migration symfony 5 4 (#300)

* symfony 5.4 (diff dev)

* symfony 5.4 (working)

* symfony 5.4 (update autoload)

* symfony 5.4 (remove swiftmailer mailer implementation)

* symfony 5.4 (php doc and split Global accessor class)


### Impacted packages:

composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies

composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies

lib/symfony/cache/Adapter/TraceableAdapter.php

@@ -12,8 +12,11 @@
 namespace Symfony\Component\Cache\Adapter;
 
 use Psr\Cache\CacheItemInterface;
+use Symfony\Component\Cache\CacheItem;
 use Symfony\Component\Cache\PruneableInterface;
 use Symfony\Component\Cache\ResettableInterface;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Service\ResetInterface;
 
 /**
  * An adapter that collects data about all cache calls.
@@ -22,7 +25,7 @@ use Symfony\Component\Cache\ResettableInterface;
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  * @author Nicolas Grekas <p@tchwork.com>
  */
-class TraceableAdapter implements AdapterInterface, PruneableInterface, ResettableInterface
+class TraceableAdapter implements AdapterInterface, CacheInterface, PruneableInterface, ResettableInterface
 {
     protected $pool;
     private $calls = [];
@@ -32,6 +35,38 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
         $this->pool = $pool;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
+    {
+        if (!$this->pool instanceof CacheInterface) {
+            throw new \BadMethodCallException(sprintf('Cannot call "%s::get()": this class doesn\'t implement "%s".', get_debug_type($this->pool), CacheInterface::class));
+        }
+
+        $isHit = true;
+        $callback = function (CacheItem $item, bool &$save) use ($callback, &$isHit) {
+            $isHit = $item->isHit();
+
+            return $callback($item, $save);
+        };
+
+        $event = $this->start(__FUNCTION__);
+        try {
+            $value = $this->pool->get($key, $callback, $beta, $metadata);
+            $event->result[$key] = get_debug_type($value);
+        } finally {
+            $event->end = microtime(true);
+        }
+        if ($isHit) {
+            ++$event->hits;
+        } else {
+            ++$event->misses;
+        }
+
+        return $value;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -54,6 +89,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function hasItem($key)
     {
@@ -67,6 +104,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function deleteItem($key)
     {
@@ -80,6 +119,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function save(CacheItemInterface $item)
     {
@@ -93,6 +134,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function saveDeferred(CacheItemInterface $item)
     {
@@ -132,11 +175,17 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
-    public function clear()
+    public function clear(string $prefix = '')
     {
         $event = $this->start(__FUNCTION__);
         try {
+            if ($this->pool instanceof AdapterInterface) {
+                return $event->result = $this->pool->clear($prefix);
+            }
+
             return $event->result = $this->pool->clear();
         } finally {
             $event->end = microtime(true);
@@ -145,6 +194,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function deleteItems(array $keys)
     {
@@ -159,6 +210,8 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
 
     /**
      * {@inheritdoc}
+     *
+     * @return bool
      */
     public function commit()
     {
@@ -191,13 +244,26 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
      */
     public function reset()
     {
-        if ($this->pool instanceof ResettableInterface) {
+        if ($this->pool instanceof ResetInterface) {
             $this->pool->reset();
         }
 
         $this->clearCalls();
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function delete(string $key): bool
+    {
+        $event = $this->start(__FUNCTION__);
+        try {
+            return $event->result[$key] = $this->pool->deleteItem($key);
+        } finally {
+            $event->end = microtime(true);
+        }
+    }
+
     public function getCalls()
     {
         return $this->calls;
@@ -208,7 +274,7 @@ class TraceableAdapter implements AdapterInterface, PruneableInterface, Resettab
         $this->calls = [];
     }
 
-    protected function start($name)
+    protected function start(string $name)
     {
         $this->calls[] = $event = new TraceableAdapterEvent();
         $event->name = $name;