3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testArray = array( 'sub1.sub2.example.co.uk', 'sub1.example.com', 'example.com', 'sub1.sub2.sub3.example.co.uk', 'sub1.sub2.sub3.example.com', 'sub1.sub2.example.com' ); foreach($testArray as $k => $v) { echo $k." => ".extract_subdomains($v)."\n"; } function extract_domain($domain) { if(preg_match("/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i", $domain, $matches)) { return $matches['domain']; } else { return $domain; } } function extract_subdomains($domain) { $subdomains = $domain; $domain = extract_domain($subdomains); $subdomains = rtrim(strstr($subdomains, $domain, true), '.'); return $subdomains; }

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)
8.3.40.0090.00919.00
8.3.30.0140.00019.25
8.3.20.0040.00420.22
8.3.10.0080.00023.53
8.3.00.0090.00017.74
8.2.170.0110.00422.96
8.2.160.0150.00020.52
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0070.00020.91
8.2.110.0060.00322.38
8.2.100.0070.00417.97
8.2.90.0000.00818.92
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0100.00018.22
8.2.30.0040.00418.23
8.2.20.0080.00018.00
8.2.10.0030.00618.12
8.2.00.0000.00717.82
8.1.270.0040.00423.88
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.01023.87
8.1.230.0040.00719.15
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0000.01118.61
8.1.160.0040.00422.15
8.1.150.0070.00018.92
8.1.140.0000.00717.62
8.1.130.0000.00817.85
8.1.120.0000.00717.52
8.1.110.0000.00817.51
8.1.100.0040.00417.51
8.1.90.0000.00717.68
8.1.80.0000.00817.64
8.1.70.0030.00317.58
8.1.60.0040.00417.65
8.1.50.0040.00417.67
8.1.40.0040.00417.67
8.1.30.0050.00317.86
8.1.20.0000.00817.69
8.1.10.0000.00817.71
8.1.00.0030.00517.71
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.48
8.0.270.0040.00417.24
8.0.260.0030.00317.29
8.0.250.0070.00017.11
8.0.240.0030.00317.13
8.0.230.0000.00717.02
8.0.220.0000.00717.01
8.0.210.0000.00717.05
8.0.200.0000.00717.18
8.0.190.0070.00017.07
8.0.180.0000.00717.00
8.0.170.0040.00416.96
8.0.160.0000.00717.14
8.0.150.0000.01217.02
8.0.140.0080.00016.89
8.0.130.0030.00313.43
8.0.120.0030.00517.00
8.0.110.0040.00417.03
8.0.100.0030.00617.01
8.0.90.0000.00717.02
8.0.80.0000.01517.03
8.0.70.0040.00416.84
8.0.60.0080.00017.05
8.0.50.0080.00017.05
8.0.30.0130.00617.19
8.0.20.0130.01317.50
8.0.10.0000.00717.07
8.0.00.0100.00817.18
7.4.330.0000.00615.07
7.4.320.0030.00516.77
7.4.300.0030.00316.79
7.4.290.0030.00316.74
7.4.280.0050.00316.79
7.4.270.0040.00416.72
7.4.260.0030.00316.82
7.4.250.0040.00416.70
7.4.240.0020.00516.84
7.4.230.0070.00016.57
7.4.220.0160.00316.91
7.4.210.0150.00616.87
7.4.200.0050.00316.48
7.4.160.0110.00616.60
7.4.150.0140.00317.40
7.4.140.0120.00717.86
7.4.130.0090.01016.64
7.4.120.0140.00416.70
7.4.110.0090.01316.81
7.4.100.0090.01116.63
7.4.90.0090.01216.98
7.4.80.0120.00919.39
7.4.70.0040.01516.83
7.4.60.0110.01116.66
7.4.50.0040.00016.59
7.4.40.0100.00616.45
7.4.30.0090.00616.66
7.4.00.0030.01415.10
7.3.330.0030.00313.54
7.3.320.0060.00013.34
7.3.310.0000.00816.38
7.3.300.0030.00316.45
7.3.290.0060.00816.51
7.3.280.0090.00716.53
7.3.270.0180.00317.40
7.3.260.0000.01916.54
7.3.250.0140.00316.56
7.3.240.0080.01216.54
7.3.230.0100.00716.55
7.3.210.0160.00416.48
7.3.200.0090.00919.39
7.3.190.0090.00916.65
7.3.180.0130.00416.54
7.3.170.0060.01116.75
7.3.160.0060.00916.76
7.2.330.0110.00716.74
7.2.320.0120.01216.80
7.2.310.0070.01416.88
7.2.300.0030.01416.91
7.2.290.0100.00616.77
7.2.00.0030.01319.58
7.1.100.0040.00718.43
7.1.70.0040.00417.55
7.1.60.0090.01519.40
