PHP Doctrine\MongoDB\Aggregation Expr::arrayElemAt 예제들

arrayElemAt() 공개 메소드

The expression can be any valid expression as long as it resolves to an array. The expression can be any valid expression as long as it resolves to an integer.

또한 보기: https://docs.mongodb.org/manual/reference/operator/aggregation/arrayElemAt/

부터: 1.3

public arrayElemAt ( mixed | self $array, mixed | self $index )
$array	mixed | self
$index	mixed | self

예제 #1

파일: Operator.php 프로젝트: malukenho/mongodb

 /**
  * Returns the element at the specified array index.
  *
  * The <array> expression can be any valid expression as long as it resolves
  * to an array.
  * The <idx> expression can be any valid expression as long as it resolves
  * to an integer.
  *
  * @see https://docs.mongodb.org/manual/reference/operator/aggregation/arrayElemAt/
  * @see Expr::arrayElemAt
  * @param mixed|Expr $array
  * @param mixed|Expr $index
  * @return self
  *
  * @since 1.3
  */
 public function arrayElemAt($array, $index)
 {
     $this->expr->arrayElemAt($array, $index);
     return $this;
 }