controller loader for slim framework

loader.plugin.php

<?php

Slim::hook('slim.before.dispatch', function () {
        list( $type, $controller_name, $controller_action ) = array_merge( explode( '.', Slim::router()->current()->getName() ), array( null,null,null ) );
        if( $type == 'controller' ) {
                $file = './controllers/'.$controller_name.'.controller.class.php';
                if( !is_readable( $file ) ) { return false; }
                require_once( './controllers/base.controller.class.php' );
                require_once( $file );
                $class = $controller_name.'Controller';
                $controller = new $class( Slim::getInstance() );
                $params = Slim::router()->current()->getParams();
                $action = ( isset( $params['action'] ) && is_callable( array( $controller, $params['action'] ) ) ) ? $params['action'] : 'index';
                $controller->$action();
        }
});

?>