Iterator::rewind
IteratorAggregate
Iterator
PHP Manual

# Iterator::valid

(PHP 5 >= 5.1.0)

Iterator::valid — Checks if current position is valid

### Описание

abstract public boolean Iterator::valid ( void )

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

### Список параметров

This function has no parameters.

### Возвращаемые значения

The return value will be casted to boolean and then evaluated. Возвращает `TRUE` в случае успешного завершения или `FALSE` в случае возникновения ошибки.

Iterator::rewind
IteratorAggregate
Iterator
PHP Manual