public function setPrefix($prefix = null)
    {
        $prefix = trim($prefix, '/');

        $this->prefix = ($prefix) ? trim($prefix, '/') . '/' : '';
    }
public function setPrefix($prefix = null)
    {
        $prefix = trim($prefix, '/');

        $this->prefix = ($prefix) ? trim($prefix, '/') . '/' : '';
    }
public function setPrefix ( $ prefix = null ) { $ prefix = trim ( $ prefix , '/' ) ; $ this -> prefix = ( $ prefix ) ? trim ( $ prefix , '/' ) . '/' : '' ; }
Sets the asset prefix path

@param string $prefix A prefix containing assets
Sets the asset prefix path