The SplPriorityQueue class

(PHP 5 >= 5.3.0, PHP 7, PHP 8)


The SplPriorityQueue class provides the main functionalities of a prioritized queue, implemented using a max heap.

注意: The order of elements with identical priority is undefined. It may differ from the order in which they have been inserted.


class SplPriorityQueue implements Iterator, Countable {
/* 方法 */
public compare(mixed $priority1, mixed $priority2): int
public count(): int
public current(): mixed
public extract(): mixed
public getExtractFlags(): int
public insert(mixed $value, mixed $priority): bool
public isCorrupted(): bool
public isEmpty(): bool
public key(): int
public next(): void
public recoverFromCorruption(): bool
public rewind(): void
public setExtractFlags(int $flags): int
public top(): mixed
public valid(): bool