(PHP 5 >= 5.1.0, PHP 7) Returns an individual field of an error report.

(PHP 5 >= 5.1.0, PHP 7) Determines the verbosity of messages returned by

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

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Export a large object to file

(PHP 5 >= 5.6.0, PHP 7) Get a read only handle to the socket underlying a PostgreSQL connection

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Cancel an asynchronous query

(PHP 4, PHP 5, PHP 7) Fetch a row as an object

(PHP 5 >= 5.2.0, PHP 7) Returns the name or oid of the tables field

(PHP 5, PHP 7) Looks up a current parameter setting of the server.

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Enable tracing a PostgreSQL connection