(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Resolve host information for relation

(PHP 5, PHP 7) Open a new connection to the MySQL server

(PECL mongo >=0.9.0) Clears the cursor public

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Set the LOB retrieve mode for a FrontBase result set

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Returns a field's data type name

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.9.0) Returns a single column from the next row of a result set

(PHP 4, PHP 5, PHP 7) Open a persistent database connection

(PECL mongo >= 1.0.8) Gets the hostname being used for this machine's ids

(PHP 5 >= 5.3.0, PHP 7) Returns the type of the nth column

(PHP 4, PHP 5, PHP 7) Gets the number of fields of a database