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

(PECL CUBRID >= 8.3.0) Prepare a SQL statement for execution

(PECL mongo >=0.9.0) Checks if the cursor is reading a valid result.

(PHP 4, PHP <=5.2.0) Sets the default return value on a fetch row

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Imports file data to the LOB

(PECL paradox >= 1.1.0) Gets a parameter string

(PECL mongo >=1.5.0) Create a new command cursor

(PECL mongo >=0.9.2) Execute a database command

(PECL mongo >=0.9.0) Creates a new collection

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns the field number of the named field