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