Iterator::valid

(PHP 5 >= 5.0.0)

Iterator::valid — Checks if current position is valid

abstract public boolean Iterator::valid ( void )

This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.

Questa funzione non contiene parametri.

The return value will be casted to boolean and then evaluated. Restituisce TRUE in caso di successo, FALSE in caso di fallimento.