SplHeap::key
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplHeap::key — Return current node index
参数
此函数没有参数。
返回值
The current node index.
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(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplHeap::key — Return current node index
此函数没有参数。
The current node index.
add a note
