php man page for pg_version

PG_VERSION(3)															     PG_VERSION(3)

pg_version - Returns an array with client, protocol and server version (when available)

SYNOPSIS
       array pg_version ([resource  $connection])

DESCRIPTION
       pg_version(3)  returns  an  array  with the client, protocol and server version. Protocol and server versions are only available if PHP was
       compiled with PostgreSQL 7.4 or later.

	For more detailed server information, use pg_parameter_status(3).

PARAMETERS
	      o $connection
		- PostgreSQL database connection resource. When $connection is not present, the default connection is used. The default connection
		is the last connection made by pg_connect(3) or pg_pconnect(3).

RETURN VALUES
	Returns an array with client, protocol and server keys and values (if available). Returns FALSE on error or invalid connection.

EXAMPLES
       Example #1

	      pg_version(3) example

	      <?php
		$dbconn = pg_connect("host=localhost port=5432 dbname=mary")
		   or die("Could not connect");

		$v = pg_version($dbconn);

		echo $v['client'];
	      ?>

	      The above example will output:

	      7.4

SEE ALSO
       pg_parameter_status(3).

PHP Documentation Group 													     PG_VERSION(3)