(PHP 4 >= 4.3.0, PHP 5, PHP 7) Insert array into table

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns values from a result resource

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

(PHP 5 >= 5.1.0, PHP 7) Sends a request to execute a prepared statement with given parameters, and waits

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Import a large object from file

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Ping database connection

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

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Update table

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