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    SplMaxHeap::compare

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

    SplMaxHeap::compare — Compare elements in order to place them correctly in the heap while sifting up

    Açıklama

    protected SplMaxHeap::compare(mixed $value1, mixed $value2): int

    Compare value1 with value2.

    Bağımsız Değişkenler

    value1

    The value of the first node being compared.

    value2

    The value of the second node being compared.

    Dönen Değerler

    Result of the comparison, positive integer if value1 is greater than value2, 0 if they are equal, negative integer otherwise.

    Bilginize:

    Having multiple elements with the same value in a Heap is not recommended. They will end up in an arbitrary relative position.

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    User Contributed Notes 1 note

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    sixd at php dot net
    13 years ago
    Note the definition of SplMaxHeap::compare() is different from SplMinHeap::compare()
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