3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (checkdnsrr('example')) echo 'valid'; else echo 'invalid';

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)
8.3.40.0000.01519.05
8.3.30.0040.01219.07
8.3.20.0080.00020.66
8.3.10.0040.00422.15
8.3.00.0080.00017.90
8.2.170.0070.00722.96
8.2.160.0100.00320.58
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00421.29
8.2.110.0000.00922.50
8.2.100.0080.00317.91
8.2.90.0080.00019.34
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0030.00518.34
8.2.30.0030.00618.06
8.2.20.0080.00017.79
8.2.10.0030.00518.20
8.2.00.0040.00417.79
8.1.270.0050.00324.09
8.1.260.0070.00026.35
8.1.250.0070.00728.09
8.1.240.0030.00623.96
8.1.230.0000.01119.05
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0060.00317.24
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0040.00418.78
8.1.160.0050.00222.01
8.1.150.0000.00818.91
8.1.140.0040.00417.51
8.1.130.0030.00317.90
8.1.120.0050.00217.44
8.1.110.0000.00817.32
8.1.100.0000.00817.30
8.1.90.0040.00817.50
8.1.80.0040.00417.41
8.1.70.0030.00317.34
8.1.60.0040.00417.54
8.1.50.0040.00417.48
8.1.40.0030.00517.38
8.1.30.0000.00917.58
8.1.20.0030.00517.51
8.1.10.0040.00417.54
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.41
8.0.270.0000.00817.40
8.0.260.0030.00317.30
8.0.250.0030.00316.91
8.0.240.0000.00616.86
8.0.230.0040.00416.92
8.0.220.0030.00316.95
8.0.210.0070.00016.94
8.0.200.0000.00717.00
8.0.190.0030.00317.01
8.0.180.0000.00816.84
8.0.170.0030.00516.75
8.0.160.0050.00216.95
8.0.150.0080.00016.88
8.0.140.0070.00016.77
8.0.130.0050.00013.27
8.0.120.0030.00516.70
8.0.110.0040.00416.98
8.0.100.0000.00716.80
8.0.90.0070.00016.77
8.0.80.0080.00816.81
8.0.70.0070.00016.82
8.0.60.0000.00816.87
8.0.50.0080.00016.90
8.0.30.0090.01117.22
8.0.20.0130.00617.40
8.0.10.0040.00416.82
8.0.00.0090.00916.75
7.4.330.0060.00015.00
7.4.320.0050.00216.42
7.4.300.0030.00316.56
7.4.290.0030.00316.46
7.4.280.0040.00416.60
7.4.270.0030.00316.54
7.4.260.0020.00516.50
7.4.250.0060.00316.48
7.4.240.0020.00516.43
7.4.230.0030.00316.46
7.4.220.0130.01316.53
7.4.210.0040.01116.43
7.4.200.0030.00316.45
7.4.160.0090.00616.52
7.4.150.0060.01317.40
7.4.140.0050.01217.86
7.4.130.0130.01316.42
7.4.120.0100.00716.58
7.4.110.0070.01416.43
7.4.100.0140.00716.34
7.4.90.0080.01116.62
7.4.80.0130.01019.39
7.4.70.0100.00716.57
7.4.60.0110.00716.66
7.4.50.0000.00816.53
7.4.40.0100.01016.50
7.4.30.0110.00616.59
7.4.00.0080.00814.84
7.3.330.0000.00613.11
7.3.320.0000.00513.33
7.3.310.0000.00716.34
7.3.300.0030.00316.29
7.3.290.0120.00316.28
7.3.280.0100.00716.31
7.3.270.0030.01317.40
7.3.260.0070.01016.61
7.3.240.0070.01016.29
7.3.230.0090.00616.39
7.3.210.0090.00916.18
7.3.200.0140.00319.39
7.3.190.0090.01216.60
7.3.180.0070.01316.23
7.3.170.0120.00316.57
7.3.160.0120.00316.50
7.3.120.0120.00014.87
7.2.330.0100.01016.42
7.2.320.0030.01316.25
7.2.310.0130.00316.63
7.2.300.0040.01316.68
7.2.290.0090.00616.68
7.2.00.0030.01319.36
7.1.100.0030.01217.92
7.1.70.0030.00617.09
7.1.60.0110.01419.25
7.1.50.0070.01416.88
7.1.00.0070.07322.37
7.0.200.0030.00316.63
7.0.140.0030.07322.13
7.0.60.0070.06020.02
7.0.50.0100.07717.97
7.0.40.0130.08320.21
7.0.30.0230.04020.24
7.0.20.0230.04720.25
7.0.10.0130.08020.24
7.0.00.0170.04720.30
5.6.280.0000.07721.20
5.6.210.0170.07320.75
