The SplHeap class
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Introduction
The SplHeap class provides the main functionalities of a Heap.
Class synopsis
/* Methods */
}Table of Contents
- SplHeap::compare — Compare elements in order to place them correctly in the heap while sifting up
- SplHeap::count — Counts the number of elements in the heap
- SplHeap::current — Return current node pointed by the iterator
- SplHeap::extract — Extracts a node from top of the heap and sift up
- SplHeap::insert — Inserts an element in the heap by sifting it up
- SplHeap::isCorrupted — Tells if the heap is in a corrupted state
- SplHeap::isEmpty — Checks whether the heap is empty
- SplHeap::key — Return current node index
- SplHeap::next — Move to the next node
- SplHeap::recoverFromCorruption — Recover from the corrupted state and allow further actions on the heap
- SplHeap::rewind — Rewind iterator back to the start (no-op)
- SplHeap::top — Peeks at the node from the top of the heap
- SplHeap::valid — Check whether the heap contains more nodes
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