GoLang SplMaxHeap::compare

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PHP SplMaxHeap::compare

PHP original manual for SplMaxHeap::compare [ show | php.net ]


(PHP 5 >= 5.3.0, PHP 7)

SplMaxHeap::compareCompare elements in order to place them correctly in the heap while sifting up


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

Compare value1 with value2.



The value of the first node being compared.


The value of the second node being compared.

Return Values

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


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