/** * Truncates a number to its integer. * * The <number> expression can be any valid expression as long as it * resolves to a number. * * @see https://docs.mongodb.org/manual/reference/operator/aggregation/trunc/ * @see Expr::trunc * @param mixed|Expr $number * @return self * * @since 1.3 */ public function trunc($number) { $this->expr->trunc($number); return $this; }