public function divide($expression1, $expression2) : self
    {
        $this->expr->divide($expression1, $expression2);

        return $this;
    }
public function divide($expression1, $expression2) : self
    {
        $this->expr->divide($expression1, $expression2);

        return $this;
    }
public function divide ( $ expression1 , $ expression2 ) : self { $ this -> expr -> divide ( $ expression1 , $ expression2 ) ; return $ this ; }
Divides one number by another and returns the result. The first argument
is divided by the second argument.

The arguments can be any valid expression as long as the resolve to numbers.

@see http://docs.mongodb.org/manual/reference/operator/aggregation/divide/
@see Expr::divide

@param mixed|Expr $expression1
@param mixed|Expr $expression2
Divides one number by another and returns the result . The first argument is divided by the second argument .