1 files changed, 0 insertions, 102 deletions
diff --git a/ext/spl/examples/key_filter.inc b/ext/spl/examples/key_filter.inc
deleted file mode 100755
index e8c4e42edc..0000000000
--- a/ext/spl/examples/key_filter.inc
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-
-/**
- * @brief   Regular expression filter for string iterators
- * @author  Marcus Boerger
- * @version 1.0
- *
- * Instances of this class act as a filter around iterators whose elements
- * are strings. In other words you can put an iterator into the constructor
- * and the instance will only return elements which match the given regular 
- * expression.
- */
-class key_filter implements spl_forward_assoc
-{
-	protected $it;
-	protected $regex;
-	protected $key;
-	protected $curr;
-
-	/**
-	 * Constructs a filter around an iterator whose elemnts are strings.
-	 * If the given iterator is of type spl_sequence then its rewind()
-	 * method is called.
-	 *
-	 * @param it     Object that implements at least spl_forward
-	 * @patam regex  Regular expression used as a filter.
-	 */
-	function __construct(spl_forward $it, $regex) {
-		if ($it instanceof spl_sequence) {
-			$it->rewind();
-		}
-		$this->it = $it;
-		$this->regex = $regex;
-		$this->fetch();
-	}
-	
-	/**
-	 * Destruct the iterator.
-	 */
-	function __destruct() {
-		unset($this->it);
-	}
-
-	/**
-	 * Fetch next element and store it.
-	 *
-	 * @return void
-	 */
-	protected function fetch() {
-		$this->key = false;
-		$this->curr = false;
-		while ($this->it->has_more()) {
-			$key = $this->it->key();
-			if (ereg($this->regex, $key)) {
-				$this->key = $key;
-				$this->curr = $this->it->current();
-				return;
-			}
-			$this->it->next();
-		};
-	}
-
-	/**
-	 * Move to next element
-	 *
-	 * @return void
-	 */
-	function next() {
-		$this->it->next();
-		$this->fetch();
-	}
-	
-	/**
-	 * @return Whether more elements are available
-	 */
-	function has_more() {
-		return $this->key !== false;
-	}
-	
-	/**
-	 * @return The current key
-	 */
-	function key() {
-		return $this->key;
-	}
-	
-	/**
-	 * @return The current value
-	 */
-	function current() {
-		return $this->curr;
-	}
-	
-	/**
-	 * hidden __clone
-	 */
-	protected function __clone() {
-		// disallow clone 
-	}
-}
-
-?>
-\ No newline at end of file