1--TEST-- 2SPL: SplCachingIterator, Test method to convert current element to string 3--CREDITS-- 4Chris Scott chris.scott@nstein.com 5#testfest London 2009-05-09 6--FILE-- 7<?php 8 9$ai = new ArrayIterator(array(new stdClass(), new stdClass())); 10$ci = new CachingIterator($ai); 11var_dump( 12$ci->__toString() // if conversion to string is done by echo, for example, an exeption is thrown. Invoking __toString explicitly covers different code. 13); 14?> 15--EXPECTF-- 16string(0) "" 17