3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A{} 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)
8.3.60.0120.00316.50
8.3.50.0130.00917.31
8.3.40.0110.00318.77
8.3.30.0100.00618.50
8.3.20.0080.00018.52
8.3.10.0030.00618.62
8.3.00.0080.00019.13
8.2.180.0100.00716.50
8.2.170.0070.00722.96
8.2.160.0070.00720.85
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00318.82
8.2.110.0130.00720.38
8.2.100.0090.00317.59
8.2.90.0030.00519.10
8.2.80.0090.00017.97
8.2.70.0060.00317.50
8.2.60.0000.00817.68
8.2.50.0000.00818.07
8.2.40.0000.00718.03
8.2.30.0040.00417.89
8.2.20.0050.00317.40
8.2.10.0040.00417.60
8.2.00.0030.00817.45
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0000.01217.42
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0060.00317.22
8.1.190.0080.00017.40
8.1.180.0000.00818.10
8.1.170.0030.00618.71
8.1.160.0040.00418.66
8.1.150.0040.00418.43
8.1.140.0000.00717.32
8.1.130.0030.00317.66
8.1.120.0030.00417.21
8.1.110.0040.00417.22
8.1.100.0050.00217.39
8.1.90.0070.00017.29
8.1.80.0040.00417.22
8.1.70.0070.00017.30
8.1.60.0120.00017.44
8.1.50.0040.00417.23
8.1.40.0040.00417.27
8.1.30.0060.00317.49
8.1.20.0030.00617.50
8.1.10.0030.00517.45
8.1.00.0000.00817.26
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.29
8.0.270.0030.00317.12
8.0.260.0030.00316.68
8.0.250.0040.00416.88
8.0.240.0000.00716.73
8.0.230.0040.00416.83
8.0.220.0030.00316.78
8.0.210.0040.00416.69
8.0.200.0000.00716.84
8.0.190.0000.00716.86
8.0.180.0030.00316.80
8.0.170.0060.00316.74
8.0.160.0040.00416.84
8.0.150.0000.00816.59
8.0.140.0040.00416.74
8.0.130.0030.00313.17
8.0.120.0000.00716.73
8.0.110.0000.00816.66
8.0.100.0050.00216.57
8.0.90.0070.00016.82
8.0.80.0110.00616.72
8.0.70.0040.00416.57
8.0.60.0040.00416.86
8.0.50.0040.00416.67
8.0.30.0090.00917.07
8.0.20.0080.01116.81
8.0.10.0040.00416.76
8.0.00.0080.01016.63
7.4.330.0000.00512.84
7.4.320.0060.00016.29
7.4.300.0030.00316.46
7.4.290.0070.00016.45
7.4.280.0000.00716.51
7.4.270.0000.00716.43
7.4.260.0030.00313.12
7.4.250.0050.00316.40
7.4.240.0020.00616.46
7.4.230.0030.00416.36
7.4.220.0000.02016.51
7.4.210.0080.00816.39
7.4.200.0030.00316.25
7.4.190.0000.00716.55
7.4.160.0150.00316.18
7.4.150.0130.00716.61
7.4.140.0100.00716.37
7.4.130.0070.01316.33
7.4.120.0100.00816.43
7.4.110.0030.01416.24
7.4.100.0060.01216.43
7.4.90.0120.00816.35
7.4.80.0120.01119.39
7.4.70.0090.00916.12
7.4.60.0130.00416.49
7.4.50.0040.00915.90
7.4.40.0090.00616.03
7.4.30.0110.01116.16
7.4.00.0100.00614.67
7.3.330.0040.00412.95
7.3.320.0030.00312.96
7.3.310.0030.00316.05
7.3.300.0030.00316.05
7.3.290.0110.00716.17
7.3.280.0090.00716.13
7.3.270.0000.01716.44
7.3.260.0110.00716.23
7.3.250.0120.00816.29
7.3.240.0130.00316.20
7.3.230.0060.00916.20
7.3.210.0100.00616.46
7.3.200.0030.01316.18
7.3.190.0090.00916.16
7.3.180.0070.01016.29
7.3.170.0090.00616.16
7.3.160.0100.00716.09
7.3.120.0080.00414.70
7.3.10.0140.00516.41
7.3.00.0080.00816.11
7.2.330.0170.00016.35
7.2.320.0110.01116.32
7.2.310.0100.01316.30
7.2.300.0100.00516.14
7.2.290.0130.00316.20
7.2.130.0210.00516.49
7.2.120.0140.00716.32
7.2.110.0100.01016.52
7.2.100.0080.01116.07
7.2.90.0160.00616.28
7.2.80.0160.00316.13
7.2.70.0140.00316.18
7.2.60.0130.00616.41
7.2.50.0160.01616.63
7.2.40.0100.01016.63
7.2.30.0210.00916.14
7.2.20.0160.00916.20
7.2.10.0140.00716.57
7.2.00.0170.00616.29
7.1.250.0100.00415.18
7.1.100.0030.01017.98
7.1.70.0000.00816.74
7.1.60.0090.01519.40
7.1.50.0060.01516.90
7.1.00.0070.07322.45
7.0.200.0050.00914.80
7.0.140.0100.07021.97
