/**
  * Save changes to an existing panel. This can be expanded to allow adding of new Panels in the future.
  *
  * @return void
  */
 protected function _savePanel()
 {
     // First of all we need to validate and sanitise the input from the form
     $urlFilter = new Zend_Filter();
     $urlFilter->addFilter(new Zend_Filter_StringTrim());
     $urlFilter->addFilter(new Zend_Filter_StringTrim('/'));
     $requiredText = new Zend_Validate();
     $requiredText->addValidator(new Zend_Validate_NotEmpty());
     $filters = array('id' => 'Digits');
     $validators = array('id' => array('allowEmpty' => true), 'content' => array('allowEmpty' => true));
     $input = new Zend_Filter_Input($filters, $validators, $_POST);
     if ($input->isValid()) {
         // Data is all valid, formatted and sanitized so we can save it in the database
         $panel = new Datasource_Cms_Panels();
         if (!$input->id) {
             // This is a new panel so we need to create a new ID
             // NOT IMPLEMENTED - YET
         } else {
             $panel->saveChanges($input->id, $input->getUnescaped('content'));
             $panelID = $input->id;
         }
         // Changes saved - so send them back with a nice success message
         $this->_helper->getHelper('FlashMessenger')->addMessage(array('saved' => true));
         $this->_helper->getHelper('Redirector')->goToUrl('/cms-admin/panels/edit?id=' . $panelID);
     } else {
         // Invalid data in form
         /*
         print_r($_POST);
         print_r($input->getErrors());
         print_r($input->getInvalid());
         */
     }
 }

 public function init()
 {
     $this->setAttrib('enctype', 'multipart/form-data');
     $renameResize = new Zend_Form_Element_File('renameResize');
     $renameResize->setDestination('../upload');
     $renameResize->setLabel('Rename before resize');
     $renameResize->addFilter('Rename', 'rename-resize');
     $renameResize->addFilter(new Skoch_Filter_File_Resize(array('width' => 200, 'height' => 300, 'keepRatio' => true)));
     $this->addElement($renameResize);
     $resizeRename = new Zend_Form_Element_File('resizeRename');
     $resizeRename->setDestination('../upload');
     $resizeRename->setLabel('Resize before rename');
     $resizeRename->addFilter(new Skoch_Filter_File_Resize(array('width' => 200, 'height' => 300, 'keepRatio' => true)));
     $resizeRename->addFilter('Rename', 'resize-rename');
     $this->addElement($resizeRename);
     $multiResize = new Zend_Form_Element_File('multiResize');
     $multiResize->setDestination('../upload');
     $multiResize->setLabel('Multiple resizes');
     $filterChain = new Zend_Filter();
     // Create one big image with at most 600x300 pixel
     $filterChain->appendFilter(new Skoch_Filter_File_Resize(array('width' => 600, 'height' => 300, 'keepRatio' => true)));
     // Create a medium image with at most 500x200 pixels
     $filterChain->appendFilter(new Skoch_Filter_File_Resize(array('directory' => '../upload/medium', 'width' => 500, 'height' => 200, 'keepRatio' => true)));
     $multiResize->addFilter('Rename', 'multi-resize');
     $multiResize->addFilter($filterChain);
     $this->addElement($multiResize);
     $renameCrop = new Zend_Form_Element_File('renameCrop');
     $renameCrop->setDestination('../upload');
     $renameCrop->setLabel('Rename before crop');
     $renameCrop->addFilter('Rename', 'rename-crop');
     $renameCrop->addFilter(new Skoch_Filter_File_Resize(array('width' => 20, 'height' => 30, 'cropToFit' => true, 'keepRatio' => true)));
     $this->addElement($renameCrop);
     $submit = new Zend_Form_Element_Submit('submit');
     $this->addElement($submit);
 }

 /**
  * Ensures that filters are executed in the expected order (FIFO)
  *
  * @return void
  */
 public function testFilterOrder()
 {
     $this->_filter->addFilter(new Zend_FilterTest_LowerCase())->addFilter(new Zend_FilterTest_StripUpperCase());
     $value = 'AbC';
     $valueExpected = 'abc';
     $this->assertEquals($valueExpected, $this->_filter->filter($value));
 }

