pgsqlConnection.php

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<?php

/**
 * Postgres database connection class
 *
 * @package objSQL
 * @version 2.1.0
 * @author MT Jordan <mtjo62@gmail.com>
 * @link http://objsql.sourceforge.net
 * @copyright 2004-2010 openSource Partners
 * @license LGPL
 * @revision $Id: pgsqlConnection.php,v 1.6 2008-01-30 21:37:05-05 mt_jordan Exp $
 */

class pgsqlConnection
{
    /**********************************************
     * Internal variables
     *********************************************/

    /**
     * Database connection object
     *
     * @access private
     * @var    mixed
     */
    private $objConnection;

    /**
     * Database connection information
     *
     * @access private
     * @var    array
     */
    private $objDatasource;

    /**********************************************
     * Class methods
     *********************************************/
    /**
     * Constructor
     *
     * @access public
     * @param  array $datasource
     */
    public function __construct( $datasource )
    {
        $this->objDatasource    = $datasource;
        $this->objDatasource[5] = ( array_key_exists( 5, $this->objDatasource ) && $this->objDatasource[5] ) ? true : false;
    }

    /**
     * Connect to database server
     *
     * @access public
     * @return mixed
     */
    public function objDbConnection()
    {
        $objStr = sprintf( 'host=%s dbname=%s user=%s password=%s', $this->objDatasource[1], $this->objDatasource[4], $this->objDatasource[2], $this->objDatasource[3] );

        $this->objConnection = ( $this->objDatasource[5] ) ? pg_pconnect( $objStr )
                                                           : pg_connect( $objStr );

        if ( !$this->objConnection )
            trigger_error( pg_last_error(), E_USER_WARNING );

        return $this->objConnection;
    }

    /**
     * Close connection to database server
     *
     * @access public
     * @return bool
     */
    public function objDbClose()
    {
        return pg_close( $this->objConnection );
    }

    /**
     * Return info on database server
     *
     * @access public
     * @return str
     */
    public function objServerVersion()
    {
        $objVer = pg_version( $this->objConnection );

        return $objVer['client'];
    }
}

?>