minor #48163 [Yaml] Extract duplicate code to private function (alami…

…rault)

This PR was merged into the 6.2 branch.

Discussion
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[Yaml] Extract duplicate code to private function

| Q             | A
| ------------- | ---
| Branch?       | 6.3
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->

I saw the same code/logic was duplicated in `Inline` class while working on #48127.
This little patch can avoid bug/inconsistency

Commits
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6026422 [Yaml] Extract duplicate code to private function

src/Symfony/Component/Yaml/Inline.php

@@ -123,13 +123,7 @@ public static function dump(mixed $value, int $flags = 0): string
                 }
 
                 if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \stdClass || $value instanceof \ArrayObject)) {
-                    $output = [];
-
-                    foreach ($value as $key => $val) {
-                        $output[] = sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags));
-                    }
-
-                    return sprintf('{ %s }', implode(', ', $output));
+                    return self::dumpHashArray($value, $flags);
                 }
 
                 if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) {
@@ -232,7 +226,17 @@ private static function dumpArray(array $value, int $flags): string
             return sprintf('[%s]', implode(', ', $output));
         }
 
-        // hash
+        return self::dumpHashArray($value, $flags);
+    }
+
+    /**
+     * Dumps hash array to a YAML string.
+     *
+     * @param array|\ArrayObject|\stdClass $value The hash array to dump
+     * @param int                          $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
+     */
+    private static function dumpHashArray(array|\ArrayObject|\stdClass $value, int $flags): string
+    {
         $output = [];
         foreach ($value as $key => $val) {
             $output[] = sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags));