bug #60779 Silence E_DEPRECATED and E_USER_DEPRECATED (nicolas-grekas)

This PR was merged into the 6.4 branch.

Discussion
----------

Silence E_DEPRECATED and E_USER_DEPRECATED

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix #60528
| License       | MIT

This change works around php/php-src#17422

This shouldn't change much in practice because we report both not-silenced and silenced deprecations, except for the case when the native php error handler is triggered, which is what happens at this opcache stage, see php/php-src#18541 also.

Commits
-------

f21b2f4df21 Silence E_DEPRECATED and E_USER_DEPRECATED

Author: nicolas-grekas

Internal/BasicErrorHandler.php

@@ -20,7 +20,7 @@ class BasicErrorHandler
 {
     public static function register(bool $debug): void
     {
-        error_reporting(-1);
+        error_reporting(\E_ALL & ~\E_DEPRECATED & ~\E_USER_DEPRECATED);
 
         if (!\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
             ini_set('display_errors', $debug);

Internal/SymfonyErrorHandler.php

@@ -30,7 +30,7 @@ public static function register(bool $debug): void
             return;
         }
 
-        error_reporting(-1);
+        error_reporting(\E_ALL & ~\E_DEPRECATED & ~\E_USER_DEPRECATED);
 
         if (!\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
             ini_set('display_errors', $debug);