X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FXML.php;h=e06a92d25edf9a5a3d73951431064eaafb1f29c4;hb=ee32459358c6ca818f368e55e49147e4dcdcc690;hp=c866475c1b40d69e1c057de9e739e6c1e9c3e17f;hpb=39ff6e9ce9251fe69b56ba05ea7bdc1896f34de2;p=friendica.git

diff --git a/src/Util/XML.php b/src/Util/XML.php
index c866475c1b..e06a92d25e 100644
--- a/src/Util/XML.php
+++ b/src/Util/XML.php
@@ -52,6 +52,7 @@ class XML
 			}
 		}
 
+		$element = null;
 		foreach ($array as $key => $value) {
 			if (!isset($element) && isset($xml)) {
 				$element = $xml;
@@ -185,12 +186,13 @@ class XML
 			return(null);
 		}
 
+		$xml_element_copy = '';
 		if (!is_string($xml_element)
 			&& !is_array($xml_element)
 			&& (get_class($xml_element) == 'SimpleXMLElement')
 		) {
-				$xml_element_copy = $xml_element;
-				$xml_element = get_object_vars($xml_element);
+			$xml_element_copy = $xml_element;
+			$xml_element = get_object_vars($xml_element);
 		}
 
 		if (is_array($xml_element)) {
@@ -413,4 +415,50 @@ class XML
 			$child->parentNode->removeChild($child);
 		}
 	}
+
+	public static function parseString($s, $strict = true)
+	{
+		// the "strict" parameter is deactivated
+		libxml_use_internal_errors(true);
+
+		$x = @simplexml_load_string($s);
+		if (!$x) {
+			logger('libxml: parse: error: ' . $s, LOGGER_DATA);
+			foreach (libxml_get_errors() as $err) {
+				logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
+			}
+			libxml_clear_errors();
+		}
+		return $x;
+	}
+
+	public static function getFirstNodeValue($xpath, $element, $context = null)
+	{
+		$result = $xpath->evaluate($element, $context);
+		if (!is_object($result)) {
+			return '';
+		}
+
+		$first_item = $result->item(0);
+		if (!is_object($first_item)) {
+			return '';
+		}
+
+		return $first_item->nodeValue;
+	}
+
+	public static function getFirstAttributes($xpath, $element, $context = null)
+	{
+		$result = $xpath->query($element, $context);
+		if (!is_object($result)) {
+			return false;
+		}
+
+		$first_item = $result->item(0);
+		if (!is_object($first_item)) {
+			return false;
+		}
+
+		return $first_item->attributes;
+	}
 }