3v4l.org

run code in 300+ PHP versions simultaneously
<?php $domain_name = "ελληνικά.idn.icann.org"; $domain_name = idn_to_ascii($domain_name); function is_valid_domain_name($domain_name) { return (preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $domain_name) //valid chars check && preg_match("/^.{1,253}$/", $domain_name) //overall length check && preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $domain_name) ); //length of each label } echo is_valid_domain_name($domain_name) ? "Domain is valid." : "Domain is not valid."; ?>

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)
8.3.60.0140.00419.43
8.3.50.0070.01221.59
8.3.40.0070.00719.71
8.3.30.0070.01419.77
8.3.20.0050.00320.75
8.3.10.0030.00524.57
8.3.00.0060.00620.38
8.2.180.0160.00617.63
8.2.170.0140.00022.96
8.2.160.0100.00321.10
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00823.23
8.2.110.0100.01320.12
8.2.100.0060.00618.78
8.2.90.0040.00420.07
8.2.80.0000.00918.75
8.2.70.0060.00318.63
8.2.60.0050.00518.68
8.2.50.0090.00018.80
8.2.40.0040.00423.24
8.2.30.0000.00821.81
8.2.20.0070.00018.66
8.2.10.0030.00618.88
8.2.00.0100.00018.78
8.1.280.0170.00325.92
8.1.270.0080.00022.89
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00324.77
8.1.230.0030.00918.58
8.1.220.0030.00518.63
8.1.210.0050.00318.77
8.1.200.0030.00918.23
8.1.190.0030.00618.28
8.1.180.0000.00818.27
8.1.170.0040.00422.77
8.1.160.0040.00419.77
8.1.150.0000.00819.73
8.1.140.0040.00418.36
8.1.130.0000.00718.73
8.1.120.0040.00418.51
8.1.110.0030.00618.30
8.1.100.0040.00418.34
8.1.90.0040.00418.33
8.1.80.0040.00418.34
8.1.70.0070.00018.37
8.1.60.0000.00918.59
8.1.50.0100.00018.53
8.1.40.0000.00718.43
8.1.30.0040.00418.49
8.1.20.0040.00418.50
8.1.10.0050.00518.46
8.1.00.0000.00818.36
8.0.300.0050.01018.77
8.0.290.0090.00017.88
8.0.280.0000.00819.22
8.0.270.0000.00718.03
8.0.260.0040.00418.09
8.0.250.0030.00317.84
8.0.240.0030.00317.80
8.0.230.0050.00217.79
8.0.220.0030.00317.73
8.0.210.0030.00317.74
8.0.200.0050.00517.76
8.0.190.0000.00817.78
8.0.180.0040.00417.91
8.0.170.0060.00317.94
8.0.160.0070.00017.87
8.0.150.0070.00017.69
8.0.140.0000.00817.80
8.0.130.0030.00313.28
8.0.120.0030.00617.69
8.0.110.0040.00417.61
8.0.100.0000.00717.79
8.0.90.0030.00517.91
8.0.80.0110.00617.63
8.0.70.0050.00317.93
8.0.60.0020.00517.81
8.0.50.0000.00717.84
8.0.30.0100.00917.96
8.0.20.0100.01018.06
8.0.10.0000.00718.00
8.0.00.0100.00717.52
7.4.330.0030.00315.00
7.4.320.0030.00317.52
7.4.300.0000.00617.48
7.4.290.0030.00517.50
7.4.280.0060.00317.54
7.4.270.0000.00717.47
7.4.260.0000.00717.54
7.4.250.0040.00417.51
7.4.240.0020.00517.55
7.4.230.0070.00017.43
7.4.220.0060.01217.56
7.4.210.0040.01117.54
7.4.200.0030.00417.66
7.4.160.0130.01017.48
7.4.150.0060.01217.54
7.4.140.0080.01117.86
7.4.130.0100.01017.35
7.4.120.0060.01117.56
7.4.110.0130.00317.53
7.4.100.0100.01317.45
7.4.90.0060.01217.52
7.4.80.0090.00919.39
7.4.70.0100.00817.21
7.4.60.0100.00717.42
7.4.50.0050.00317.21
7.4.40.0160.00617.40
7.4.30.0100.00617.42
7.4.00.0100.00716.14
7.3.330.0000.00613.30
7.3.320.0050.00013.31
7.3.310.0000.00717.59
7.3.300.0000.00717.45
7.3.290.0100.00717.54
7.3.280.0070.01117.54
7.3.270.0090.01217.89
7.3.260.0030.01517.89
7.3.240.0140.00817.54
7.3.230.0040.01417.54
7.3.210.0060.02017.57
7.3.200.0100.01019.39
7.3.190.0150.00917.61
7.3.180.0140.00517.48
7.3.170.0040.01517.83
7.3.160.0070.01017.69
7.2.330.0120.01217.91
7.2.320.0110.00717.73
7.2.310.0030.01717.97
7.2.300.0070.01017.79
7.2.290.0070.01117.94
7.2.80.0030.01017.53
7.2.60.0040.01117.80
7.1.200.0040.01116.98
7.1.70.0030.01318.38
