Use Stringable interface as much as possible

Author: VincentLanglet

src/Symfony/Component/Config/Resource/ResourceInterface.php

@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <[email protected]>
  */
-interface ResourceInterface
+interface ResourceInterface extends \Stringable
 {
     /**
      * Returns a string representation of the Resource.

src/Symfony/Component/CssSelector/Node/NodeInterface.php

@@ -21,11 +21,9 @@
  *
  * @internal
  */
-interface NodeInterface
+interface NodeInterface extends \Stringable
 {
     public function getNodeName(): string;
 
     public function getSpecificity(): Specificity;
-
-    public function __toString(): string;
 }

src/Symfony/Component/Form/FormErrorIterator.php

@@ -35,7 +35,7 @@
  * @implements \RecursiveIterator<int, T>
  * @implements \SeekableIterator<int, T>
  */
-class FormErrorIterator implements \RecursiveIterator, \SeekableIterator, \ArrayAccess, \Countable
+class FormErrorIterator implements \RecursiveIterator, \SeekableIterator, \ArrayAccess, \Countable, \Stringable
 {
     /**
      * The prefix used for indenting nested error messages.

src/Symfony/Component/HttpFoundation/HeaderBag.php

@@ -18,7 +18,7 @@
  *
  * @implements \IteratorAggregate<string, list<string|null>>
  */
-class HeaderBag implements \IteratorAggregate, \Countable
+class HeaderBag implements \IteratorAggregate, \Countable, \Stringable
 {
     protected const UPPER = '_ABCDEFGHIJKLMNOPQRSTUVWXYZ';
     protected const LOWER = '-abcdefghijklmnopqrstuvwxyz';

src/Symfony/Component/Mailer/Transport/TransportInterface.php

@@ -24,12 +24,10 @@
  *
  * @author Fabien Potencier <[email protected]>
  */
-interface TransportInterface
+interface TransportInterface extends \Stringable
 {
     /**
      * @throws TransportExceptionInterface
      */
     public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage;
-
-    public function __toString(): string;
 }

src/Symfony/Component/Notifier/Transport/TransportInterface.php

@@ -18,14 +18,12 @@
 /**
  * @author Fabien Potencier <[email protected]>
  */
-interface TransportInterface
+interface TransportInterface extends \Stringable
 {
     /**
      * @throws TransportExceptionInterface
      */
     public function send(MessageInterface $message): ?SentMessage;
 
     public function supports(MessageInterface $message): bool;
-
-    public function __toString(): string;
 }

src/Symfony/Component/PropertyAccess/PropertyPathInterface.php

@@ -20,7 +20,7 @@
  *
  * @extends \Traversable<int, string>
  */
-interface PropertyPathInterface extends \Traversable
+interface PropertyPathInterface extends \Traversable, \Stringable
 {
     /**
      * Returns the string representation of the property path.

src/Symfony/Component/Security/Core/Authentication/Token/TokenInterface.php

@@ -19,7 +19,7 @@
  * @author Fabien Potencier <[email protected]>
  * @author Johannes M. Schmitt <[email protected]>
  */
-interface TokenInterface
+interface TokenInterface extends \Stringable
 {
     /**
      * Returns a string representation of the Token.

src/Symfony/Component/Security/Core/User/InMemoryUser.php

@@ -19,7 +19,7 @@
  * @author Robin Chalas <[email protected]>
  * @author Fabien Potencier <[email protected]>
  */
-final class InMemoryUser implements UserInterface, PasswordAuthenticatedUserInterface, EquatableInterface
+final class InMemoryUser implements UserInterface, PasswordAuthenticatedUserInterface, EquatableInterface, \Stringable
 {
     private string $username;
     private ?string $password;

src/Symfony/Component/Templating/TemplateReferenceInterface.php

@@ -16,7 +16,7 @@
  *
  * @author Victor Berchet <[email protected]>
  */
-interface TemplateReferenceInterface
+interface TemplateReferenceInterface extends \Stringable
 {
     /**
      * Gets the template parameters.

src/Symfony/Component/Translation/Provider/ProviderInterface.php

@@ -14,10 +14,8 @@
 use Symfony\Component\Translation\TranslatorBag;
 use Symfony\Component\Translation\TranslatorBagInterface;
 
-interface ProviderInterface
+interface ProviderInterface extends \Stringable
 {
-    public function __toString(): string;
-
     /**
      * Translations available in the TranslatorBag only must be created.
      * Translations available in both the TranslatorBag and on the provider

src/Symfony/Component/Uid/AbstractUid.php

@@ -14,7 +14,7 @@
 /**
  * @author Nicolas Grekas <[email protected]>
  */
-abstract class AbstractUid implements \JsonSerializable
+abstract class AbstractUid implements \JsonSerializable, \Stringable
 {
     /**
      * The identifier in its canonic representation.

src/Symfony/Component/VarDumper/Cloner/Data.php

@@ -17,7 +17,7 @@
 /**
  * @author Nicolas Grekas <[email protected]>
  */
-class Data implements \ArrayAccess, \Countable, \IteratorAggregate
+class Data implements \ArrayAccess, \Countable, \IteratorAggregate, \Stringable
 {
     private array $data;
     private int $position = 0;