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diff --git a/vendor/zendframework/zend-feed/src/Reader/Entry/AbstractEntry.php b/vendor/zendframework/zend-feed/src/Reader/Entry/AbstractEntry.php
new file mode 100644
index 000000000..f05803f0f
--- /dev/null
+++ b/vendor/zendframework/zend-feed/src/Reader/Entry/AbstractEntry.php
@@ -0,0 +1,233 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Entry;
+
+use DOMDocument;
+use DOMElement;
+use DOMXPath;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Exception;
+
+abstract class AbstractEntry
+{
+    /**
+     * Feed entry data
+     *
+     * @var array
+     */
+    protected $data = [];
+
+    /**
+     * DOM document object
+     *
+     * @var DOMDocument
+     */
+    protected $domDocument = null;
+
+    /**
+     * Entry instance
+     *
+     * @var DOMElement
+     */
+    protected $entry = null;
+
+    /**
+     * Pointer to the current entry
+     *
+     * @var int
+     */
+    protected $entryKey = 0;
+
+    /**
+     * XPath object
+     *
+     * @var DOMXPath
+     */
+    protected $xpath = null;
+
+    /**
+     * Registered extensions
+     *
+     * @var array
+     */
+    protected $extensions = [];
+
+    /**
+     * Constructor
+     *
+     * @param  DOMElement $entry
+     * @param  int $entryKey
+     * @param  string $type
+     */
+    public function __construct(DOMElement $entry, $entryKey, $type = null)
+    {
+        $this->entry       = $entry;
+        $this->entryKey    = $entryKey;
+        $this->domDocument = $entry->ownerDocument;
+        if ($type !== null) {
+            $this->data['type'] = $type;
+        } elseif ($this->domDocument !== null) {
+            $this->data['type'] = Reader\Reader::detectType($this->domDocument);
+        } else {
+            $this->data['type'] = Reader\Reader::TYPE_ANY;
+        }
+        $this->loadExtensions();
+    }
+
+    /**
+     * Get the DOM
+     *
+     * @return DOMDocument
+     */
+    public function getDomDocument()
+    {
+        return $this->domDocument;
+    }
+
+    /**
+     * Get the entry element
+     *
+     * @return DOMElement
+     */
+    public function getElement()
+    {
+        return $this->entry;
+    }
+
+    /**
+     * Get the Entry's encoding
+     *
+     * @return string
+     */
+    public function getEncoding()
+    {
+        $assumed = $this->getDomDocument()->encoding;
+        if (empty($assumed)) {
+            $assumed = 'UTF-8';
+        }
+        return $assumed;
+    }
+
+    /**
+     * Get entry as xml
+     *
+     * @return string
+     */
+    public function saveXml()
+    {
+        $dom   = new DOMDocument('1.0', $this->getEncoding());
+        $deep  = version_compare(PHP_VERSION, '7', 'ge') ? 1 : true;
+        $entry = $dom->importNode($this->getElement(), $deep);
+        $dom->appendChild($entry);
+        return $dom->saveXml();
+    }
+
+    /**
+     * Get the entry type
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->data['type'];
+    }
+
+    /**
+     * Get the XPath query object
+     *
+     * @return DOMXPath
+     */
+    public function getXpath()
+    {
+        if (! $this->xpath) {
+            $this->setXpath(new DOMXPath($this->getDomDocument()));
+        }
+        return $this->xpath;
+    }
+
+    /**
+     * Set the XPath query
+     *
+     * @param  DOMXPath $xpath
+     * @return AbstractEntry
+     */
+    public function setXpath(DOMXPath $xpath)
+    {
+        $this->xpath = $xpath;
+        return $this;
+    }
+
+    /**
+     * Get registered extensions
+     *
+     * @return array
+     */
+    public function getExtensions()
+    {
+        return $this->extensions;
+    }
+
+    /**
+     * Return an Extension object with the matching name (postfixed with _Entry)
+     *
+     * @param string $name
+     * @return Reader\Extension\AbstractEntry
+     */
+    public function getExtension($name)
+    {
+        if (array_key_exists($name . '\\Entry', $this->extensions)) {
+            return $this->extensions[$name . '\\Entry'];
+        }
+        return;
+    }
+
+    /**
+     * Method overloading: call given method on first extension implementing it
+     *
+     * @param  string $method
+     * @param  array $args
+     * @return mixed
+     * @throws Exception\RuntimeException if no extensions implements the method
+     */
+    public function __call($method, $args)
+    {
+        foreach ($this->extensions as $extension) {
+            if (method_exists($extension, $method)) {
+                return call_user_func_array([$extension, $method], $args);
+            }
+        }
+        throw new Exception\RuntimeException(sprintf(
+            'Method: %s does not exist and could not be located on a registered Extension',
+            $method
+        ));
+    }
+
+    /**
+     * Load extensions from Zend\Feed\Reader\Reader
+     *
+     * @return void
+     */
+    protected function loadExtensions()
+    {
+        $all     = Reader\Reader::getExtensions();
+        $manager = Reader\Reader::getExtensionManager();
+        $feed    = $all['entry'];
+        foreach ($feed as $extension) {
+            if (in_array($extension, $all['core'])) {
+                continue;
+            }
+            $plugin = $manager->get($extension);
+            $plugin->setEntryElement($this->getElement());
+            $plugin->setEntryKey($this->entryKey);
+            $plugin->setType($this->data['type']);
+            $this->extensions[$extension] = $plugin;
+        }
+    }
+}