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Bug #29901 can't extend class that implements both IteratorAggregate and Iterator
Submitted: 2004-08-30 19:18 UTC Modified: 2004-08-30 20:52 UTC
From: nad at datapro dot lv Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5.0.1 OS: Windows 2000
Private report: No CVE-ID: None
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From: nad at datapro dot lv
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 [2004-08-30 19:18 UTC] nad at datapro dot lv
Description:
------------
Fatal error: Class FooExtra could not implement interface IteratorAggregate in Unknown on line 0



Reproduce code:
---------------
class Foo implements
      IteratorAggregate, Iterator
{
   function rewind(){}
   function hasMore() {}
   function key() {}
   function current(){}
   function next() {}
   function valid() {}
   function getIterator() { return $this;}
}

class FooExtra extends Foo
{   function valid() {} }

Actual result:
--------------
Fatal error: Class FooExtra could not implement interface IteratorAggregate in Unknown on line 0

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 [2004-08-30 20:52 UTC] helly@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

Wrong code. Never extend from both Iterator and IteratorAccess.
 
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