The SplPriorityQueue class

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

    Introduction

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

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

    Class synopsis

    classSplPriorityQueueimplementsIterator, Countable {
    publicconstintEXTR_BOTH;
    publicconstintEXTR_PRIORITY;
    publicconstintEXTR_DATA;
    publiccompare(mixed$priority1, mixed$priority2): int
    publiccount(): int
    publiccurrent(): mixed
    publicextract(): mixed
    publicgetExtractFlags(): int
    publicinsert(mixed$value, mixed$priority): true
    publicisCorrupted(): bool
    publicisEmpty(): bool
    publickey(): int
    publicnext(): void
    publicrecoverFromCorruption(): bool
    publicrewind(): void
    publicsetExtractFlags(int$flags): int
    publictop(): mixed
    publicvalid(): bool
    }

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