3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I { public function get_i(); } class II implements I { public function get_i() { return 'II'; } } var_dump(is_subclass_of('II', 'I'));

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)
8.3.40.0070.00718.58
8.3.30.0130.00318.95
8.3.20.0090.00020.31
8.3.10.0000.00823.65
8.3.00.0050.00319.14
8.2.170.0130.00722.96
8.2.160.0100.00320.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00320.89
8.2.110.0080.00319.21
8.2.100.0060.00617.91
8.2.90.0030.00518.93
8.2.80.0030.00517.97
8.2.70.0030.00617.36
8.2.60.0040.00418.04
8.2.50.0030.00718.07
8.2.40.0040.00421.22
8.2.30.0040.00418.19
8.2.20.0040.00417.61
8.2.10.0050.00218.06
8.2.00.0040.00417.61
8.1.270.0090.00022.14
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00321.21
8.1.230.0060.00617.42
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0060.00317.10
8.1.180.0030.00619.01
8.1.170.0040.00418.27
8.1.160.0070.00022.07
8.1.150.0070.00018.50
8.1.140.0030.00617.42
8.1.130.0030.00317.66
8.1.120.0030.00417.42
8.1.110.0070.00017.38
8.1.100.0000.00717.40
8.1.90.0080.00317.32
8.1.80.0040.00417.42
8.1.70.0030.00317.36
8.1.60.0000.00817.54
8.1.50.0000.00817.48
8.1.40.0030.00517.49
8.1.30.0030.00517.49
8.1.20.0050.00217.66
8.1.10.0040.00417.32
8.1.00.0060.00317.29
8.0.300.0000.00718.77
8.0.290.0020.00516.63
8.0.280.0000.00718.43
8.0.270.0070.00017.22
8.0.260.0060.00018.43
8.0.250.0000.00716.89
8.0.240.0070.00016.84
8.0.230.0070.00016.88
8.0.220.0070.00016.70
8.0.210.0030.00316.77
8.0.200.0000.00616.90
8.0.190.0030.00316.79
8.0.180.0000.00716.74
8.0.170.0040.00416.72
8.0.160.0040.00416.67
8.0.150.0070.00016.82
8.0.140.0040.00416.67
8.0.130.0000.00613.24
8.0.120.0040.00416.74
8.0.110.0020.00516.82
8.0.100.0080.00016.80
8.0.90.0000.00716.87
8.0.80.0130.00616.86
8.0.70.0000.00716.79
8.0.60.0070.00016.81
8.0.50.0000.00816.69
8.0.30.0150.00916.98
8.0.20.0140.00417.40
8.0.10.0050.00316.84
8.0.00.0060.01416.75
7.4.330.0030.00315.00
7.4.320.0040.00416.45
7.4.300.0030.00316.29
7.4.290.0040.00416.47
7.4.280.0000.00816.42
7.4.270.0070.00016.39
7.4.260.0040.00416.55
7.4.250.0040.00416.35
7.4.240.0030.00416.37
7.4.230.0070.00016.26
7.4.220.0070.01016.32
7.4.210.0050.01216.46
7.4.200.0030.00316.18
7.4.190.0000.00716.44
7.4.160.0110.00416.59
7.4.150.0120.01217.40
7.4.140.0100.00917.86
7.4.130.0050.01216.42
7.4.120.0110.00716.31
7.4.110.0170.00016.48
7.4.100.0070.01116.38
7.4.90.0070.01016.21
7.4.80.0160.00819.39
7.4.70.0120.00616.43
7.4.60.0030.01416.28
7.4.50.0040.00416.20
7.4.40.0070.01016.37
7.4.30.0130.00316.47
7.4.00.0030.01014.89
7.3.330.0020.00212.98
7.3.320.0000.00513.24
7.3.310.0000.00715.98
7.3.300.0000.00716.21
7.3.290.0110.00716.18
7.3.280.0080.01016.23
7.3.270.0080.01017.40
7.3.260.0130.00316.16
7.3.250.0090.01016.40
7.3.240.0110.01116.43
7.3.230.0060.00916.41
7.3.210.0130.01016.47
7.3.200.0060.01116.33
7.3.190.0120.00916.35
7.3.180.0040.01416.34
7.3.170.0000.01516.31
7.3.160.0090.00616.23
7.3.120.0000.01414.79
7.2.330.0090.00916.65
7.2.320.0110.00516.64
7.2.310.0090.00916.53
7.2.300.0030.01316.69
7.2.290.0070.01016.66
7.2.00.0080.00819.25
7.1.100.0000.01317.89
7.1.70.0030.00616.78
7.1.60.0090.01619.46
7.1.50.0030.02116.52
7.1.00.0070.07322.57
7.0.200.0070.00416.29
7.0.140.0000.07722.00
7.0.60.0070.08019.88
7.0.50.0130.07317.95
7.0.40.0000.04720.08
7.0.30.0270.07020.30
7.0.20.0330.07020.16
