Iterator::valid

(PHP 5 >= 5.1.0)

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.

이 함수는 인수가 없습니다.

The return value will be casted to boolean and then evaluated. 성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.