7.1.50.0090.00917.19
7.1.00.0030.07722.37
7.0.200.0620.00914.83
7.0.140.0000.07722.00
7.0.60.0030.05321.72
7.0.50.0030.07017.98
7.0.40.0100.03720.23
7.0.30.0270.07320.35
7.0.20.0400.06320.34
7.0.10.0130.08320.35
7.0.00.0070.05720.32
5.6.280.0100.07021.13
5.6.210.0070.08020.63
5.6.200.0100.03718.23
5.6.190.0100.04320.27
5.6.180.4900.05020.77
5.6.170.0270.07020.54
5.6.160.0070.07720.50
5.6.150.0030.09018.22
5.6.140.0000.04318.16
5.6.130.0000.04718.14
5.6.120.0030.09320.94
5.6.110.0070.06021.00
5.6.100.0070.06321.09
5.6.90.0070.08721.00
5.6.80.0100.07720.30
5.5.350.0370.07320.34
5.5.340.0130.06018.01
5.5.330.0070.07320.35
5.5.320.0130.04320.20
5.5.310.0270.07720.34
5.5.300.0030.04317.96
5.5.290.0070.03717.98
5.5.280.0000.04320.78
5.5.270.0100.03720.80
5.5.260.0100.04020.88
5.5.250.0070.08320.70
5.5.240.0100.06320.20
5.4.450.0700.05019.57
5.4.440.0170.06019.61
5.4.430.0200.08719.16
5.4.420.0200.05719.59
5.4.410.0370.06019.06
5.4.400.0170.05019.26
5.4.390.0070.06019.28
5.4.380.0830.06318.73
5.4.370.1070.04318.74
5.4.360.0800.05018.74
5.4.350.0430.06318.73
5.4.340.0930.05318.73
5.4.320.0060.03812.50
5.4.310.0040.04112.50
5.4.300.0060.03612.51
5.4.290.0030.04012.51
5.4.280.0070.03412.40
5.4.270.0070.03512.41
5.4.260.0050.03912.40
5.4.250.0070.03612.40
5.4.240.0050.03712.40
5.4.230.0040.04012.39
5.4.220.0040.03712.39
5.4.210.0040.03812.39
5.4.200.0070.03912.40
5.4.190.0040.03712.39
5.4.180.0040.03812.39
5.4.170.0110.03212.40
5.4.160.0050.03812.39
5.4.150.0090.03512.39
5.4.140.0070.03712.07
5.4.130.0080.03312.06
5.4.120.0040.03612.02
5.4.110.0090.03812.02
5.4.100.0070.04012.01
5.4.90.0050.03712.01
5.4.80.0050.04312.02
5.4.70.0040.04512.01
5.4.60.0070.03512.00
5.4.50.0070.03412.01
5.4.40.0100.03512.00
5.4.30.0070.03311.99
5.4.20.0030.03811.99
5.4.10.0060.03512.00
5.4.00.0040.03711.48
5.3.290.0060.03912.80
5.3.280.0060.04812.71
5.3.270.0070.03912.73
5.3.260.0070.04212.72
5.3.250.0040.04112.72
5.3.240.0060.03612.71
5.3.230.0040.03912.71
5.3.220.0030.03912.68
5.3.210.0060.03812.68
5.3.200.0060.03612.68
5.3.190.0050.03712.68
5.3.180.0050.03812.67
5.3.170.0070.03612.67
5.3.160.0050.03712.67
5.3.150.0060.03712.68
5.3.140.0070.03612.66
5.3.130.0050.04112.66
5.3.120.0080.03712.66
5.3.110.0070.03812.66
5.3.100.0030.03912.13
5.3.90.0040.03812.11
5.3.80.0030.03912.11
5.3.70.0050.03712.11
5.3.60.0060.03612.09
5.3.50.0030.03912.04
5.3.40.0060.03712.04
5.3.30.0050.03612.00
5.3.20.0060.03711.78
5.3.10.0040.03711.74
5.3.00.0040.04111.73
5.2.170.0070.0379.23
5.2.160.0020.0319.23
5.2.150.0070.0289.24
5.2.140.0070.0299.23
5.2.130.0050.0309.19
5.2.120.0040.0299.19
5.2.110.0080.0269.20
5.2.100.0040.0309.20
5.2.90.0040.0379.20
5.2.80.0050.0309.20
5.2.70.0050.0299.19
5.2.60.0040.0309.14
5.2.50.0060.0289.11
5.2.40.0060.0279.10
5.2.30.0040.0299.07
5.2.20.0070.0259.07
5.2.10.0030.0288.95
5.2.00.0040.0298.81
5.1.60.0020.0268.10
5.1.50.0060.0238.09
5.1.40.0090.0208.07
5.1.30.0050.0248.42
5.1.20.0070.0238.44
5.1.10.0000.0298.17
5.1.00.0100.0298.17
5.0.50.0050.0196.65
5.0.40.0050.0186.51
5.0.30.0030.0326.32
5.0.20.0030.0206.29
5.0.10.0020.0216.27
5.0.00.0010.0326.26
4.4.90.0010.0174.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0164.75
4.4.20.0000.0184.84
4.4.10.0020.0164.85
4.4.00.0040.0294.76
4.3.110.0030.0164.67
4.3.100.0010.0194.67
4.3.90.0050.0134.63
4.3.80.0020.0264.59
4.3.70.0020.0164.63
4.3.60.0040.0134.63
4.3.50.0000.0184.62
4.3.40.0020.0254.53
4.3.30.0030.0183.32
4.3.20.0010.0233.29
4.3.10.0020.0163.25
4.3.00.0030.01715.98

preferences:
40.45 ms | 400 KiB | 5 Q