Setup PLZ field for user

src/Entity/User.php

@@ -59,6 +59,11 @@ class User implements UserInterface
      */
     private $wishes;
 
+    /**
+     * @ORM\Column(type="integer", nullable=true)
+     */
+    private $zipCode;
+
     public function __construct()
     {
         $this->offerings = new ArrayCollection();
@@ -229,4 +234,16 @@ class User implements UserInterface
 
         return $this;
     }
+
+    public function getZipCode(): ?int
+    {
+        return $this->zipCode;
+    }
+
+    public function setZipCode(?int $zipCode): self
+    {
+        $this->zipCode = $zipCode;
+
+        return $this;
+    }
 }

src/Form/RegistrationFormType.php

@@ -20,6 +20,7 @@ class RegistrationFormType extends AbstractType
         $builder
             ->add('email', EmailType::class)
             ->add('username')
+            ->add('zipcode')
             ->add('agreeTerms', CheckboxType::class, [
                 'mapped' => false,
                 'constraints' => [