(PHP 5, PHP 7) Performs a query on the database

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

(PHP 5, PHP 7) Rolls back current transaction

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

(PHP 5, PHP 7) Gets the current system status

(PHP 5, PHP 7) Returns the number of columns for the most recent query

(PHP 5, PHP 7) Returns the number of warnings from the last query for the given link

(PHP 5, PHP 7) Retrieves information about the most recently executed query

(PHP 5, PHP 7) Initiate a result set retrieval

(PHP 5, PHP 7) Returns RPL query type int my