SplPriorityQueue::top
SplFixedArray
SplPriorityQueue
PHP Manual

# SplPriorityQueue::valid

(PHP 5 >= 5.3.0)

SplPriorityQueue::valid — Check whether the queue contains more nodes

### 설명

bool SplPriorityQueue::valid ( void )

Checks if the queue contains any more nodes.

### 인수

이 함수는 인수가 없습니다.

### 반환값

Returns `TRUE` if the queue contains any more nodes, `FALSE` otherwise.

SplPriorityQueue::top
SplFixedArray
SplPriorityQueue
PHP Manual