feature #22794 [ExpressionLanguage] remove deprecated features (xabbuh)

This PR was merged into the 4.0-dev branch.

Discussion
----------

[ExpressionLanguage] remove deprecated features

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | yes
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
-------

37ac945 [ExpressionLanguage] remove deprecated features

src/Symfony/Bridge/Doctrine/CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+4.0.0
+-----
+
+ * removed the `DoctrineParserCache` class
+
 3.1.0
 -----
 

src/Symfony/Component/ExpressionLanguage/CHANGELOG.md

@@ -1,6 +1,14 @@
 CHANGELOG
 =========
 
+4.0.0
+-----
+
+ * the first argument of the `ExpressionLanguage` constructor must be an instance
+   of `CacheItemPoolInterface`
+ * removed the `ArrayParserCache` and `ParserCacheAdapter` classes
+ * removed the `ParserCacheInterface`
+
 2.6.0
 -----
 

src/Symfony/Component/ExpressionLanguage/ExpressionLanguage.php

@@ -13,8 +13,6 @@
 
 use Psr\Cache\CacheItemPoolInterface;
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
-use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheAdapter;
-use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface;
 
 /**
  * Allows to compile and evaluate expressions written in your own DSL.
@@ -37,17 +35,8 @@ class ExpressionLanguage
      * @param CacheItemPoolInterface                $cache
      * @param ExpressionFunctionProviderInterface[] $providers
      */
-    public function __construct($cache = null, array $providers = array())
+    public function __construct(CacheItemPoolInterface $cache = null, array $providers = array())
     {
-        if (null !== $cache) {
-            if ($cache instanceof ParserCacheInterface) {
-                @trigger_error(sprintf('Passing an instance of %s as constructor argument for %s is deprecated as of 3.2 and will be removed in 4.0. Pass an instance of %s instead.', ParserCacheInterface::class, self::class, CacheItemPoolInterface::class), E_USER_DEPRECATED);
-                $cache = new ParserCacheAdapter($cache);
-            } elseif (!$cache instanceof CacheItemPoolInterface) {
-                throw new \InvalidArgumentException(sprintf('Cache argument has to implement %s.', CacheItemPoolInterface::class));
-            }
-        }
-
         $this->cache = $cache ?: new ArrayAdapter();
         $this->registerFunctions();
         foreach ($providers as $provider) {