interface SeekableIterator implements Iterator (View source)

The Seekable iterator.

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
void
seek(int $offset)

Seeks to a position

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.

void seek(int $offset)

Seeks to a position

Parameters

int $offset

The position to seek to.

Return Value

void