/** * Calculates the log base 10 of a number and returns the result as a double. * * The <number> expression can be any valid expression as long as it * resolves to a non-negative number. * The <base> expression can be any valid expression as long as it resolves * to a positive number greater than 1. * * @see https://docs.mongodb.org/manual/reference/operator/aggregation/log/ * @see Expr::log10 * @param mixed|Expr $number * @return self * * @since 1.3 */ public function log10($number) { $this->expr->log10($number); return $this; }