5.6.200.0000.04318.34
5.6.190.0030.08320.60
5.6.180.0230.04720.66
5.6.170.0300.06720.63
5.6.160.0130.03320.53
5.6.150.0100.06318.22
5.6.140.0100.07018.19
5.6.130.0030.04318.23
5.6.120.0070.08321.04
5.6.110.0100.08021.00
5.6.100.0000.06321.07
5.6.90.0130.07321.03
5.6.80.0030.05020.44
5.5.350.4170.03720.35
5.5.340.0130.07318.03
5.5.330.0130.07720.38
5.5.320.0200.03320.37
5.5.310.0200.08020.45
5.5.300.0000.05318.10
5.5.290.0070.04718.13
5.5.280.0070.07720.86
5.5.270.0030.08720.84
5.5.260.0030.06320.91
5.5.250.0070.06320.84
5.5.240.0000.08020.24
5.4.450.0200.06019.57
5.4.440.0030.06319.49
5.4.430.0670.05319.30
5.4.420.0800.05019.61
5.4.410.0730.04019.49
5.4.400.0700.05718.97
5.4.390.0670.06719.11
5.4.380.0070.05318.77
5.4.370.0130.05018.59
5.4.360.0030.04018.71
5.4.350.0090.03212.06
5.4.340.0220.07212.05
5.4.320.0060.03612.54
5.4.310.0110.04212.54
5.4.300.0050.03712.54
5.4.290.0090.04012.54
5.4.280.0090.03512.43
5.4.270.0040.04112.43
5.4.260.0090.03812.44
5.4.250.0030.04212.43
5.4.240.0040.03912.43
5.4.230.0110.03312.43
5.4.220.0050.04012.42
5.4.210.0050.04312.43
5.4.200.0070.04012.43
5.4.190.0050.03812.42
5.4.180.0040.03812.42
5.4.170.0030.04012.43
5.4.160.0020.04012.43
5.4.150.0050.03712.43
5.4.140.0070.03712.11
5.4.130.0040.03812.09
5.4.120.0040.03712.05
5.4.110.0060.03612.05
5.4.100.0030.03812.05
5.4.90.0070.03712.05
5.4.80.0030.04012.05
5.4.70.0030.04112.04
5.4.60.0080.03312.04
5.4.50.0080.04112.04
5.4.40.0060.03612.03
5.4.30.0020.03912.03
5.4.20.0080.03412.03
5.4.10.0070.03412.03
5.4.00.0080.03611.52
5.3.290.0110.03412.80
5.3.280.0080.03812.71
5.3.270.0090.03712.73
5.3.260.0080.03912.73
5.3.250.0100.03512.72
5.3.240.0060.03912.72
5.3.230.0080.03712.71
5.3.220.0030.04312.69
5.3.210.0070.03812.68
5.3.200.0120.03512.68
5.3.190.0060.03812.68
5.3.180.0100.03412.68
5.3.170.0080.03912.68
5.3.160.0060.03812.68
5.3.150.0060.03912.68
5.3.140.0050.03812.67
5.3.130.0060.04012.66
5.3.120.0070.04012.66
5.3.110.0080.03812.66
5.3.100.0110.03412.15
5.3.90.0060.03912.14
5.3.80.0080.04212.13
5.3.70.0060.04012.13
5.3.60.0050.03912.11
5.3.50.0100.03212.06
5.3.40.0060.03812.05
5.3.30.0070.03412.02
5.3.20.0040.03811.80
5.3.10.0080.03311.76
5.3.00.0060.03611.75
5.2.170.0050.0319.25
5.2.160.0080.0269.25
5.2.150.0020.0349.25
5.2.140.0050.0319.24
5.2.130.0080.0279.21
5.2.120.0030.0319.20
5.2.110.0040.0309.21
5.2.100.0040.0339.21
5.2.90.0050.0329.21
5.2.80.0040.0319.21
5.2.70.0030.0329.20
5.2.60.0020.0329.16
5.2.50.0040.0319.13
5.2.40.0070.0299.11
5.2.30.0080.0329.09
5.2.20.0050.0369.07
5.2.10.0050.0348.97
5.2.00.0050.0298.83
5.1.60.0030.0258.12
5.1.50.0060.0248.11
5.1.40.0060.0238.10
5.1.30.0020.0298.45
5.1.20.0060.0248.46
5.1.10.0050.0258.19
5.1.00.0050.0258.20
5.0.50.0050.0206.67
5.0.40.0020.0226.53
5.0.30.0030.0326.34
5.0.20.0050.0196.31
5.0.10.0040.0196.29
5.0.00.0040.0316.28
4.4.90.0050.0144.78
4.4.80.0040.0154.76
4.4.70.0030.0164.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0000.0284.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0030.0154.85
4.4.00.0010.0264.76
4.3.110.0030.0154.67
4.3.100.0030.0144.67
4.3.90.0030.0144.63
4.3.80.0050.0224.59
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0050.0144.63
4.3.40.0020.0254.54
4.3.30.0030.0153.33
4.3.20.0020.0173.31
4.3.10.0000.0183.27
4.3.00.0030.0207.82

preferences:
38.71 ms | 400 KiB | 5 Q