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PHP: SplPriorityQueue::extract - Manual
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    SplPriorityQueue::extract

    (PHP 5 >= 5.3.0, PHP 7)

    SplPriorityQueue::extract — Extracts a node from top of the heap and sift up

    Description

    public SplPriorityQueue::extract ( void ) : mixed

    Parameters

    This function has no parameters.

    Return Values

    The value or priority (or both) of the extracted node, depending on the extract flag.

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