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diff --git a/ext/spl/internal/recursiveregexiterator.inc b/ext/spl/internal/recursiveregexiterator.inc
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+++ b/ext/spl/internal/recursiveregexiterator.inc
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+<?php
+
+/** @file recursiveregexiterator.inc
+ * @ingroup SPL
+ * @brief class RegexIterator
+ * @author  Marcus Boerger
+ * @date    2003 - 2006
+ *
+ * SPL - Standard PHP Library
+ */
+
+/**
+ * @brief   Recursive regular expression filter for iterators
+ * @author  Marcus Boerger
+ * @version 1.0
+ * @since PHP 5.1
+ *
+ * This filter iterator assumes that the inner iterator 
+ */
+class RecursiveRegexIterator extends RegexIterator implements RecursiveIterator
+{
+	/**
+	 * Constructs a regular expression filter around an iterator whose 
+	 * elemnts or keys are strings.
+	 *
+	 * @param it     Object that implements at least
+	 */
+	function __construct(RecursiveIterator $it, $regex, $flags = 0, $mode = 0, $preg_flags = 0) {
+		parent::__construct($it, $regex, $flags, $mode, $preg_flags);
+	}
+
+	/** @return whether the current element has children
+	 */
+	function hasChildren()
+	{
+		return $this->getInnerIterator()->hasChildren();
+	}
+
+	/** @return an iterator for the current elements children
+	 *
+	 * @note the returned iterator will be of the same class as $this
+	 */
+	function getChildren()
+	{
+		if (empty($this->ref))
+		{
+			$this->ref = new ReflectionClass($this);
+		}
+		return $this->ref->newInstance($this->getInnerIterator()->getChildren());
+	}
+	
+	private $ref;
+}
+
+?>
+\ No newline at end of file