Adding DomainHostInteraface::isSubdomainOf and DomainHostInteraface::hasSubdomain methods

Author: nyamsprod

CHANGELOG.md

@@ -10,6 +10,8 @@ All Notable changes to `League\Uri\Interfaces` will be documented in this file
 - `QueryExtractMode` and `QueryComposeMode` Enum to improve query parsing and building.
 - Added support for `BackedEnum`
 - `FragmentDirective::toFragmentValue`
+- `DomainHostInteraface::isSubdomainOf`
+- `DomainHostInteraface::hasSubdomain`
 
 ### Fixed
 

Contracts/DomainHostInterface.php

@@ -13,6 +13,7 @@
 
 namespace League\Uri\Contracts;
 
+use BackedEnum;
 use Countable;
 use Iterator;
 use IteratorAggregate;
@@ -21,6 +22,9 @@
 
 /**
  * @extends IteratorAggregate<string>
+ *
+ * @method bool isSubdomainOf(BackedEnum|Stringable|string|null $parentHost) Tells whether the current domain instance is a subdomain of the parent host.
+ * @method bool hasSubdomain(BackedEnum|Stringable|string|null $childHost) Tells whether the submitted host is a subdomain of the current instance.
  */
 interface DomainHostInterface extends Countable, HostInterface, IteratorAggregate
 {