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 compare($value1, $value2) // -> int [\SplHeap]
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<?php namespace SEIDS\Heaps\Binary;
//==============================================================================
// PHP SEIDS: Supplementary, Easily Interchangeable Data Structures
// 
// Copyright 2015, Daniel A.C. Martin
// Distributed under the MIT License.
// (See LICENSE file for details.)
//==============================================================================
class MaxHeap extends Heap
{
    protected function compare($value1, $value2) // -> int [\SplHeap]
    {
        return $value1 - $value2;
    }
}