Make SimpleXMLElement a RecursiveIterator #5234
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Context: https://externals.io/message/108789 This essentially moves the functionality of SimpleXMLIterator into SimpleXMLElement, and makes SimpleXMLIterator a no-op extension. Ideally SimpleXMLElement would be an IteratorAggregate, whose getIterator() method returns SimpleXMLIterator. However, because SimpleXMLIterator extends SimpleXMLElement (and code depends on this in non-trivial ways), this is not possible. The only way to not keep SimpleXMLElement as a magic Traversable (that implements neither Iterator nor IteratorAggregate) is to move the SimpleXMLIterator functionality into it.
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Context: https://externals.io/message/108789
This essentially moves the functionality of SimpleXMLIterator into
SimpleXMLElement, and makes SimpleXMLIterator a no-op extension.
Ideally SimpleXMLElement would be an IteratorAggregate, whose
getIterator() method returns SimpleXMLIterator. However, because
SimpleXMLIterator extends SimpleXMLElement (and code depends on
this in non-trivial ways), this is not possible.
The only way to not keep SimpleXMLElement as a magic Traversable
(that implements neither Iterator nor IteratorAggregate) is to
move the SimpleXMLIterator functionality into it.