(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Return the port number associated with the connection

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Gets SQL NOTIFY message

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

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Returns the Oracle Database version

(PECL maxdb >= 1.0) Enforce execution of a query on the master in a master/slave setup

(No version information available, might only be in Git) Gets field data from the currently selected row

(PECL mongo >= 1.5.0) Check if a value is a valid ObjectId

(PECL CUBRID >= 8.3.0) Fetch the next row from a result set

(PECL maxdb >= 1.0) Opens a connection to a MaxDB server