array mysql_fetch_lengths ( resource $result )
Returns an array that corresponds to the lengths of each field in the last row fetched by MySQL. mysql_fetch_lengths() stores the lengths of each result column in the last row returned by mysql_fetch_row(), mysql_fetch_assoc(), mysql_fetch_array(), and mysql_fetch_object() in an array, starting at offset 0.
An array of lengths on success or FALSE on failure.