(PHP 5, PHP 7) Returns the version of the MySQL server

(PHP 5, PHP 7) Turns on or off auto-committing database modifications

(PHP 5 >= 5.3.0, PHP 7) Gets a result set from a prepared statement

(PHP 5, PHP 7) Changes the user of the specified database connection

(PHP 5 >= 5.0.5, PHP 7) Sets the default client character set

(PHP 5, PHP 7) Stop embedded server void my

(PHP 5 < 5.3.0) Force execution of a query on a slave in a master/slave setup

(PHP 5, PHP 7) The next purpose public void

(PHP 5, PHP 7) Returns the thread ID for the current connection

(PHP 5, PHP 7) Returns a string representing the type of connection used