gistfile1.php

        <?php
        
        $factory = new Factory();

        $inputFilter = $factory->createInputFilter(array(
            'user' => array(
                'type' => 'InputFilter',
                array(
                    'name'       => 'username',
                    'validators' => array(
                        array(
                            'name'    => 'StringLength',
                            'options' => array(
                                'min'     => 5,
                                'max'     => 255,
                                'message' => 'Mindestens 5 und maximal 255 Zeichen lang'
                            )
                        )
                    )
                ),
            ),
        ));