Improved work with an array of elements

README.md

@@ -268,15 +268,37 @@ class UserFeedItem extends FeedItem
 
 #### Adding an array of elements
 
-In some cases, you need to place an array of elements with the same names. For example:
+In some cases, you need to place an array of elements with the same names.
+
+To do this, add a symbol of `@` to the beginning of the key name:
+
+```php
+use DragonCode\LaravelFeed\Feeds\Items\FeedItem;
+
+class UserFeedItem extends FeedItem
+{
+    public function toArray(): array
+    {
+        return [
+            '@picture' => $this->model->images,
+        ];
+    }
+}
+```
+
+Result:
 
 ```xml
+
 <picture>https://via.placeholder.com/640x480.png/009966?text=beatae</picture>
 <picture>https://via.placeholder.com/640x480.png/000011?text=deleniti</picture>
 <picture>https://via.placeholder.com/640x480.png/009999?text=voluptates</picture>
 ```
 
-To do this, add a symbol of `@` to the beginning of the key name:
+You can also use values for such elements.
+To insert them, use the reserved word `@value`.
+
+For example:
 
 ```php
 use DragonCode\LaravelFeed\Feeds\Items\FeedItem;
@@ -286,12 +308,29 @@ class UserFeedItem extends FeedItem
     public function toArray(): array
     {
         return [
-            '@picture' => $this->model->images,
+            '@param' => [
+                [
+                    '@attributes' => ['name' => 'Article'],
+                    '@value'      => $this->model->article,
+                ],
+                [
+                    '@attributes' => ['name' => 'Brand'],
+                    '@value'      => $this->model->brand,
+                ],
+            ],
         ];
     }
 }
 ```
 
+Result:
+
+```xml
+
+<param name="Article">GD-PRDCT-1</param>
+<param name="Brand">The Best</param>
+```
+
 #### Header information
 
 If it is necessary to change the file cap, override the `header` method in the feed class:

src/Services/ConvertToXml.php

@@ -57,7 +57,8 @@ protected function performItem(DOMElement $parent, array $items): void
                 $this->isAttributes($key) => $this->setAttributes($parent, $value),
                 $this->isCData($key)      => $this->setCData($parent, $value),
                 $this->isMixed($key)      => $this->setMixed($parent, $value),
-                $this->isArray($key)      => $this->setItemsArray($parent, $value, $key),
+                $this->isValue($key)      => $this->setRaw($parent, $value),
+                $this->isPrefixed($key)   => $this->setItemsArray($parent, $value, $key),
                 default                   => $this->setItems($parent, $key, $value),
             };
         }
@@ -78,7 +79,12 @@ protected function isMixed(string $key): bool
         return $key === '@mixed';
     }
 
-    protected function isArray(string $key): bool
+    protected function isValue(string $key): bool
+    {
+        return $key === '@value';
+    }
+
+    protected function isPrefixed(string $key): bool
     {
         return str_starts_with($key, '@');
     }
@@ -110,7 +116,7 @@ protected function setMixed(DOMElement $element, string $value): void
         $element->appendChild($fragment);
     }
 
-    protected function setItemsArray(DOMElement $parent, mixed $value, string $key): void
+    protected function setItemsArray(DOMElement $parent, $value, string $key): void
     {
         $key = Str::substr($key, 1);
 
@@ -130,6 +136,11 @@ protected function setItems(DOMElement $parent, string $key, mixed $value): void
         $parent->appendChild($element);
     }
 
+    protected function setRaw(DOMElement $parent, mixed $value): void
+    {
+        $parent->nodeValue = $this->convertValue($value);
+    }
+
     protected function toXml(DOMElement $item): string
     {
         return $this->document->saveXML($item);

tests/.pest/snapshots/Feature/YandexTest/export.snap

@@ -25,6 +25,8 @@
   <currencyId>RUR</currencyId>
   <vendor>The Best</vendor>
   <picture>https://via.placeholder.com/640x480.png/008877?text=repudiandae</picture>
+  <param name="Article">GD-PRDCT-1</param>
+  <param name="Brand">The Best</param>
 </offer>
 <offer id="2" available="true" type="vendor.model">
   <url>http://localhost/products/GD-PRDCT-2</url>
@@ -38,6 +40,8 @@
   <picture>https://via.placeholder.com/640x480.png/009966?text=beatae</picture>
   <picture>https://via.placeholder.com/640x480.png/000011?text=deleniti</picture>
   <picture>https://via.placeholder.com/640x480.png/009999?text=voluptates</picture>
+  <param name="Article">GD-PRDCT-2</param>
+  <param name="Brand">The Best</param>
 </offer>
 <offer id="3" available="false" type="vendor.model">
   <url>http://localhost/products/GD-PRDCT-3</url>
@@ -50,6 +54,8 @@
   <vendor>The Best</vendor>
   <picture>https://via.placeholder.com/640x480.png/000044?text=asperiores</picture>
   <picture>https://via.placeholder.com/640x480.png/0055ff?text=expedita</picture>
+  <param name="Article">GD-PRDCT-3</param>
+  <param name="Brand">The Best</param>
 </offer>
 </offers>
 

workbench/app/Feeds/Items/YandexFeedItem.php

@@ -41,6 +41,17 @@ public function toArray(): array
             'vendor'     => $this->model->brand,
 
             '@picture' => $this->model->images,
+
+            '@param' => [
+                [
+                    '@attributes' => ['name' => 'Article'],
+                    '@value'      => $this->model->article,
+                ],
+                [
+                    '@attributes' => ['name' => 'Brand'],
+                    '@value'      => $this->model->brand,
+                ],
+            ],
         ];
     }
 }