7.0.120.0030.06322.01
7.0.60.0270.08019.91
7.0.50.0070.06717.87
7.0.40.0070.04720.11
7.0.30.0370.04720.20
7.0.20.0300.08020.16
7.0.10.0300.06320.23
7.0.00.0100.04020.32
5.6.210.0030.08720.55
5.6.200.0070.06018.16
5.6.190.0070.07020.39
5.6.180.0270.05020.48
5.6.170.0270.05720.50
5.6.160.0100.05318.14
5.6.150.0130.04318.18
5.6.140.0030.04018.27
5.6.130.0100.08018.18
5.6.120.0100.05321.00
5.6.110.0100.07020.97
5.6.100.0130.05020.99
5.6.90.0000.10320.97
5.6.80.0100.05020.37
5.5.350.0070.08020.49
5.5.340.0030.08018.10
5.5.330.0070.07720.31
5.5.320.0270.07320.35
5.5.310.0230.09020.37
5.5.300.0130.06018.07
5.5.290.0070.08018.07
5.5.280.0100.07020.77
5.5.270.0170.07720.76
5.5.260.0100.08020.97
5.5.250.0100.07320.77
5.5.240.0100.05320.37
5.4.450.0000.07319.21
5.4.440.0130.04719.47
5.4.430.0070.03719.48
5.4.420.0100.07019.56
5.4.410.0030.04719.43
5.4.400.0130.03718.98
5.4.390.0070.04319.21
5.4.380.0030.04718.85
5.4.370.0070.06319.24
5.4.360.0030.03719.15
5.4.350.0030.04018.85
5.4.340.0100.03319.12
5.4.320.0030.04319.24
5.4.310.0270.03719.14
5.4.300.0070.07719.11
5.4.290.0030.03719.20
5.4.280.0100.07018.97
5.4.270.0170.03319.24
5.4.260.0030.03718.85
5.4.250.0000.04019.00
5.4.240.0170.02719.14
5.4.230.0200.03018.86
5.4.220.0030.04319.20
5.4.210.0100.04019.14
5.4.200.0030.04318.86
5.4.190.0070.07319.00
5.4.180.0100.05318.99
5.4.170.0070.04319.23
5.4.160.0030.03718.87
5.4.150.0130.03719.09
5.4.140.0030.04016.52
5.4.130.0230.02316.31
5.4.120.0170.06316.50
5.4.110.0030.06716.58
5.4.100.0070.07016.39
5.4.90.0100.03016.42
5.4.80.0100.07016.48
5.4.70.0100.05316.46
5.4.60.0170.05316.25
5.4.50.0070.05016.41
5.4.40.0070.07716.35
5.4.30.0030.07016.39
5.4.20.0100.04316.27
5.4.10.0070.07316.31
5.4.00.0030.08015.99
5.3.290.0070.03714.64
5.3.280.0000.04314.61
5.3.270.0000.05314.59
5.3.260.0070.03314.60
5.3.250.0070.03314.67
5.3.240.0100.03714.59
5.3.230.0130.03014.65
5.3.220.0100.07014.46
5.3.210.0070.04314.55
5.3.200.0070.03314.59
5.3.190.0070.07314.72
5.3.180.0070.05314.61
5.3.170.0100.06014.55
5.3.160.0000.04014.55
5.3.150.0030.04714.63
5.3.140.0030.04714.70
5.3.130.0030.06014.54
5.3.120.0070.07714.60
5.3.110.0070.04314.68
5.3.100.0070.08014.07
5.3.90.0030.07014.08
5.3.80.0100.05014.08
5.3.70.0070.03713.90
5.3.60.0070.04014.04
5.3.50.0030.03714.11
5.3.40.0030.07013.83
5.3.30.0030.03714.05
5.3.20.0030.07013.74
5.3.10.0070.03013.62
5.3.00.0030.04013.68
5.2.170.0100.05711.15
5.2.160.0030.04711.04
5.2.150.0030.04011.09
5.2.140.0000.05011.15
5.2.130.0000.03011.19
5.2.120.0000.03011.26
5.2.110.0030.05311.16
5.2.100.0030.02711.01
5.2.90.0030.04711.01
5.2.80.0030.03711.01
5.2.70.0030.03011.18
5.2.60.0000.03711.04
5.2.50.0000.03011.06
5.2.40.0070.04011.06
5.2.30.0100.05310.85
5.2.20.0000.03310.96
5.2.10.0030.02710.86
5.2.00.0030.03710.76
5.1.60.0000.0239.99
5.1.50.0030.02310.14
5.1.40.0000.0279.98
5.1.30.0030.02710.26
5.1.20.0130.04010.31
5.1.10.0030.06010.22
5.1.00.0030.04310.08
5.0.50.0030.0308.50
5.0.40.0000.0408.39
5.0.30.0030.0378.18
5.0.20.0000.0238.25
5.0.10.0000.0208.23
5.0.00.0070.0608.12
4.4.90.0000.0177.74
4.4.80.0000.0277.74
4.4.70.0030.0177.74
4.4.60.0030.0237.74
4.4.50.0000.0337.74
4.4.40.0000.0437.74
4.4.30.0100.0277.74
4.4.20.0070.0137.74
4.4.10.0000.0377.74
4.4.00.0030.0337.74
4.3.110.0000.0177.74
4.3.100.0000.0177.74
4.3.90.0000.0177.74
4.3.80.0000.0377.74
4.3.70.0000.0177.74
4.3.60.0070.0107.74
4.3.50.0000.0377.74
4.3.40.0030.0477.74
4.3.30.0000.0177.74
4.3.20.0000.0177.74
4.3.10.0070.0307.74
4.3.00.0000.0337.74

preferences:
45.78 ms | 401 KiB | 5 Q