interface OuterIterator implements Iterator (View source)

Classes implementing OuterIterator can be used to iterate over iterators.

Methods

mixed
current()

Return the current element

from  Iterator
void
next()

Move forward to next element

from  Iterator
mixed
key()

Return the key of the current element

from  Iterator
bool
valid()

Checks if current position is valid

from  Iterator
void
rewind()

Rewind the Iterator to the first element

from  Iterator
Iterator|null
getInnerIterator()

Returns the inner iterator for the current entry.

Details

mixed current()

Return the current element

Return Value

mixed

Can return any type.

void next()

Move forward to next element

Return Value

void

Any returned value is ignored.

mixed key()

Return the key of the current element

Return Value

mixed

TKey on success, or null on failure.

bool valid()

Checks if current position is valid

Return Value

bool

The return value will be casted to boolean and then evaluated. Returns true on success or false on failure.

void rewind()

Rewind the Iterator to the first element

Return Value

void

Any returned value is ignored.

Iterator|null getInnerIterator()

Returns the inner iterator for the current entry.

Return Value

Iterator|null

The inner iterator for the current entry.