The SplHeap class

(PHP 5 >= 5.3.0)

Введение

The SplHeap class provides the main functionalities of a Heap.

Обзор классов

abstract SplHeap implements Iterator , Countable {
/* Методы */
__construct ( void )
abstract int compare ( mixed $value1 , mixed $value2 )
int count ( void )
mixed current ( void )
mixed extract ( void )
void insert ( mixed $value )
bool isEmpty ( void )
mixed key ( void )
void next ( void )
void recoverFromCorruption ( void )
void rewind ( void )
mixed top ( void )
bool valid ( void )
}

Содержание

• 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 — Peeks at the node from the top of the heap
• SplHeap::valid — Check whether the heap contains more nodes

Описание класса splheap, примеры использования класса splheap.

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