.0050.00816.66
7.2.80.0120.00316.75
7.2.70.0050.01116.69
7.2.60.0090.00816.77
7.2.50.0070.00916.62
7.2.40.0060.00916.72
7.2.30.0030.01516.77
7.2.20.0050.00716.59
7.2.10.0030.01016.58
7.2.00.0060.00817.58
7.1.330.0060.01215.69
7.1.320.0070.00915.69
7.1.310.0070.00715.75
7.1.300.0030.01115.68
7.1.290.0060.00615.55
7.1.280.0020.01215.64
7.1.270.0040.01115.69
7.1.260.0060.00615.36
7.1.250.0050.01015.58
7.1.100.0060.00617.98
7.1.70.0000.00917.10
7.1.60.0180.00719.40
7.1.50.0070.01516.53
7.1.00.0070.03022.48
7.0.200.0140.00714.61
7.0.140.0000.07722.21
7.0.120.0030.07322.03
7.0.60.0030.08319.84
7.0.50.0030.05317.88
7.0.40.0070.04320.40
7.0.30.0200.04320.06
7.0.20.0270.05720.07
7.0.10.0030.05020.24
7.0.00.0070.08720.12
5.6.280.0170.06021.04
5.6.210.0070.03720.64
5.6.200.0000.04318.20
5.6.190.0100.05320.41
5.6.180.0430.06320.64
5.6.170.0100.04720.55
5.6.160.0070.04320.51
5.6.150.0100.07018.14
5.6.140.0100.07018.18
5.6.130.0000.08018.24
5.6.120.0070.06021.00
5.6.110.0130.07721.01
5.6.100.0170.07721.11
5.6.90.0100.08020.86
5.6.80.0070.04020.38
5.5.350.0000.08720.33
5.5.340.0070.04318.07
5.5.330.0030.09020.21
5.5.320.0030.05320.20
5.5.310.0200.04720.37
5.5.300.0170.06717.95
5.5.290.0030.07317.98
5.5.280.0000.06320.87
5.5.270.0100.07020.96
5.5.260.0030.08720.79
5.5.250.0100.06020.59
5.5.240.0370.07020.37
5.4.450.0100.06319.56
5.4.440.0070.04319.44
5.4.430.0000.04019.32
5.4.420.0030.04019.18
5.4.410.0000.04019.34
5.4.400.0000.04019.14
5.4.390.0030.03719.25
5.4.380.0030.03719.12
5.4.370.0030.03719.09
5.4.360.0070.03319.24
5.4.350.0070.03318.88
5.4.340.0070.03319.15
5.4.320.0030.03718.85
5.4.310.0070.03319.14
5.4.300.0000.04018.87
5.4.290.0070.03718.85
5.4.280.0000.04018.84
5.4.270.0030.03719.15
5.4.260.0070.03319.14
5.4.250.0070.04018.96
5.4.240.0070.03319.14
5.4.230.0000.04019.20
5.4.220.0100.06019.24
5.4.210.0030.08318.84
5.4.200.0030.08019.07
5.4.190.0100.06718.99
5.4.180.0130.06719.00
5.4.170.0030.05719.10
5.4.160.0000.07719.21
5.4.150.0070.07719.13
5.4.140.0000.07316.39
5.4.130.0100.07316.44
5.4.120.0100.06716.42
5.4.110.0000.06016.44
5.4.100.0100.07016.35
5.4.90.0070.07316.32
5.4.80.0070.04716.50
5.4.70.0100.03716.33
5.4.60.0030.07316.51
5.4.50.0070.07016.36
5.4.40.0030.06016.43
5.4.30.0030.04016.24
5.4.20.0100.04016.40
5.4.10.0030.08316.34
5.4.00.0000.07315.92
5.3.290.0030.03714.62
5.3.280.0170.04314.61
5.3.270.0100.04014.74
5.3.260.0000.08714.48
5.3.250.0070.04014.52
5.3.240.0100.04014.63
5.3.230.0030.05014.66
5.3.220.0000.06714.44
5.3.210.0000.07714.55
5.3.200.0070.07314.45
5.3.190.0100.07314.61
5.3.180.0070.04314.44
5.3.170.0130.06314.55
5.3.160.0070.05314.44
5.3.150.0070.08014.55
5.3.140.0070.07314.61
5.3.130.0070.07714.70
5.3.120.0000.05014.43
5.3.110.0070.08014.58
5.3.100.0070.05714.04
5.3.90.0000.07314.16
5.3.80.0030.07314.00
5.3.70.0100.07013.93
5.3.60.0000.05014.02
5.3.50.0070.03713.96
5.3.40.0130.05013.89
5.3.30.0030.06713.87
5.3.20.0070.07313.74
5.3.10.0070.06313.62
5.3.00.0070.06013.64
5.2.170.0070.02711.20
5.2.160.0070.06311.29
5.2.150.0000.07011.18
5.2.140.0070.03011.14
5.2.130.0070.02711.06
5.2.120.0100.03311.05
5.2.110.0100.05711.02
5.2.100.0100.04011.10
5.2.90.0100.03011.23
5.2.80.0100.05711.01
5.2.70.0030.03011.25
5.2.60.0030.03711.11
5.2.50.0100.05010.90
5.2.40.0070.04010.99
5.2.30.0030.06011.04
5.2.20.0070.06011.11
5.2.10.0070.04010.86
5.2.00.0070.03710.79
5.1.60.0000.0579.96
5.1.50.0100.03710.05
5.1.40.0100.04710.02
5.1.30.0000.05310.32
5.1.20.0070.02310.40
5.1.10.0070.05710.21
5.1.00.0030.05310.03
5.0.50.0030.0478.93
5.0.40.0000.0408.93
5.0.30.0070.0638.93
5.0.20.0070.0438.93
5.0.10.0070.0408.93
5.0.00.0000.0438.93
4.4.90.0070.0308.93
4.4.80.0030.0178.93
4.4.70.0000.0378.93
4.4.60.0030.0178.93
4.4.50.0000.0378.93
4.4.40.0030.0438.93
4.4.30.0030.0378.93
4.4.20.0000.0238.93
4.4.10.0030.0378.93
4.4.00.0070.0438.93
4.3.110.0030.0338.93
4.3.100.0030.0378.93
4.3.90.0100.0278.93
4.3.80.0000.0538.93
4.3.70.0000.0378.93
4.3.60.0030.0338.93
4.3.50.0030.0308.93
4.3.40.0030.0538.93
4.3.30.0130.0238.93
4.3.20.0030.0338.93
4.3.10.0000.0338.93
4.3.00.0000.0308.93

preferences:
45.31 ms | 400 KiB | 5 Q