src/Console.php
public static function getInstance() {
        if( is_null(self::$_oInstance) ) {
            $c = __CLASS__;
            self::$_oInstance = new $c;
        }
        return self::$_oInstance;
    }
public static function getInstance() {
        if( is_null(self::$_oInstance) ) {
            $c = __CLASS__;
            self::$_oInstance = new $c;
        }
        return self::$_oInstance;
    }
public static function getInstance ( ) { if ( is_null ( self :: $ _oInstance ) ) { $ c = __CLASS__ ; self :: $ _oInstance = new $ c ; } return self :: $ _oInstance ; }
get a valid instance of this class
@return object
get a valid instance of this class