Inserts an element in the heap by sifting it up

# SplHeap::insert

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

SplHeap::insert — Inserts an element in the heap by sifting it up

### 说明

public function SplHeap::insert(mixed `$value`): true

Insert `value` in the heap.

### 参数

`value`

  The value to insert.

### 返回值

总是返回 `true`。

### 更新日志

版本 | 说明
--- | ---
8.4.0 | SplHeap::insert() now has a tentative return of true.

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