N°6934 - Symfony 6.4 - upgrade Symfony bundles to 6.4 (#580)

* Update Symfony lib to version ~6.4.0
* Update code missing return type
* Add an iTop general configuration entry to store application secret (Symfony mandatory parameter)
* Use dependency injection in ExceptionListener & UserProvider classes

lib/symfony/cache/Adapter/NullAdapter.php

@@ -20,11 +20,11 @@ use Symfony\Contracts\Cache\CacheInterface;
  */
 class NullAdapter implements AdapterInterface, CacheInterface
 {
-    private static $createCacheItem;
+    private static \Closure $createCacheItem;
 
     public function __construct()
     {
-        self::$createCacheItem ?? self::$createCacheItem = \Closure::bind(
+        self::$createCacheItem ??= \Closure::bind(
             static function ($key) {
                 $item = new CacheItem();
                 $item->key = $key;
@@ -37,105 +37,58 @@ class NullAdapter implements AdapterInterface, CacheInterface
         );
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
+    public function get(string $key, callable $callback, float $beta = null, array &$metadata = null): mixed
     {
         $save = true;
 
         return $callback((self::$createCacheItem)($key), $save);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function getItem($key)
+    public function getItem(mixed $key): CacheItem
     {
         return (self::$createCacheItem)($key);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function getItems(array $keys = [])
+    public function getItems(array $keys = []): iterable
     {
         return $this->generateItems($keys);
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function hasItem($key)
+    public function hasItem(mixed $key): bool
     {
         return false;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function clear(string $prefix = '')
+    public function clear(string $prefix = ''): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function deleteItem($key)
+    public function deleteItem(mixed $key): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function deleteItems(array $keys)
+    public function deleteItems(array $keys): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function save(CacheItemInterface $item)
+    public function save(CacheItemInterface $item): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function saveDeferred(CacheItemInterface $item)
+    public function saveDeferred(CacheItemInterface $item): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     *
-     * @return bool
-     */
-    public function commit()
+    public function commit(): bool
     {
         return true;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function delete(string $key): bool
     {
         return $this->deleteItem($key);