(PECL maxdb >= 1.0) Returns an array of resources representing the fields in a result set

(PHP 5, PHP 7) Returns the number of warnings from the last query for the given link

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Returns an array containing all of the result set rows

(PECL ibm_db2 >= 1.0.0) Returns the data type of the indicated column in a result set

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Returns the rowid of the most recently inserted row

(PECL CUBRID >= 8.3.0) Return the associative array that corresponds to the fetched row

(PECL mongo >=0.9.0) Returns the cursor to the beginning of the result set

(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0) Get the type of a field in a query result

(PHP 5, PHP 7) Get information about a field

(PECL mongo >= 0.8.1) The string representation of this binary data object.