3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface a {} class b implements a {} var_dump( class_parents(new b), new b instanceof 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)
8.3.40.0120.00318.54
8.3.30.0070.00718.88
8.3.20.0070.00320.16
8.3.10.0070.00023.66
8.3.00.0000.00920.57
8.2.170.0070.00722.96
8.2.160.0140.00021.95
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00022.27
8.2.110.0040.00422.13
8.2.100.0110.00017.72
8.2.90.0050.00219.08
8.2.80.0000.00817.97
8.2.70.0040.00417.36
8.2.60.0090.00917.68
8.2.50.0060.00618.07
8.2.40.0000.00919.28
8.2.30.0020.00517.86
8.2.20.0080.00017.51
8.2.10.0040.00419.29
8.2.00.0050.00217.48
8.1.270.0090.00023.82
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00023.96
8.1.230.0080.00419.22
8.1.220.0040.00417.74
8.1.210.0030.00718.77
8.1.200.0030.00517.23
8.1.190.0030.00517.41
8.1.180.0040.00418.10
8.1.170.0080.00018.53
8.1.160.0040.00422.05
8.1.150.0040.00418.56
8.1.140.0000.00717.33
8.1.130.0030.00317.76
8.1.120.0000.00817.41
8.1.110.0050.00317.27
8.1.100.0000.00717.43
8.1.90.0070.00017.38
8.1.80.0000.00717.37
8.1.70.0070.00017.34
8.1.60.0040.00417.53
8.1.50.0040.00417.45
8.1.40.0080.00017.46
8.1.30.0080.00017.62
8.1.20.0000.00717.63
8.1.10.0040.00417.47
8.1.00.0030.00517.35
8.0.300.0040.00418.77
8.0.290.0000.00717.00
8.0.280.0000.00718.43
8.0.270.0000.00717.15
8.0.260.0000.00716.83
8.0.250.0040.00416.97
8.0.240.0080.00316.98
8.0.230.0030.00416.74
8.0.220.0030.00316.71
8.0.210.0030.00316.71
8.0.200.0030.00316.77
8.0.190.0040.00416.87
8.0.180.0040.00416.73
8.0.170.0000.00716.75
8.0.160.0040.00416.88
8.0.150.0000.00716.89
8.0.140.0070.00016.79
8.0.130.0030.00313.25
8.0.120.0040.00416.84
8.0.110.0030.00416.81
8.0.100.0000.00716.85
8.0.90.0030.00316.72
8.0.80.0160.00616.78
8.0.70.0070.00016.80
8.0.60.0040.00416.77
8.0.50.0080.00016.76
8.0.30.0080.01317.10
8.0.20.0110.00717.40
8.0.10.0040.00416.77
8.0.00.0050.01416.75
7.4.330.0050.00015.09
7.4.320.0030.00316.42
7.4.300.0070.00016.52
7.4.290.0030.00316.38
7.4.280.0040.00416.42
7.4.270.0030.00316.43
7.4.260.0060.00316.36
7.4.250.0090.00016.44
7.4.240.0050.00216.45
7.4.230.0040.00416.22
7.4.220.0120.00616.52
7.4.210.0060.00816.52
7.4.200.0000.00716.33
7.4.190.0000.00716.48
7.4.160.0050.01016.50
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0050.01216.31
7.4.120.0140.00516.54
7.4.110.0120.00616.56
7.4.100.0140.00316.48
7.4.90.0070.01016.23
7.4.80.0100.00716.36
7.4.70.0150.00616.23
7.4.60.0110.01116.21
7.4.50.0040.00416.35
7.4.40.0030.01022.77
7.4.30.0100.00716.50
