(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Rolls back a transaction

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Fetches the next row from a result set

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Returns the number of columns in the result set

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.1) Quotes a string for use in a query.

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Fetch extended error information associated with the last

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Commits a transaction

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Binds a parameter to the specified variable name

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Executes an SQL statement, returning a result set as a PDOStatement

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Returns metadata for a column in a result set

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Advances to the next rowset in a multi-rowset statement handle