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

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

(PHP 5, PHP 7) Get the number of fields in a result

(PHP 5, PHP 7) Selects the default database for database queries

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

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

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

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

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

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