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

    abstractclassSplHeapimplementsIterator, Countable {
    protectedcompare(mixed$value1, mixed$value2): int
    publiccount(): int
    publiccurrent(): mixed
    publicextract(): mixed
    publicinsert(mixed$value): true
    publicisCorrupted(): bool
    publicisEmpty(): bool
    publickey(): int
    publicnext(): void
    publicrecoverFromCorruption(): bool
    publicrewind(): void
    publictop(): mixed
    publicvalid(): bool
    }

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