(No version information available, might only be in Git) Retrieves metadata for the fields of a statement prepared

(PECL maxdb >= 1.0) Get current field offset of a result pointer

(PECL ibm_db2 >= 1.0.0) Rolls back a transaction

(PHP 4, PHP 5, PHP 7, PECL OCI8 >= 1.0.0) Alias of

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

(PECL maxdb >= 7.6.06.04) Returns whether thread safety is given or not

(PECL mongo >=1.3.0) Gets an array of names for all collections in this database

(PHP 5, PHP 7) Return the number of parameters in a prepared query

(PHP 4, PHP <=5.2.0) Sets the current file or seek position

(PHP 4, PHP 5, PHP 7) Lists tables and the privileges associated with each table