SplPriorityQueue::setExtractFlags

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

SplPriorityQueue::setExtractFlags — Sets the mode of extraction

说明

public SplPriorityQueue::setExtractFlags(int $flags): int

参数

flags

Defines what is extracted by SplPriorityQueue::current(), SplPriorityQueue::top() and SplPriorityQueue::extract().

  • SplPriorityQueue::EXTR_DATA (0x00000001): Extract the data
  • SplPriorityQueue::EXTR_PRIORITY (0x00000002): Extract the priority
  • SplPriorityQueue::EXTR_BOTH (0x00000003): Extract an array containing both

The default mode is SplPriorityQueue::EXTR_DATA.

返回值

Returns the flags of extraction.

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