Iterator
PHP Manual

Iterator::valid

(PHP 5 >= 5.1.0)

Iterator::validChecks if current position is valid

Descripción

abstract public boolean Iterator::valid ( void )

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

Lista de parámetros

This function has no parameters.

Valores retornados

The return value will be casted to boolean and then evaluated. Devuelve TRUE si todo se llevó a cabo correctamente, FALSE en caso de fallo.


Iterator
PHP Manual