Adding XMLDataCache to ZugferdDocumentPdfBuilder (like ZugferdDocumen…

…tPdfMerger)
horstoeko · Aug 17, 2023 · be26511 · be26511
1 parent 772dd2b
commit be26511
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/src/ZugferdDocumentPdfBuilder.php b/src/ZugferdDocumentPdfBuilder.php
@@ -31,6 +31,13 @@ class ZugferdDocumentPdfBuilder extends ZugferdDocumentAbstractPdfBuilder
      */
     private $documentBuiler = null;
 
+    /**
+     * Cached XML data
+     *
+     * @var string
+     */
+    private $xmlDataCache = "";
+
     /**
      * Constructor
      *
@@ -52,7 +59,13 @@ public function __construct(ZugferdDocumentBuilder $documentBuiler, string $pdfD
      */
     protected function getXmlContent(): string
     {
-        return $this->documentBuiler->getContentAsDomDocument()->saveXML();
+        if ($this->xmlDataCache) {
+            return $this->xmlDataCache;
+        }
+
+        $this->xmlDataCache = $this->documentBuiler->getContentAsDomDocument()->saveXML();
+
+        return $this->xmlDataCache;
     }
 
     /**