7.4.00.0040.01115.08
7.3.330.0050.00013.18
7.3.320.0030.00313.13
7.3.310.0000.00716.26
7.3.300.0030.00316.06
7.3.290.0110.00516.16
7.3.280.0120.00616.13
7.3.270.0070.01017.40
7.3.260.0080.00816.43
7.3.250.0100.00716.21
7.3.240.0130.00316.53
7.3.230.0120.00916.55
7.3.210.0070.01016.22
7.3.200.0090.01119.39
7.3.190.0160.00616.54
7.3.180.0090.00616.40
7.3.170.0070.00716.39
7.3.160.0090.01216.29
7.3.120.0000.01114.91
7.2.330.0140.00416.59
7.2.320.0070.01616.22
7.2.310.0130.00316.52
7.2.300.0100.00616.36
7.2.290.0090.00916.27
7.1.70.0000.01017.19
7.1.60.0140.01019.29
7.1.50.0120.00816.86
7.1.00.0030.07722.30
7.0.200.0000.00716.38
7.0.140.0030.06722.00
7.0.100.0430.07319.88
7.0.90.0300.09019.98
7.0.80.0400.07319.93
7.0.70.0370.08719.96
7.0.60.0330.07719.77
7.0.50.0270.08720.20
7.0.40.0070.08320.03
7.0.30.0100.07720.11
7.0.20.0100.08020.17
7.0.10.0070.08020.04
7.0.00.0100.07020.14
5.6.250.0130.07720.52
5.6.240.0170.07720.64
5.6.230.0030.05320.59
5.6.220.0170.08720.65
5.6.210.0100.08020.47
5.6.200.0100.08020.91
5.6.190.0100.08320.95
5.6.180.0100.08320.95
5.6.170.0100.08320.93
5.6.160.0100.08021.09
5.6.150.0070.07020.91
5.6.140.0100.08021.05
5.6.130.0100.07721.13
5.6.120.0030.05721.00
5.6.110.0030.04321.10
5.6.100.0000.04321.00
5.6.90.0000.04721.15
5.6.80.0070.04720.42
5.6.70.0030.06020.42
5.6.60.0000.04320.33
5.6.50.0000.07020.45
5.6.40.0030.04020.43
5.6.30.0070.03720.39
5.6.20.0030.04020.38
5.6.10.0030.04020.49
5.6.00.0000.04020.36
5.5.380.0000.07020.40
5.5.370.0100.04720.36
5.5.360.0100.05720.41
5.5.350.0170.07020.42
5.5.340.0070.08020.92
5.5.330.0170.04020.76
5.5.320.0100.08020.89
5.5.310.0070.08320.92
5.5.300.0100.07720.86
5.5.290.0100.07020.83
5.5.280.0170.07720.78
5.5.270.0130.05320.91
5.5.260.0100.04320.79
5.5.250.0000.04320.45
5.5.240.0030.05720.30
5.5.230.0000.04020.18
5.5.220.0100.06720.25
5.5.210.0000.04720.25
5.5.200.0100.03320.25
5.5.190.0030.04020.25
5.5.180.0070.03320.23
5.5.160.0100.04020.11
5.5.150.0000.05720.24
5.5.140.0130.05720.28
5.5.130.0070.03720.25
5.5.120.0000.04320.26
5.5.110.0000.04320.14
5.5.100.0030.04020.08
5.5.90.0100.03320.11
5.5.80.0200.06320.07
5.5.70.0070.03720.15
5.5.60.0070.03720.01
5.5.50.0000.05020.12
5.5.40.0030.03720.14
5.5.30.0100.07320.02
5.5.20.0100.07720.08
5.5.10.0070.03720.07
5.5.00.0100.07020.02
5.4.450.0030.05019.21
5.4.440.0130.07319.48
5.4.430.0070.04019.27
5.4.420.0070.03719.23
5.4.410.0000.04019.20
5.4.400.0000.03719.05
5.4.390.0070.04319.14
5.4.380.0070.05318.88
5.4.370.0070.05019.13
5.4.360.0000.06019.09
5.4.350.0030.04719.05
