Implements ArrayAccess for Relation class

Adds support for ArrayAccess to the Relation class, enabling
array-like interactions with internal data. This includes the
implementation of methods for checking, retrieving, setting,
and unsetting elements in the data array. Enhances flexibility
and usability of the Relation class.

Author: Vitexus

debian/changelog

@@ -1,4 +1,10 @@
-php-spojenet-abraflexi (3.6.1) UNRELEASED; urgency=medium
+php-spojenet-abraflexi (3.6.2) UNRELEASED; urgency=medium
+
+  * Relation now can hold values
+
+ -- vitex <info@vitexsoftware.cz>  Fri, 12 Sep 2025 20:41:32 +0200
+
+php-spojenet-abraflexi (3.6.1) experimental; urgency=medium
 
   * Overpayment handling added
   * jenkins-Spoje.Net-php-spojenet-abraflexi-310
@@ -8,7 +14,7 @@ php-spojenet-abraflexi (3.6.1) UNRELEASED; urgency=medium
   * jenkins-Spoje.Net-php-spojenet-abraflexi-324
   * jenkins-Spoje.Net-php-spojenet-abraflexi-325
 
- -- vitex <jenkins@vyvojar.spoje.net>  Thu, 31 Jul 2025 11:55:17 +0000
+ -- vitex <info@vitexsoftware.cz>  Fri, 12 Sep 2025 20:41:15 +0200
 
 php-spojenet-abraflexi (3.5.4) experimental; urgency=medium
 

src/AbraFlexi/Relation.php

@@ -21,7 +21,7 @@
  *
  * @no-named-arguments
  */
-class Relation
+class Relation implements \ArrayAccess
 {
     /**
      * Item in target evidence.
@@ -34,6 +34,7 @@ class Relation
     public string $target;
     public ?string $ref;
     public ?string $showAs;
+    protected array $data = [];
 
     /**
      * Relation.
@@ -80,4 +81,24 @@ public function getRelationTarget()
 
         return $relation;
     }
+
+    public function offsetExists(mixed $offset): bool
+    {
+        return \array_key_exists($offset, $this->data);
+    }
+
+    public function offsetGet(mixed $offset): mixed
+    {
+        return $this->offsetExists($offset) ? $this->data[$offset] : null;
+    }
+
+    public function offsetSet(mixed $offset, mixed $value): void
+    {
+        $this->data[$offset] = $value;
+    }
+
+    public function offsetUnset(mixed $offset): void
+    {
+        unset($this->data[$offset]);
+    }
 }