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The SplHeap class
Introduction
The SplHeap class provides the main functionalities of an Heap.
Class synopsis
SplHeap
abstract class SplHeap
implements
Iterator
,
Countable
{
/* Methods */
__construct
( void
)
}Table of Contents
- SplHeap::compare — Compare elements in order to place them correctly in the heap while sifting up.
- SplHeap::__construct — Constructs a new empty heap
- 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::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 — Peaks at the node from the top of the heap
- SplHeap::valid — Check whether the heap contains more nodes