7.0.10.0000.05720.29
7.0.00.0000.05020.06
5.6.280.0070.07020.89
5.6.210.0070.07320.60
5.6.200.0130.07318.29
5.6.190.0070.04020.68
5.6.180.0270.04320.41
5.6.170.0370.06320.52
5.6.160.0030.04720.39
5.6.150.0070.04318.15
5.6.140.0030.05018.15
5.6.130.0100.08018.26
5.6.120.0070.09021.13
5.6.110.0200.07321.04
5.6.100.0230.06721.01
5.6.90.0100.07721.13
5.6.80.0030.04720.38
5.5.350.0170.07320.36
5.5.340.0100.04017.98
5.5.330.0070.04020.47
5.5.320.0330.06020.28
5.5.310.0270.07320.34
5.5.300.0030.08717.97
5.5.290.0070.04718.01
5.5.280.0070.06320.88
5.5.270.0000.04720.95
5.5.260.0200.07020.77
5.5.250.0130.07320.61
5.5.240.0000.08020.04
5.4.450.0570.05319.20
5.4.440.0570.06719.29
5.4.430.0100.05319.44
5.4.420.0070.06319.54
5.4.410.0030.06318.72
5.4.400.0070.06718.77
5.4.390.0130.04718.80
5.4.380.0070.05718.50
5.4.370.0030.04718.80
5.4.360.0230.04018.52
5.4.350.0070.03912.02
5.4.340.0200.06812.02
5.4.320.0070.04112.50
5.4.310.0100.04512.50
5.4.300.0090.05012.50
5.4.290.0100.05312.50
5.4.280.0070.05212.39
5.4.270.0120.04612.39
5.4.260.0080.05412.40
5.4.250.0090.05412.40
5.4.240.0110.05112.39
5.4.230.0120.05112.39
5.4.220.0120.05012.39
5.4.210.0090.05112.39
5.4.200.0110.05012.38
5.4.190.0070.05312.38
5.4.180.0070.05412.38
5.4.170.0040.05712.39
5.4.160.0130.04712.39
5.4.150.0060.05512.39
5.4.140.0120.05312.07
5.4.130.0220.03812.05
5.4.120.0070.05712.01
5.4.110.0040.04112.01
5.4.100.0050.03812.01
5.4.90.0080.03512.01
5.4.80.0080.04112.01
5.4.70.0090.04612.01
5.4.60.0040.04212.01
5.4.50.0080.03912.00
5.4.40.0090.03912.00
5.4.30.0060.04911.99
5.4.20.0100.04911.99
5.4.10.0120.04711.99
5.4.00.0220.09511.48
5.3.290.0060.04012.80
5.3.280.0140.06512.71
5.3.270.0080.04612.72
5.3.260.0110.04512.72
5.3.250.0070.04612.72
5.3.240.0110.04412.72
5.3.230.0070.04712.71
5.3.220.0070.04512.68
5.3.210.0100.04712.68
5.3.200.0080.04912.68
5.3.190.0080.05312.68
5.3.180.0100.04912.67
5.3.170.0140.06212.67
5.3.160.0070.05712.67
5.3.150.0110.04112.67
5.3.140.0120.04712.66
5.3.130.0070.08712.66
5.3.120.0070.09512.66
5.3.110.0140.07012.66
5.3.100.0070.05712.12
5.3.90.0110.03512.10
5.3.80.0120.04612.10
5.3.70.0040.04112.10
5.3.60.0060.05012.08
5.3.50.0100.04112.02
5.3.40.0080.05412.03
5.3.30.0120.04811.98
5.3.20.0110.06611.76
5.3.10.0110.05511.73
5.3.00.0120.04811.72
5.2.170.0070.0369.23
5.2.160.0060.0349.23
5.2.150.0060.0369.22
5.2.140.0090.0339.22
5.2.130.0080.0469.18
5.2.120.0070.0459.18
5.2.110.0050.0429.18
5.2.100.0110.0469.18
5.2.90.0110.0449.18
5.2.80.0090.0479.17
5.2.70.0050.0519.18
5.2.60.0110.0789.13
5.2.50.0070.0749.10
5.2.40.0040.0459.08
5.2.30.0050.0399.05
5.2.20.0120.0429.03
5.2.10.0070.0298.94
5.2.00.0150.0538.80
5.1.60.0100.0408.09
5.1.50.0170.0438.09
5.1.40.0080.0238.07
5.1.30.0040.0278.41
5.1.20.0050.0288.44
5.1.10.0050.0308.17
5.1.00.0070.0258.17
5.0.50.0060.0246.64
5.0.40.0050.0176.50
5.0.30.0040.0356.31
5.0.20.0050.0246.28
5.0.10.0030.0286.25
5.0.00.0020.0386.25
4.4.90.0040.0204.78
4.4.80.0040.0204.76
4.4.70.0040.0204.76
4.4.60.0030.0204.75
4.4.50.0050.0194.77
4.4.40.0020.0334.71
4.4.30.0020.0214.76
4.4.20.0050.0184.84
4.4.10.0030.0204.85
4.4.00.0050.0284.76
4.3.110.0040.0214.67
4.3.100.0030.0214.66
4.3.90.0020.0224.63
4.3.80.0040.0304.58
4.3.70.0030.0204.63
4.3.60.0060.0174.63
4.3.50.0030.0214.63
4.3.40.0020.0304.54
4.3.30.0050.0363.29
4.3.20.0030.0153.26
4.3.10.0020.0163.22
4.3.00.0130.0206.86

preferences:
51.32 ms | 400 KiB | 5 Q