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authorSVN Migration <svn@php.net>2006-10-15 21:09:28 +0000
committerSVN Migration <svn@php.net>2006-10-15 21:09:28 +0000
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-SimpleXML is meant to be an easy way to access XML data.
-
-SimpleXML objects follow four basic rules:
-
-1) properties denote element iterators
-2) numeric indices denote elements
-3) non numeric indices denote attributes
-4) string conversion allows to access TEXT data
-
-When iterating properties then the extension always iterates over
-all nodes with that element name. Thus method children() must be
-called to iterate over subnodes. But also doing the following:
-foreach ($obj->node_name as $elem) {
- // do something with $elem
-}
-always results in iteration of 'node_name' elements. So no further
-check is needed to distinguish the number of nodes of that type.
-
-When an elements TEXT data is being accessed through a property
-then the result does not include the TEXT data of subelements.
-
-Known issues
-============
-
-Due to engine problems it is currently not possible to access
-a subelement by index 0: $object->property[0].
-
-TODO
-====
-
-At the moment property access to multiple elements of the same
-name returns an array of SimpleXML objects. This should be an
-object of a new type instead so that all kinds of linkage,
-assignment and deleting would work.