(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get connection status

(PHP 4 >= 4.0.6, PHP 5 <= 5.0.5, PECL dbx >= 1.1.0) Close an open connection/database

(PHP 4, PHP 5, PHP 7) Close a DBA database void

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Get or set the host name used with a connection

(PHP 5 >= 5.3.0, PHP 7) Attempts to load an SQLite extension library

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Request exclusive lock on relation

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Decode binary data passed as parameters to an

(PHP 4, PHP 5, PHP 7, PECL OCI8 >= 1.0.0) Alias of

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Set busy timeout duration, or disable busy handlers

(PECL maxdb >= 1.0) Changes the user of the specified database connection