Doctrine\MongoDB\Aggregation\Stage\Project::stdDevPop PHP 메소드

Project 1 문서 파일 보기 프로젝트 열기: doctrine/mongodb

stdDevPop() 공개 메소드

The argument can be any expression as long as it resolves to an array.
또한 보기: https://docs.mongodb.org/manual/reference/operator/aggregation/stdDevPop/
또한 보기: Expr::stdDevPop
부터: 1.3
public stdDevPop ( mixed | Expr $expression1 )
$expression1 mixed | Doctrine\MongoDB\Aggregation\Expr 
    public function stdDevPop($expression1)
    {
        $this->expr->stdDevPop(func_num_args() === 1 ? $expression1 : func_get_args());
        return $this;
    }
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