Use typed properties

src/Entity/Base/AbstractCompany.php

@@ -57,39 +57,39 @@ abstract class AbstractCompany extends AbstractPartsContainingDBElement
      * @var string The address of the company
      * @ORM\Column(type="string")
      */
-    protected $address = '';
+    protected string $address = '';
 
     /**
      * @var string The phone number of the company
      * @ORM\Column(type="string")
      */
-    protected $phone_number = '';
+    protected string $phone_number = '';
 
     /**
      * @var string The fax number of the company
      * @ORM\Column(type="string")
      */
-    protected $fax_number = '';
+    protected string $fax_number = '';
 
     /**
      * @var string The email address of the company
      * @ORM\Column(type="string")
      * @Assert\Email()
      */
-    protected $email_address = '';
+    protected string $email_address = '';
 
     /**
      * @var string The website of the company
      * @ORM\Column(type="string")
      * @Assert\Url()
      */
-    protected $website = '';
+    protected string $website = '';
 
     /**
      * @var string
      * @ORM\Column(type="string")
      */
-    protected $auto_product_url = '';
+    protected string $auto_product_url = '';
 
     /********************************************************************************
      *

src/Entity/Base/AbstractDBElement.php

@@ -65,7 +65,7 @@ abstract class AbstractDBElement implements JsonSerializable
      * @ORM\GeneratedValue()
      * @Groups({"full"})
      */
-    protected $id;
+    protected ?int $id = null;
 
     public function __clone()
     {

src/Entity/Base/AbstractNamedDBElement.php

@@ -44,7 +44,7 @@ abstract class AbstractNamedDBElement extends AbstractDBElement implements Named
      * @Assert\NotBlank()
      * @Groups({"simple", "extended", "full"})
      */
-    protected $name = '';
+    protected string $name = '';
 
     /******************************************************************************
      *

src/Entity/Base/AbstractStructuralDBElement.php

@@ -65,19 +65,19 @@ abstract class AbstractStructuralDBElement extends AttachmentContainingDBElement
      * @ORM\Column(type="text")
      * @Groups({"simple", "extended", "full"})
      */
-    protected $comment = '';
+    protected string $comment = '';
 
     /**
      * @var bool If this property is set, this element can not be selected for part properties.
      *           Useful if this element should be used only for grouping, sorting.
      * @ORM\Column(type="boolean")
      */
-    protected $not_selectable = false;
+    protected bool $not_selectable = false;
 
     /**
      * @var int
      */
-    protected $level = 0;
+    protected int $level = 0;
 
     /**
      * We can not define the mapping here or we will get an exception. Unfortunately we have to do the mapping in the
@@ -98,7 +98,7 @@ abstract class AbstractStructuralDBElement extends AttachmentContainingDBElement
     /** @var string[] all names of all parent elements as a array of strings,
      *  the last array element is the name of the element itself
      */
-    private $full_path_strings = [];
+    private array $full_path_strings = [];
 
     public function __construct()
     {

src/Entity/Base/MasterAttachmentTrait.php

@@ -57,7 +57,7 @@ trait MasterAttachmentTrait
      * @ORM\JoinColumn(name="id_preview_attachement", referencedColumnName="id")
      * @Assert\Expression("value == null or value.isPicture()", message="part.master_attachment.must_be_picture")
      */
-    protected $master_picture_attachment;
+    protected ?Attachment $master_picture_attachment = null;
 
     /**
      * Get the master picture "Attachment"-object of this part (if there is one).

src/Entity/Base/TimestampTrait.php

@@ -56,14 +56,14 @@ trait TimestampTrait
      * @ORM\Column(type="datetime", name="last_modified", options={"default"="CURRENT_TIMESTAMP"})
      * @Groups({"extended", "full"})
      */
-    protected $lastModified;
+    protected ?DateTime $lastModified = null;
 
     /**
      * @var DateTime|null the date when this element was created
      * @ORM\Column(type="datetime", name="datetime_added", options={"default"="CURRENT_TIMESTAMP"})
      * @Groups({"extended", "full"})
      */
-    protected $addedDate;
+    protected ?DateTime $addedDate = null;
 
     /**
      * Returns the last time when the element was modified.