SplHeap::isEmpty
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplHeap::isEmpty — Checks whether the heap is empty
说明
参数
此函数没有参数。
返回值
Returns whether the heap is empty.
add a note
User Contributed Notes
There are no user contributed notes for this page.
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplHeap::isEmpty — Checks whether the heap is empty
此函数没有参数。
Returns whether the heap is empty.
add a note
