Iterator::rewind
IteratorAggregate
Iterator
PHP Manual

# Iterator::valid

(PHP 5 >= 5.1.0)

Iterator::valid — Checks 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::rewind
IteratorAggregate
Iterator
PHP Manual