1 files changed, 29 insertions, 0 deletions
diff --git a/ext/spl/internal/seekableiterator.inc b/ext/spl/internal/seekableiterator.inc
new file mode 100755
index 0000000000..3012155771
--- /dev/null
+++ b/ext/spl/internal/seekableiterator.inc
@@ -0,0 +1,29 @@
+<?php
+
+/** \brief seekable iterator
+ *
+ * Turns a normal iterator ino a seekable iterator. When there is a way
+ * to seek on an iterator LimitIterator can use this to efficiently rewind
+ * to offset.
+ */
+interface SeekableIterator implements Iterator
+{
+	/** Seek to an absolute position
+	 *
+	 * \param $index position to seek to
+	 * \return void
+	 *
+	 * \note The method should throw an exception if it is not possible to
+	 *       seek to the given position.
+	 */
+	function seek($index);
+/*		$this->rewind();
+		$position = 0;
+		while($position < $index && $this->valid()) {
+			$this->next();
+			$position++;
+		}
+	}*/
+}
+
+?>
+\ No newline at end of file