formHelper::_getProperties PHP Method

    protected function _getProperties(array $args, array $propertyNames = array())
    {
        $method = isset($this->_formopen['method']) && $this->_formopen['method'] == 'get' ? $_GET : $_POST;
        if (isset($args['name']) && (!isset($args['type']) || !in_array($args['type'], $this->_staticTypes))) {
            $arrayStart = strpos($args['name'], '[');
            if (!$arrayStart) {
                if (isset($method[$args['name']])) {
                    $args['value'] = $method[$args['name']];
                }
            } else {
                $name = $this->_indexDynamicArray($args['name']);
                if (preg_match_all('/\\[(.*)\\]/', $name, $arrayIndex)) {
                    array_shift($arrayIndex);
                    //dump the 0 index element containing full match string
                }
                $name = substr($name, 0, $arrayStart);
                if (isset($method[$name])) {
                    $args['value'] = $method[$name];
                    if (!isset($args['type']) || $args['type'] != 'checkbox') {
                        foreach ($arrayIndex as $idx) {
                            if (isset($args['value'][current($idx)])) {
                                $args['value'] = $args['value'][current($idx)];
                            } else {
                                unset($args['value']);
                                break;
                            }
                        }
                    }
                }
            }
        }
        $return = array();
        $validProperties = array_merge($propertyNames, array('name', 'value', 'class', 'style', 'id'));
        foreach ($validProperties as $propertyName) {
            if (isset($args[$propertyName])) {
                $return[$propertyName] = $args[$propertyName];
            }
        }
        return $return;
    }