1 files changed, 35 insertions, 0 deletions
diff --git a/src/Nodes/DOM/DOMElement.php b/src/Nodes/DOM/DOMElement.php
index 900ad56..7486bad 100644
--- a/src/Nodes/DOM/DOMElement.php
+++ b/src/Nodes/DOM/DOMElement.php
@@ -7,4 +7,39 @@ use fivefilters\Readability\Nodes\NodeTrait;
 class DOMElement extends \DOMElement
 {
     use NodeTrait;
+
+    /**
+     * Returns the child elements of this element.
+     * 
+     * To get all child nodes, including non-element nodes like text and comment nodes, use childNodes.
+     *
+     * @return DOMNodeList
+     */
+    public function children()
+    {
+        $newList = new DOMNodeList();
+        foreach ($this->childNodes as $node) {
+            if ($node->nodeType === XML_ELEMENT_NODE) {
+                $newList->add($node);
+            }
+        }
+        return $newList;
+    }
+
+    /**
+     * Returns the Element immediately prior to the specified one in its parent's children list, or null if the specified element is the first one in the list.
+     *
+     * @see https://wiki.php.net/rfc/dom_living_standard_api
+     * @return DOMElement|null
+     */
+    public function previousElementSibling()
+    {
+        $previous = $this->previousSibling;
+        do {
+            if ($previous->nodeType === XML_ELEMENT_NODE) {
+                return $previous;
+            }
+        } while ($previous = $previous->previousSibling);
+        return null;
+    }
 }