(PHP 4, PHP 5, PHP 7) Return the port number associated with the connection

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 5.3.2, PHP 7, PECL OCI8 >= 1.4.0) Sets the client identifier

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Fetches the next row from a result set

(PECL mongo >=0.9.2) Return an explanation of the query, often useful for optimization and debugging

(PECL maxdb >= 1.0) Opens a connection to a MaxDB server

(PECL tokyo_tyrant >= 0.2.0) Move to next key

(PHP 5, PHP 7) Fetch meta-data for a single field

(PHP 5, PHP 7) Close a connection to an InterBase database

(PHP 4, PHP 5, PHP 7) Alias of