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Package blob-domain
Short Description Parse and validate domain names.
License WTFPL
Homepage https://github.com/Blobfolio/blob-domain
Informations about the package blob-domain
blob-domain
blob-domain is a simple PHP library for parsing and validating domain names. It supports the full Public Suffix ruleset, translates Unicode to ASCII or vice versa (if the PHP extension INTL is present), and can break down a host into its constituent parts: subdomain, domain, and suffix.
Table of Contents
- Requirements
- Installation
- Reference
- ::parse_host()
- ::parse_host_parts()
- is_valid()
- is_ascii()
- is_fqdn()
- is_ip()
- is_unicode()
- has_dns()
- strip_www()
- License
Requirements
blob-domain and its dependencies require PHP 7.0+ with the following modules:
- BCMath
- DOM
- Fileinfo
- Filter
- JSON
- MBString
- INTL
Installation
Use Composer:
Reference
First up, the basics.
Basic Usage:
The following static methods exist if you don't want to initialize an object.
::parse_host()
Parse the hostname part of an arbitrary string, which might be a hostname, IP address, URL, etc.
Note: this will convert Unicode to ASCII.
Arguments
- (string) Host
Returns
Returns the processed hostname or FALSE
on failure.
Example
::parse_host_parts()
Pull out the different parts of a host name, i.e. what you'd get running get_data()
on a domain
object.
Note: this will convert Unicode to ASCII.
Arguments
- (string) Host
Returns
Returns an array containing the processed parts or FALSE
on failure.
Example
The object also comes with public methods. Aside from the various get_*()
functions already demonstrated, you've got the following.
is_valid()
Is the host valid? This will be TRUE
unless:
- The host string is malformed;
- The host string contains Unicode and the INTL extension is missing;
- The host contains no domain portion;
- The
$dns
option is passed but the host is not a FQDN or is missing anA
record;
Arguments
- (bool) (optional) Reachable DNS. If
TRUE
, the host must either be a public IP address or have anA
record in its DNS table. Default:FALSE
Returns
Returns TRUE
or FALSE
.
is_ascii()
Whether or not a host is ASCII, like google.com
. Unicode domains are still a bit unknown in many parts of the Western world and can cause problems with native PHP functions or databases, so good to know what you've got.
Note: IP addresses are considered ASCII for the purposes of this function.
Note: The various get_*()
functions will always return the host in ASCII format by default. Passing TRUE
to those functions will return Unicode hosts in their original Unicode, e.g. ☺.com
.
Arguments
N/A
Returns
Returns TRUE
or FALSE
.
Example
is_fdqn()
Checks to see whether the host is a Fully-Qualified Domain Name (or at least a public IP address). In other words, can it be seen by the outside world?
Note: this does not imply the host actually exists.
Arguments
N/A
Returns
Returns TRUE
or FALSE
.
is_ip()
Is the host an IP address?
Arguments
- (bool) (optional) Allow restricted/private. Default:
TRUE
Returns
Returns TRUE
or FALSE
.
is_unicode()
Whether or not a host is Unicode, like ☺.com
. Unicode hosts can cause problems with native PHP functions and databases, so might be a good thing to know.
Note: The various get_*()
functions will return an ASCIIfied version of a Unicode domain by default, like xn--74h.com
. Passing TRUE
will de-convert them back to the original Unicode.
Arguments
N/A
Returns
Returns TRUE
or FALSE
.
Example
has_dns()
Does this host have an A
record in its DNS table or is it a public IP address?
Note: the A
record cannot point to a restricted/reserved IP like 127.0.0.1
or the function will return FALSE
.
Arguments
N/A
Returns
Returns TRUE
or FALSE
.
strip_www()
This removes the leading www.
subdomain, if any, from the parsed result. You can also have this run automatically at initialization by passing a second argument to the constructor, TRUE
.
Arguments
N/A
Returns
Returns TRUE
or FALSE
, indicating whether or not a change was made.
Example
License
Copyright © 2018 Blobfolio, LLC <[email protected]>
This work is free. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2004 Sam Hocevar <[email protected]>
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
Donations
If you have found this work useful and would like to contribute financially, Bitcoin tips are always welcome! 1Af56Nxauv8M1ChyQxtBe1yvdp2jtaB1GF |
All versions of blob-domain with dependencies
ext-filter Version *
ext-mbstring Version *
ext-json Version *
ext-intl Version *
blobfolio/blob-common Version *