(PECL maxdb >= 1.0) Alias of

(PECL mongo >=1.0.8) Stores a file in the database

(PHP 5 >= 5.1.0 and < 5.4.0) Returns the current row index

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Frees a descriptor

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Set index

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Free exclusive lock on relation

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Returns the textual description of an error code

(PECL paradox >= 1.4.0) Converts a date into a string.

(PHP 5 >= 5.1.3, PHP 7, PECL pdo >= 1.0.3) Return an array of available PDO drivers

(PHP 4, PHP 5, PHP 7) Gets the primary keys for a table