(PHP 4 >= 4.2.0, PHP 5, PHP 7) Free result memory

(PHP 4, PHP 5, PHP 7) Open a PostgreSQL connection

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Select records

(PHP 4, PHP 5, PHP 7) Returns the host name associated with the connection

(PHP 5 >= 5.4.4, PHP 7) Escape a literal for insertion into a text field

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Close a large object

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

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

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns the type name for the corresponding field number

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Seeks position within a large object