add utility class

Author: mikaelcom

Utils.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace WsdlToPhp\PackageBase;
+
+class Utils
+{
+    /**
+     * Returns a XML string content as a DOMDocument or as a formated XML string
+     * @uses \DOMDocument::loadXML()
+     * @uses \DOMDocument::saveXML()
+     * @param string $string
+     * @param bool $asDomDocument
+     * @return \DOMDocument|string|null
+     */
+    public static function getFormatedXml($string, $asDomDocument = false)
+    {
+        if (!empty($string) && class_exists('DOMDocument')) {
+            $dom = new \DOMDocument('1.0', 'UTF-8');
+            $dom->formatOutput = true;
+            $dom->preserveWhiteSpace = false;
+            $dom->resolveExternals = false;
+            $dom->substituteEntities = false;
+            $dom->validateOnParse = false;
+            try {
+                if ($dom->loadXML($string)) {
+                    return $asDomDocument ? $dom : $dom->saveXML();
+                }
+            } catch (\Exception $exception) {
+                throw new \InvalidArgumentException(sprintf('XML string is invalid'), null, $exception);
+            }
+        }
+        return $asDomDocument ? null : $string;
+    }
+}