(PHP 5 >= 5.1.0, PHP 7) Get result of SHOW WARNINGS

(PHP 5, PHP 7) Set result pointer to a specified field offset

(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, 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, PHP 7) Returns the current row of a result set as an object

(PHP 5, PHP 7) Fetch a result row as an associative array

(PHP 5 >= 5.5.0, PHP 7) Starts a transaction

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