Added an PHP CS fixer config file and applied it to files.

We now use the same the same style as the symfony project, and it allows us to simply fix the style by executing php_cs_fixer fix in the project root.

src/Security/Annotations/ColumnSecurity.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Annotations;
@@ -25,7 +24,7 @@ namespace App\Security\Annotations;
 use App\Entity\Base\NamedDBElement;
 use Doctrine\Common\Annotations\Annotation;
 use Doctrine\Common\Collections\ArrayCollection;
-use \InvalidArgumentException;
+use InvalidArgumentException;
 
 /**
  * @Annotation
@@ -52,7 +51,7 @@ class ColumnSecurity
     public $prefix = '';
 
     /**
-     * @var string The placeholder that should be used, when the access to the property is denied.
+     * @var string the placeholder that should be used, when the access to the property is denied
      */
     public $placeholder = null;
 
@@ -88,15 +87,15 @@ class ColumnSecurity
         if (class_exists($this->type)) {
             $object = new $this->type();
             if ($object instanceof NamedDBElement) {
-                if (is_string($this->placeholder) && $this->placeholder !== "") {
+                if (\is_string($this->placeholder) && '' !== $this->placeholder) {
                     $object->setName($this->placeholder);
                 }
                 $object->setName('???');
             }
+
             return $object;
         }
 
-
         if (null === $this->placeholder) {
             switch ($this->type) {
                 case 'integer':
@@ -113,6 +112,7 @@ class ColumnSecurity
                     return false;
                 case 'datetime':
                     $date = new \DateTime();
+
                     return $date->setTimestamp(0);
                 default:
                     throw new InvalidArgumentException('Unknown type! You have to specify a placeholder!');