Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 62 insertions, 0 deletions

diff --git a/ext/spl/internal/emptyiterator.inc b/ext/spl/internal/emptyiterator.inc
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+<?php
+
+/** @file emptyiterator.inc
+ * @ingroup SPL
+ * @brief class EmptyIterator
+ * @author  Marcus Boerger
+ * @date    2003 - 2009
+ *
+ * SPL - Standard PHP Library
+ */
+
+/** @ingroup SPL
+ * @brief   An empty Iterator
+ * @author  Marcus Boerger
+ * @version 1.0
+ * @since PHP 5.1
+ */
+class EmptyIterator implements Iterator
+{
+	/** No operation.
+	 * @return void
+	 */
+	function rewind()
+	{
+		// nothing to do
+	}
+
+	/** @return \c false
+	 */
+	function valid()
+	{
+		return false;
+	}
+
+	/** This function must not be called. It throws an exception upon access.
+	 * @throw Exception
+	 * @return void
+	 */
+	function current()
+	{
+		throw new Exception('Accessing the value of an EmptyIterator');
+	}
+
+	/** This function must not be called. It throws an exception upon access.
+	 * @throw Exception
+	 * @return void
+	 */
+	function key()
+	{
+		throw new Exception('Accessing the key of an EmptyIterator');
+	}
+
+	/** No operation.
+	 * @return void
+	 */
+	function next()
+	{
+		// nothing to do
+	}
+}
+
+?>
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