(PHP 5 >= 5.3.0, PHP 7) Closes the prepared statement

(PHP 4 >= 4.0.4, PHP 5, PECL odbtp >= 1.1.1) Returns the number of records affected by the query

(PECL tokyo_tyrant >= 0.1.0) Returns the forward matching keys

(PHP 5 >= 5.6.0, PHP 7) Return information about open and cached links

(No version information available, might only be in Git) Frees all resources for the specified statement

(PHP 5 >= 5.3.0, PHP 7) Gets a result set from a prepared statement

(PECL ingres >= 1.1.0) Execute a prepared query

(PECL maxdb >= 1.0) Fetch meta-data for a single field

(PECL CUBRID >= 8.3.0) Get the facility code of error

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.1) Fetches the first column of a result set as a string