update : 2015.11.03
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Peeks at the node from the top of the heap

SplHeap::top

(PHP 5 >= 5.3.0)

SplHeap::topPeeks at the node from the top of the heap

설명

public mixed SplHeap::top ( void )

인수

이 함수는 인수가 없습니다.

반환값

The value of the node on the top.

오류/예외

Throws RuntimeException when the data-structure is empty.