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PHP Manual
SplHeap
Counts the number of elements in the heap

SplHeap::count

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplHeap::count — Counts the number of elements in the heap

說(shuō)明

public SplHeap::count(): int

參數

此函數沒(méi)有參數。

返回值

Returns the number of elements in the heap.

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