Horde_Config_Form::_buildVariables PHP Method

    protected function _buildVariables($config, $prefix = '')
    {
        if (!is_array($config)) {
            return;
        }
        foreach ($config as $name => $configitem) {
            $prefixedname = empty($prefix) ? $name : $prefix . '|' . $name;
            $varname = str_replace('|', '__', $prefixedname);
            if ($configitem == 'placeholder') {
                continue;
            } elseif (isset($configitem['tab'])) {
                $this->setSection($configitem['tab'], $configitem['desc']);
            } elseif (isset($configitem['switch'])) {
                $selected = $this->_vars->getExists($varname, $wasset);
                $var_params = array();
                $select_option = true;
                if (is_bool($configitem['default'])) {
                    $configitem['default'] = $configitem['default'] ? 'true' : 'false';
                }
                foreach ($configitem['switch'] as $option => $case) {
                    $var_params[$option] = $case['desc'];
                    if ($option == $configitem['default']) {
                        $select_option = false;
                        if (!$wasset) {
                            $selected = $option;
                        }
                    }
                }
                $name = '$conf[' . implode('][', explode('|', $prefixedname)) . ']';
                $desc = $configitem['desc'];
                $v = $this->addVariable($name, $varname, 'enum', true, false, $desc, array($var_params, $select_option));
                if (array_key_exists('default', $configitem)) {
                    $v->setDefault($configitem['default']);
                    if ($this->_fillvars) {
                        $this->_vars->set($varname, $configitem['default']);
                    }
                }
                if (!empty($configitem['is_default'])) {
                    $v->_new = true;
                }
                $v_action = Horde_Form_Action::factory('reload');
                $v->setAction($v_action);
                if (isset($selected) && isset($configitem['switch'][$selected])) {
                    $this->_buildVariables($configitem['switch'][$selected]['fields'], $prefix);
                }
            } elseif (isset($configitem['_type'])) {
                $required = isset($configitem['required']) ? $configitem['required'] : true;
                $type = $configitem['_type'];
                if ($type == 'header' || $type == 'description') {
                    $required = false;
                }
                $var_params = $type == 'multienum' || $type == 'enum' ? array($configitem['values']) : array();
                if ($type == 'header' || $type == 'description') {
                    $name = $configitem['desc'];
                    $desc = null;
                } else {
                    $name = '$conf[' . implode('][', explode('|', $prefixedname)) . ']';
                    $desc = $configitem['desc'];
                    if ($type == 'php') {
                        $type = 'text';
                        $desc .= "\nEnter a valid PHP expression.";
                    }
                }
                $v = $this->addVariable($name, $varname, $type, $required, false, $desc, $var_params);
                if (isset($configitem['default'])) {
                    $v->setDefault($configitem['default']);
                    if ($this->_fillvars) {
                        switch ($type) {
                            case 'boolean':
                                if ($configitem['default']) {
                                    $this->_vars->set($varname, 'on');
                                }
                                break;
                            case 'int':
                                $this->_vars->set($varname, (string) $configitem['default']);
                                break;
                            default:
                                $this->_vars->set($varname, $configitem['default']);
                                break;
                        }
                    }
                }
                if (!empty($configitem['is_default'])) {
                    $v->_new = true;
                }
            } else {
                $this->_buildVariables($configitem, $prefixedname);
            }
        }
    }