new ezcInputFormDefinitionElement( ezcInputFormDefinitionElement::REQUIRED, 'string', FILTER_FLAG_STRIP_HIGH ),
        'test2' => new ezcInputFormDefinitionElement( ezcInputFormDefinitionElement::OPTIONAL, 'int', array( 'min_range' => 42 ) ),
        'test3' => new ezcInputFormDefinitionElement( ezcInputFormDefinitionElement::OPTIONAL, 'int', array( 'min_range' => 42 ) ),
    );
    $form = new ezcInputForm( INPUT_POST, $def );

    echo "Valid properties:\n";
    var_dump( $form->getValidProperties() );

    echo "Invalid properties:\n";
    var_dump( $form->getInvalidProperties() );

    echo "Required properties:\n";
    var_dump( $form->getRequiredProperties() );

    echo "Optional properties:\n";
    var_dump( $form->getOptionalProperties() );

    echo "Values:\n";

    var_dump( $form->hasValidData( 'test1' ) );
    var_dump( $form->test1 );

    try
    {
        var_dump( $form->getUnsafeRawData( 'test1' ) );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }
    echo "
\n";

    var_dump( $form->hasValidData( 'test2' ) );
    try
    {
        var_dump( $form->test2 );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }

    try
    {
        var_dump( $form->getUnsafeRawData( 'test2' ) );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }
    echo "
\n";

    var_dump( $form->hasValidData( 'test3' ) );
    try
    {
        var_dump( $form->test3 );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }

    try
    {
        var_dump( $form->getUnsafeRawData( 'test3' ) );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }
    echo "
\n";

    var_dump( $form->hasValidData( 'test4' ) );
    try
    {
        var_dump( $form->test4 );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }

    try
    {
        var_dump( $form->getUnsafeRawData( 'test4' ) );
    }
    catch ( ezcInputFormException $e )
    {
        echo $e->getCode(), ': ', $e->getMessage(), "\n";
    }
?>