Iterator::valid
(PHP 5 >= 5.0.0)
Iterator::valid — Checks if current position is valid
Description
abstract public boolean Iterator::valid
( void
)
This method is called after Iterator::rewind and Iterator::next to check if the current position is valid.
Parameters
This function has no parameters.
Return Values
The return value will be casted to boolean and then evaluated. Returns TRUE on success or FALSE on failure.