Arrayizable RequesterID

src/SAML2/XML/samlp/RequesterID.php

@@ -6,10 +6,13 @@
 
 use DOMElement;
 use SimpleSAML\Assert\Assert;
+use SimpleSAML\SAML2\Exception\ArrayValidationException;
 use SimpleSAML\XML\Exception\InvalidDOMElementException;
 use SimpleSAML\XML\Exception\SchemaViolationException;
 use SimpleSAML\XML\StringElementTrait;
 
+use function array_key_first;
+
 /**
  * Class representing a samlp:RequesterID element.
  *
@@ -58,4 +61,30 @@ public static function fromXML(DOMElement $xml): static
 
         return new static($xml->textContent);
     }
+
+
+    /**
+     * Create a class from an array
+     *
+     * @param array $data
+     * @return static
+     */
+    public static function fromArray(array $data): static
+    {
+        Assert::allString($data, ArrayValidationException::class);
+
+        $index = array_key_first($data);
+        return new static($data[$index]);
+    }
+
+
+    /**
+     * Create an array from this class
+     *
+     * @return array
+     */
+    public function toArray(): array
+    {
+        return [$this->getContent()];
+    }
 }