mysqli_fetch_lengths result->fetch_lengths Returns the lengths of the columns of the current row in the result set Procedural style: mixedmysqli_fetch_lengths objectresult Object oriented style (property): result mixedfetch_lengths The mysqli_fetch_lengths function returns an array containing the lengths of every column of the current row within the result set represented by the result parameter. If successful, a numerically indexed array representing the lengths of each column is returned or &false; on failure. An array of integers representing the size of each column (not including any terminating null characters). &false; if an error occurred. mysql_fetch_lengths is valid only for the current row of the result set. It returns &false; if you call it before calling mysql_fetch_row/array/object or after retrieving all rows in the result.