Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

PostgreSQL configuration options

Name	Default	Changeable	Changelog
pgsql.allow_persistent	"1"	PHP_INI_SYSTEM
pgsql.max_persistent	"-1"	PHP_INI_SYSTEM
pgsql.max_links	"-1"	PHP_INI_SYSTEM
pgsql.auto_reset_persistent	"0"	PHP_INI_SYSTEM	Available since PHP 4.2.0.
pgsql.ignore_notice	"0"	PHP_INI_ALL	Available since PHP 4.3.0.
pgsql.log_notice	"0"	PHP_INI_ALL	Available since PHP 4.3.0.

For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

pgsql.allow_persistent boolean

Whether to allow persistent Postgres connections.

pgsql.max_persistent integer

The maximum number of persistent Postgres connections per process.

pgsql.max_links integer

The maximum number of Postgres connections per process, including persistent connections.

pgsql.auto_reset_persistent integer

Detect broken persistent links with pg_pconnect. Needs a little overhead.

pgsql.ignore_notice integer

Whether or not to ignore PostgreSQL backend notices.

pgsql.log_notice integer

Whether or not to log PostgreSQL backends notice messages. The PHP directive pgsql.ignore_notice must be off in order to log notice messages.