minor #35945 Leverage PHP8's get_debug_type() (nicolas-grekas)

This PR was merged into the 5.1-dev branch.

Discussion
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Leverage PHP8's get_debug_type()

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

See symfony/polyfill#226 for background.

We might have to port part of the patch to 4.4 when we'll work on having it support PHP 8, but that's not needed for now.

Commits
-------

daf1c6605e Leverage PHP8's get_debug_type()

Author: nicolas-grekas

Channel/EmailChannel.php

@@ -58,7 +58,7 @@ public function notify(Notification $notification, Recipient $recipient, string
         if ($email instanceof Email) {
             if (!$email->getFrom()) {
                 if (null === $this->from) {
-                    throw new LogicException(sprintf('To send the "%s" notification by email, you should either configure a global "from" or set it in the "asEmailMessage()" method.', \get_class($notification)));
+                    throw new LogicException(sprintf('To send the "%s" notification by email, you should either configure a global "from" or set it in the "asEmailMessage()" method.', get_debug_type($notification)));
                 }
 
                 $email->from($this->from);

Message/SmsMessage.php

@@ -37,7 +37,7 @@ public function __construct(string $phone, string $subject)
     public static function fromNotification(Notification $notification, Recipient $recipient): self
     {
         if (!$recipient instanceof SmsRecipientInterface) {
-            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', \get_class($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
+            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', get_debug_type($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
         }
 
         return new self($recipient->getPhone(), $notification->getSubject());

composer.json

@@ -16,7 +16,8 @@
         }
     ],
     "require": {
-        "php": "^7.2.5"
+        "php": "^7.2.5",
+        "symfony/polyfill-php80": "^1.15"
     },
     "conflict": {
         "symfony/http-kernel": "<4.4"