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이 문서에서는 PHP 중국어 웹사이트 매뉴얼 풀어 주다
(PECL hrtime >= 0.4.3)
HRTime\StopWatch::getElapsedTime — Get elapsed time for all intervals.
$unit
] )Get elapsed time for all the previously closed intervals.
unit
Time unit represented by a HRTime\Unit constant. Default is HRTime\Unit::SECOND.
Returns float indicating elapsed time.