Enable PHPStan

- Fix error for level 0 & 1 (level 7 has 699 errors...)
- Add `updated_at` to site_credential (so the `timestamps()` method applies correctly)

src/Wallabag/CoreBundle/Command/InstallCommand.php

@@ -94,8 +94,9 @@ class InstallCommand extends ContainerAwareCommand
         $status = '<info>OK!</info>';
         $help = '';
 
+        $conn = $this->getContainer()->get('doctrine')->getManager()->getConnection();
+
         try {
-            $conn = $this->getContainer()->get('doctrine')->getManager()->getConnection();
             $conn->connect();
         } catch (\Exception $e) {
             if (false === strpos($e->getMessage(), 'Unknown database')

src/Wallabag/CoreBundle/Entity/SiteCredential.php

@@ -59,6 +59,13 @@ class SiteCredential
      */
     private $createdAt;
 
+    /**
+     * @var \DateTime
+     *
+     * @ORM\Column(name="updated_at", type="datetime")
+     */
+    private $updatedAt;
+
     /**
      * @ORM\ManyToOne(targetEntity="Wallabag\UserBundle\Entity\User", inversedBy="siteCredentials")
      */
@@ -178,6 +185,16 @@ class SiteCredential
         return $this->createdAt;
     }
 
+    /**
+     * Get updatedAt.
+     *
+     * @return \DateTime
+     */
+    public function getUpdatedAt()
+    {
+        return $this->updatedAt;
+    }
+
     /**
      * @return User
      */

src/Wallabag/CoreBundle/Helper/RuleBasedTagger.php

@@ -6,6 +6,7 @@ use Psr\Log\LoggerInterface;
 use RulerZ\RulerZ;
 use Wallabag\CoreBundle\Entity\Entry;
 use Wallabag\CoreBundle\Entity\Tag;
+use Wallabag\CoreBundle\Entity\TaggingRule;
 use Wallabag\CoreBundle\Repository\EntryRepository;
 use Wallabag\CoreBundle\Repository\TagRepository;
 use Wallabag\UserBundle\Entity\User;