Exemplos de Doctrine\MongoDB\Aggregation Expr::sum em PHP

sum() public method

Calculates and returns the sum of all the numeric values that result from applying a specified expression to each document in a group of documents that share the same group by key. Ignores nun-numeric values.

See also: http://docs.mongodb.org/manual/reference/operator/aggregation/sum/

public sum ( mixed | self $expression )
$expression	mixed | self

Exemplo n.º 1

Arquivo: Group.php Projeto: Wizkunde/mongodb

 /**
  * Calculates and returns the sum of all the numeric values that result from
  * applying a specified expression to each document in a group of documents
  * that share the same group by key. Ignores nun-numeric values.
  *
  * @see http://docs.mongodb.org/manual/reference/operator/aggregation/sum/
  * @see Expr::sum
  * @param mixed|Expr $expression
  * @return Operator
  */
 public function sum($expression)
 {
     $this->expr->sum($expression);
     return $this;
 }