Пример #1
0
 /**
  * Returns an array of all values that result from applying an expression to
  * each document in a group of documents that share the same group by key.
  *
  * @see Expr::push
  * @param mixed|Expr $expression
  * @return Operator
  */
 public function push($expression)
 {
     $this->expr->push($expression);
     return $this;
 }