(PHP 5, PHP 7) Transfers a result set from the last query

(PHP 5, PHP 7) Returns the default character set for the database connection

(PHP 5, PHP 7) Used to modify the behavior of a prepared statement

(PHP 5, PHP 7) Dump debugging information into the log

(PHP 5, PHP 7) Returns the lengths of the columns of the current row in the result set

(PHP 5, PHP 7) Returns the number of parameter for the given statement

(PHP 5 >= 5.5.0, PHP 7) Removes the named savepoint from the set of savepoints of the current transaction

(PHP 5, PHP 7) Adjusts the result pointer to an arbitrary row in the result

(PHP 5 >= 5.3.0, PHP 7) Poll connections public

(PHP 5, PHP 7) Performs debugging operations