current()
getChildren()
hasChildren()
key()
next()
rewind()
valid()
$children
$index
current() : mixed
getChildren() : \RecursiveIterator
| link | http://php.net/manual/en/recursiveiterator.getchildren.php | 
|---|
\RecursiveIteratorAn iterator for the current entry.hasChildren() : bool
| link | http://php.net/manual/en/recursiveiterator.haschildren.php | 
|---|
booltrue if the current entry can be iterated over, otherwise returns false.key() : int | null
| link | http://php.net/manual/en/iterator.key.php | 
|---|
intnullscalar on success, or null on failure.next() : void
rewind() : void
valid() : bool
| link | http://php.net/manual/en/iterator.valid.php | 
|---|
boolThe return value will be casted to boolean and then evaluated. Returns true on success or false on failure.$children : array
$index : int