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# pg_pconnect

(PHP 3, PHP 4 )

pg_pconnect -- Open a persistent PostgreSQL connection

## Description

resource pg_pconnect ( string connection_string)

pg_pconnect() opens a connection to a PostgreSQL database. It returns a connection resource that is needed by other PostgreSQL functions.

For a description of the `connection_string` parameter, see pg_connect().

To enable persistent connection, the pgsql.allow_persistent `php.ini` directive must be set to "On" (which is the default). The maximum number of persistent connection can be defined with the pgsql.max_persistent `php.ini` directive (defaults to -1 for no limit). The total number of connections can be set with the pgsql.max_links `php.ini` directive.

pg_close() will not close persistent links generated by pg_pconnect().

See also pg_connect().

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