5.4.340.0100.03318.85
5.4.320.0130.02718.85
5.4.310.0000.04019.05
5.4.300.0000.04018.95
5.4.290.0100.03719.15
5.4.280.0070.03719.03
5.4.270.0100.03018.95
5.4.260.0030.05018.85
5.4.250.0000.03719.21
5.4.240.0030.03719.22
5.4.230.0000.04018.89
5.4.220.0070.03319.16
5.4.210.0030.04019.15
5.4.200.0030.03718.91
5.4.190.0100.03019.13
5.4.180.0070.08019.02
5.4.170.0030.06719.17
5.4.160.0070.06719.02
5.4.150.0100.04719.02
5.4.140.0000.07316.43
5.4.130.0030.07716.25
5.4.120.0030.08016.34
5.4.110.0130.05016.29
5.4.100.0030.04716.43
5.4.90.0130.06316.39
5.4.80.0070.07016.46
5.4.70.0100.06016.50
5.4.60.0100.07016.34
5.4.50.0030.07716.48
5.4.40.0070.07016.54
5.4.30.0070.05716.48
5.4.20.0070.06316.33
5.4.10.0000.07716.30
5.4.00.0030.05715.69
5.3.290.0030.04714.59
5.3.280.0070.03314.57
5.3.270.0000.04314.71
5.3.260.0100.07014.75
5.3.250.0070.06314.59
5.3.240.0100.07314.72
5.3.230.0030.07714.64
5.3.220.0100.07314.67
5.3.210.0070.04014.55
5.3.200.0130.06714.52
5.3.190.0000.06714.70
5.3.180.0030.04714.53
5.3.170.0130.03714.51
5.3.160.0070.07014.66
5.3.150.0000.07014.58
5.3.140.0130.05314.61
5.3.130.0000.07714.68
5.3.120.0100.07014.47
5.3.110.0100.07314.56
5.3.100.0030.08014.05
5.3.90.0030.08014.11
5.3.80.0000.08014.08
5.3.70.0100.07013.96
5.3.60.0030.07714.05
5.3.50.0070.07314.06
5.3.40.0100.07013.83
5.3.30.0100.06713.93
5.3.20.0070.07013.60
5.3.10.0100.06713.63
5.3.00.0100.06713.66
5.2.170.0130.05011.17
5.2.160.0070.05011.07
5.2.150.0030.03711.16
5.2.140.0130.05311.05
5.2.130.0100.04711.09
5.2.120.0070.06011.16
5.2.110.0100.05311.16
5.2.100.0070.06311.12
5.2.90.0030.06011.08
5.2.80.0030.05711.01
5.2.70.0070.06011.07
5.2.60.0030.06311.05
5.2.50.0030.03710.93
5.2.40.0000.03711.08
5.2.30.0070.05711.03
5.2.20.0030.03710.90
5.2.10.0000.06710.91
5.2.00.0100.05010.73
5.1.60.0070.0479.99
5.1.50.0030.05310.06
5.1.40.0070.04310.09
5.1.30.0170.04310.44
5.1.20.0000.06010.46
5.1.10.0030.05010.14
5.1.00.0100.05010.10
5.0.50.0070.0338.86
5.0.40.0070.0408.86
5.0.30.0070.0578.86
5.0.20.0070.0408.86
5.0.10.0030.0378.86
5.0.00.0100.0608.86
4.4.90.0100.0278.86
4.4.80.0030.0178.86
4.4.70.0030.0338.86
4.4.60.0030.0338.86
4.4.50.0030.0378.86
4.4.40.0000.0538.86
4.4.30.0100.0178.86
4.4.20.0000.0408.86
4.4.10.0000.0308.86
4.4.00.0030.0478.86
4.3.110.0070.0338.86
4.3.100.0000.0338.86
4.3.90.0030.0338.86
4.3.80.0030.0308.86
4.3.70.0030.0338.86
4.3.60.0000.0378.86
4.3.50.0100.0278.86
4.3.40.0030.0508.86
4.3.30.0000.0338.86
4.3.20.0000.0308.86
4.3.10.0030.0138.86
4.3.00.0000.0208.86

preferences:
38.59 ms | 400 KiB | 5 Q