通过数据库自动化处理生成表单

dbc->query($form_query);
        $output = NULL;
        $output .= '
';
        //generate form items based on fields
        while ($field = $row->fetch_field()) {

            //print show_array($field);

            //form field error class
            isset($_SESSION[str_replace(' ', '_', $field->name)]) ? $input_class = $_SESSION[str_replace(' ', '_', $field->name)]: $input_class = '';
            //form field default value
            isset($_POST[str_replace(' ', '_', $field->name)]) ? $field_value = $_POST[str_replace(' ', '_', $field->name)]: $field_value = '';
            //form field password type
            (preg_match('/\s*password\s*/', $field->name)) ? $field_type = 'password': $field_type = 'text';
            //form input/textarea type
            ($field->length > 100) ? $input_type = '' . ucwords($field->name) . '' . $field_value . '':
                                   $input_type = '' . ucwords($field->name) . '';
            $output .= $input_type;
            //reset empty error class
            $_SESSION[str_replace(' ', '_', $field->name)] = '';
        }
        //cancel submit button switch
        ($form_cancel) ? $cancel = '': $cancel = '';
        //form sumit button
        $output .= ' ' . $cancel;
        $output .= '
';
        return $output;
}

//with a few lines of codes you can automatically generate the registration form, of course you need to setup a database for this to work
function user_register() {
	//form get function input
	$form_query = 'SELECT name as user, password, password as "retype password", email FROM user LIMIT 1';
	$form_name = 'register';
	$form_action = '';
	$form_method = 'post';
	$form_cancel = 1;
       
	$output = NULL;
	if(isset($_GET['q']) && $_GET['q'] == 'register') {
		$output .= $this->form_get($form_query, $form_name, $form_action, $form_method, $form_cancel);
	} else {
		$output .= 'Not a member yet? ' . ucwords($form_name) . '';
	}
	return $output;
}
?>