/**
* Returns singleton.
*
* @return Cleaner_Engine Singleton
*/
public static function getInstance()
{
if (self::$_instance === null) {
self::$_instance = new Cleaner_Engine();
}
return self::$_instance;
}
/**
* Sanitize value to 'Numeric'.
*
* @param mixed $value Value to sanitizes.
*
* @return mixed Sanitized value.
*/
public function sanitizeNumeric($value)
{
$instance = Cleaner_Engine::getInstance();
$floatSanitizer = $instance->getSanitizer('float');
return (string) $floatSanitizer->sanitize($value);
}
/**
* Creates a new Instance (Singleton) of Cleaner.
*
* @return void
*/
protected function __construct()
{
$this->_configuration = Cleaner_Engine::_getInstance();
$this->_cages = array(self::INPUT_SCOPE_GET => Cleaner_Cage::getInstance($_GET, self::INPUT_SCOPE_GET), self::INPUT_SCOPE_POST => Cleaner_Cage::getInstance($_POST, self::INPUT_SCOPE_POST), self::INPUT_SCOPE_REQUEST => Cleaner_Cage::getInstance($_REQUEST, self::INPUT_SCOPE_REQUEST), self::INPUT_SCOPE_COOKIE => Cleaner_Cage::getInstance($_COOKIE, self::INPUT_SCOPE_COOKIE), self::INPUT_SCOPE_FILES => Cleaner_Cage::getInstance($_FILES, self::INPUT_SCOPE_FILES), self::INPUT_SCOPE_SESSION => Cleaner_Cage::getInstance($_SESSION, self::INPUT_SCOPE_SESSION), self::INPUT_SCOPE_ENV => Cleaner_Cage::getInstance($_ENV, self::INPUT_SCOPE_ENV), self::INPUT_SCOPE_SERVER => Cleaner_Cage::getInstance($_SERVER, self::INPUT_SCOPE_SERVER));
if (isset($GLOBALS['HTTP_SERVER_VARS'])) {
$GLOBALS['HTTP_SERVER_VARS'] = null;
}
if (isset($GLOBALS['HTTP_GET_VARS'])) {
$GLOBALS['HTTP_GET_VARS'] = null;
}
if (isset($GLOBALS['HTTP_POST_VARS'])) {
$GLOBALS['HTTP_POST_VARS'] = null;
}
if (isset($GLOBALS['HTTP_COOKIE_VARS'])) {
$GLOBALS['HTTP_COOKIE_VARS'] = null;
}
if (isset($GLOBALS['HTTP_ENV_VARS'])) {
$GLOBALS['HTTP_ENV_VARS'] = null;
}
if (isset($GLOBALS['HTTP_SESSION_VARS'])) {
$GLOBALS['HTTP_SESSION_VARS'] = null;
}
if (isset($GLOBALS['HTTP_REQUEST_VARS'])) {
$GLOBALS['HTTP_REQUEST_VARS'] = null;
}
if (isset($GLOBALS['HTTP_FILES_VARS'])) {
$GLOBALS['HTTP_FILES_VARS'] = null;
}
}
/**
* Validates an item in the wrapped scope for a certain type and if
* invalid sanitizes the value of the parameter/item.
*
* @param string $type Type of parameter/item to validate and/or sanitize.
* @param string $name Name of parameter / Name of item in scope.
* @param boolean $empty Must parameter/item be not null or empty.
* @param mixed $default Return value, if parameter/item and/or sanitizesparameter/item is null/empty/notset/...
* @param boolean $sanitize Wheather sanitize value of parameter/item, when value is invalid.
*
* @return Cleaner_Parameter Instance, representing selected parameter/item in Scope.
*/
public function getParameter($type, $name, $empty = false, $default = null, $sanitize = true)
{
$messages = Cleaner_Engine::getMessages();
if (!isset($this->_scope[$name]) || Cleaner_Util::isBlank($this->_scope[$name])) {
if (!$empty) {
$messages->add('INVALID_REQUIRED');
}
return new Cleaner_Parameter(null, null, $default, $empty, false, true, $messages, $type, $name, $this->_key);
}
$engine = Cleaner_Engine::getInstance();
$value = $this->_scope[$name];
if ($engine->validate($type, $value, $messages)) {
return new Cleaner_Parameter(null, $value, $default, true, false, false, $messages, $type, $name, $this->_key);
}
if (!$sanitize) {
return new Cleaner_Parameter(null, $value, $default, false, false, false, $messages, $type, $name, $this->_key);
}
$clean = $engine->sanitze($type, $value, $messages);
if (is_null($clean)) {
if (!$empty) {
$messages->add('SANITIZE_DEFAULT');
}
return new Cleaner_Parameter(null, null, $default, $empty, true, true, $messages, $type, $name, $this->_key);
}
return new Cleaner_Parameter($clean, $value, $default, false, true, false, $messages, $type, $name, $this->_key);
}