/**
* Get a raw dependency database. Calls setConfig() and assertDepsDB()
* @param PEAR_Config
* @param string|false full path to the dependency database, or false to use default
* @return PEAR_DependencyDB|PEAR_Error
* @static
*/
function &singleton(&$config, $depdb = false)
{
$phpdir = $config->get('php_dir', null, 'pear.php.net');
if (!isset($GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE'][$phpdir])) {
$a = new PEAR_DependencyDB();
$GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE'][$phpdir] =& $a;
$a->setConfig($config, $depdb);
$e = $a->assertDepsDB();
if (PEAR::isError($e)) {
return $e;
}
}
return $GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE'][$phpdir];
}
