Iterator::valid

(PHP 5 >= 5.0.0, PHP 7)

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.

Esta função não possui parâmetros.

The return value will be casted to boolean and then evaluated. Retorna TRUE em caso de sucesso ou FALSE em caso de falha.