7.1.60.0090.01519.32
7.1.50.0140.01018.19
7.1.00.0030.07723.52
7.0.200.1930.00716.09
7.0.140.0070.07023.07
7.0.60.0000.09320.97
7.0.50.0030.09317.89
7.0.40.0000.04720.99
7.0.30.0370.05721.40
7.0.20.0330.07721.18
7.0.10.0200.04020.95
7.0.00.0130.04321.25
5.6.280.0070.07321.97
5.6.210.0070.08721.57
5.6.200.0070.04318.29
5.6.190.0070.04021.58
5.6.180.0300.05721.25
5.6.170.0270.08021.56
5.6.160.0100.07321.34
5.6.150.0100.07718.23
5.6.140.0130.07718.24
5.6.130.0070.04018.17
5.6.120.0170.07721.95
5.6.110.0070.07322.23
5.6.100.0000.04722.02
5.6.90.0130.07321.74
5.6.80.0070.03721.41
5.5.350.0070.05321.61
5.5.340.0070.06717.94
5.5.330.0070.06321.16
5.5.320.0230.05021.36
5.5.310.0570.07321.09
5.5.300.0070.07718.04
5.5.290.0070.07017.91
5.5.280.0070.06721.76
5.5.270.0000.04721.63
5.5.260.0000.04721.89
5.5.250.0000.06721.73
5.5.240.4170.04021.26
5.4.450.0170.05720.40
5.4.440.0130.06020.02
5.4.430.0170.06020.01
5.4.420.0700.00020.32
5.4.410.0670.00020.21
5.4.400.0630.00019.95
5.4.390.0630.00019.91
5.4.380.0670.00020.05
5.4.370.0630.00019.87
5.4.360.0630.00019.97
5.4.350.0670.00019.96
5.4.340.0110.03612.02
5.4.320.0060.05012.50
5.4.310.0110.04412.50
5.4.300.0150.07012.50
5.4.290.0100.04512.50
5.4.280.0050.03912.40
5.4.270.0070.03812.40
5.4.260.0060.04112.40
5.4.250.0070.03912.40
5.4.240.0040.03912.40
5.4.230.0060.04012.39
5.4.220.0050.04212.39
5.4.210.0080.03612.39
5.4.200.0100.03612.39
5.4.190.0080.03712.39
5.4.180.0040.04312.39
5.4.170.0090.03912.39
5.4.160.0110.04012.39
5.4.150.0040.04112.38
5.4.140.0020.04312.07
5.4.130.0090.03912.06
5.4.120.0060.04212.02
5.4.110.0080.04212.01
5.4.100.0100.03512.01
5.4.90.0040.04512.01
5.4.80.0060.03812.02
5.4.70.0030.03812.01
5.4.60.0090.03512.01
5.4.50.0090.04812.01
5.4.40.0110.04112.00
5.4.30.0070.04712.00
5.4.20.0120.06012.00
5.4.10.0060.04412.00
5.4.00.0120.05611.48
5.3.290.0070.06812.80
5.3.280.0110.04512.71
5.3.270.0060.05012.72
5.3.260.0080.05212.72
5.3.250.0100.04412.72
5.3.240.0060.05512.72
5.3.230.0050.04412.71
5.3.220.0060.03812.68
5.3.210.0100.04412.68
5.3.200.0100.04612.68
5.3.190.0060.03812.68
5.3.180.0040.04012.67
5.3.170.0050.03812.67
5.3.160.0080.03712.68
5.3.150.0050.03912.67
5.3.140.0050.03712.66
5.3.130.0100.03712.66
5.3.120.0070.03712.66
5.3.110.0110.04512.66
5.3.100.0060.04112.12
5.3.90.0080.04612.10
5.3.80.0080.04312.09
5.3.70.0090.04212.10
5.3.60.0070.04412.08
5.3.50.0110.03912.02
5.3.40.0100.03512.03
5.3.30.0090.03311.98
5.3.20.0110.03111.77
5.3.10.0060.03611.73
5.3.00.0120.03311.72
5.2.170.0060.0339.22
5.2.160.0050.0309.22
5.2.150.0060.0319.22
5.2.140.0090.0359.22
5.2.130.0120.0459.18
5.2.120.0080.0379.18
5.2.110.0070.0299.18
5.2.100.0060.0289.18
5.2.90.0030.0349.18
5.2.80.0090.0269.17
5.2.70.0040.0319.18
5.2.60.0060.0359.13
5.2.50.0090.0369.10
5.2.40.0130.0329.07
5.2.30.0090.0369.05
5.2.20.0060.0349.05
5.2.10.0120.0428.96
5.2.00.0070.0308.83
5.1.60.0010.0308.11
5.1.50.0120.0688.11
5.1.40.0040.0338.08
5.1.30.0040.0338.43
5.1.20.0060.0298.45
5.1.10.0070.0248.18
5.1.00.0060.0258.18
5.0.50.0060.0196.66
5.0.40.0030.0206.52
5.0.30.0030.0326.33
5.0.20.0040.0256.30
5.0.10.0040.0196.28
5.0.00.0040.0386.27
4.4.90.0030.0174.78
4.4.80.0030.0164.76
4.4.70.0070.0144.76
4.4.60.0030.0164.75
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0060.0154.85
4.4.10.0030.0184.84
4.4.00.0020.0284.76
4.3.110.0050.0184.67
4.3.100.0020.0224.66
4.3.90.0040.0164.64
4.3.80.0050.0254.58
4.3.70.0040.0134.63
4.3.60.0040.0224.62
4.3.50.0040.0184.63
4.3.40.0050.0364.54
4.3.30.0040.0193.31
4.3.20.0030.0223.30
4.3.10.0010.0173.25
4.3.00.0070.0207.62

preferences:
42.55 ms | 401 KiB | 5 Q