(PHP 5 < 5.3.0) Disable RPL parse bool my

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

(PHP 5, PHP 7) Returns the MySQL client version as an integer

(PHP 5 < 5.3.0) Enable reads from master bool

(PHP 5 < 5.4.0) Alias for

(PHP 5, PHP 7) Pings a server connection, or tries to reconnect if the connection has gone down

(PHP 5, PHP 7) Binds variables to a prepared statement as parameters

(PHP 5 >= 5.6.0, PHP 7) Return information about open and cached links

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

(PHP 5 < 5.4.0) Alias for