(PHP 5, PHP 7) Initializes MySQLi and returns a resource for use with mysqli_real_connect()

(PHP 5, PHP 7) Rolls back current transaction

(PHP 5, PHP 7) Executes a prepared Query bool

(PHP 5, PHP 7) Returns the error code for the most recent statement call

(PHP 5, PHP 7) Get MySQL client info string

(PHP 5 >= 5.3.0, PHP 7) Check if there are more query results from a multiple query

(PHP 5, PHP 7) Closes a previously opened database connection

(PHP 5, PHP 7) Opens a connection to a mysql server

(PHP 5 >= 5.3.0, PHP 7) Returns statistics about the client connection

(PHP 5, PHP 7) Frees the memory associated with a result