/**
* Loads a class file from the libraries folder.
*
* Contrary to library(), it does not instantiate the class.
*
* @access public
* @param string The file name ( + optional path)
* @return void
*/
function class_file($file = '')
{
Finder::load_file($file, 'libraries');
}
/**
* Static accessor for all models.
*
* @param string The path to the file relative to the models dir
* @param string The database connection to use
* @return object
*/
function &Model($model, $db_conn = '')
{
static $models = array();
// already loaded?
if (isset($models[$model])) {
return $models[$model];
}
if (!class_exists('Model')) {
load_class('Model', 'core');
}
if (!Finder::load_file($model, 'models', false)) {
show_error('Unable to locate the model you have specified: ' . $model);
}
if (($p = strrpos($model, '/')) !== false) {
$model = substr($model, $p + 1);
}
// $model .= '_Model';
$models[$model] = new $model();
// load the database
if ($db_conn !== false) {
$models[$model]->db = Lib('loader')->database($db_conn === true ? '' : $db_conn, true);
}
// reference other libs
// $models[$model]->_assign_libraries();
return $models[$model];
}