database.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

if (defined('XOOPS_C_DATABASE_INCLUDED')) {
    return;
}

define('XOOPS_C_DATABASE_INCLUDED', 1);

class XoopsDatabase
{
     var $prefix = '';

     var $logger;

    var $allowWebChanges = false;

    function XoopsDatabase()
    {
        // exit('Cannot instantiate this class directly');
    }

    function setLogger(&$logger)
    {
        $this->logger = &$logger;
    }

    function setPrefix($value)
    {
        $this->prefix = $value;
    }

    function prefix($tablename = '')
    {
        if ($tablename != '') {
            return $this->prefix . '_' . $tablename;
        } else {
            return $this->prefix;
        }
    }
}

class Database
{
    function &getInstance()
    {
        if (is_object($GLOBALS['xoopsLogger'])) {
            $GLOBALS['xoopsLogger']->addDeprecated("'Database::getInstance();' is deprecated since XOOPS 2.5.4, please use 'XoopsDatabaseFactory::getDatabaseConnection();' instead.");
        }
        $inst =& XoopsDatabaseFactory::getDatabaseConnection();
        return $inst;
    }
}

?>