 /**
  * Run the cli application
  *
  * @return void
  */
 public function run()
 {
     $oLogger = $this->getResource('log');
     $iArgumentsAmount = $_SERVER['argc'];
     if (1 === $iArgumentsAmount) {
         echo 'Please specify the task to run' . PHP_EOL;
         $oLogger->err('Task not specified!');
         exit;
     }
     $aArguments =& $_SERVER['argv'];
     $aArguments = array_slice($aArguments, 1);
     $oFilter = new Zend_Filter();
     $oFilter->addFilter(new Zend_Filter_Word_UnderscoreToCamelCase());
     $sTaskClass = 'AM_Cli_Task_' . $oFilter->filter($aArguments[0]);
     if (!class_exists($sTaskClass)) {
         echo sprintf('Class %s not found', $sTaskClass) . PHP_EOL;
         $oLogger->err(sprintf('Class %s not found', $sTaskClass));
         exit;
     }
     try {
         $oTask = new $sTaskClass();
         $oTask->run();
     } catch (Exception $e) {
         $oLogger->err($e);
         exit;
     }
 }

 /**
  * Realoca uma Imagem do Formulário
  * @param string $filename Novo Nome do Arquivo
  * @return string|boolean Resultado Obtido
  */
 protected function _realloc($prefix)
 {
     /* @var $arquivo Zend_Form_Element_File */
     $arquivo = $this->_getForm()->getElement('arquivo');
     if (is_array($arquivo->getFilename())) {
         // Não Enviado
         return false;
     }
     // Diretório Base
     $basename = APPLICATION_PATH . '/../public/images/sistema/';
     // Remover Figuras com Prefixo
     $dir = new DirectoryIterator($basename);
     foreach ($dir as $current) {
         if (preg_match('/^' . $prefix . '/', $current->getFilename())) {
             unlink($current->getRealPath());
         }
     }
     // Criação do Slug
     $filter = new Zend_Filter();
     $filter->addFilter(new Zend_Filter_StringToLower())->addFilter(new Zend_Filter_Word_SeparatorToDash());
     $slug = $filter->filter($prefix . ' ' . $arquivo->getFilename(null, false));
     // Opções para Filtro
     $options = array('target' => $basename . $slug, 'overwrite' => true);
     // Renomear Arquivo
     $rename = new Zend_Filter_File_Rename($options);
     $result = $rename->filter($arquivo->getFilename());
     return is_string($result) ? $slug : false;
 }

 /**
  * Filter data that was previously validated (input data)
  * If data was not valid, filter the error message that will
  * be output to the user (output data)
  * @access public
  * @return bool
  */
 public function filter()
 {
     $this->_data = array();
     $this->_error = array();
     $values = $this->_options['values'];
     $validator = $this->_options['validator'];
     $filter = new Zend_Filter();
     $filter->addFilter(new Zend_Filter_StringTrim());
     foreach ($values as $k => $v) {
         if ($validator->isValid($values[$k])) {
             //filter the input
             $this->_data[$k] = $filter->filter($values[$k]);
         } else {
             foreach ($validator->getMessages() as $message) {
                 //filter the output
                 $this->_error[$k] = str_replace($values[$k], $filter->filter($values[$k]), $message);
             }
         }
     }
     if (empty($this->_error)) {
         return true;
     } else {
         return false;
     }
 }

 public function filter($value)
 {
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_StripTags());
     $filterChain->addFilter(new Zend_Filter_StringTrim());
     $filterChain->addFilter(new Zend_Filter_StringToLower());
     $value = $filterChain->filter($value);
     // replace accented characters
     $replaceArray = array('á' => 'a', 'é' => 'e', 'í' => 'i', 'ó' => 'o', 'ú' => 'u', 'à' => 'a', 'è' => 'e', 'ì' => 'i', 'ò' => 'o', 'ù' => 'u', 'ä' => 'a', 'ë' => 'e', 'ï' => 'i', 'ö' => 'o', 'ü' => 'u', 'â' => 'a', 'ê' => 'e', 'î' => 'i', 'ô' => 'o', 'û' => 'u', 'ç' => 'c', 'æ' => 'ae', 'œ' => 'oe', 'å' => 'a', 'ø' => 'o', '@' => 'at', '©' => 'copyright', '€' => 'euro', '™' => 'tm', '-' => ' ', '/' => ' ', '\\' => ' ');
     $value = str_replace(array_keys($replaceArray), array_values($replaceArray), $value);
     $valueTemp = '';
     $allowedChars = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '_', ' ');
     $valueTemp = '';
     for ($i = 0; $i < strlen($value); $i++) {
         if (in_array($value[$i], $allowedChars)) {
             $valueTemp .= $value[$i];
         }
     }
     $value = $valueTemp;
     // replace double spaces
     $value = preg_replace('/\\s+/', ' ', $value);
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_StringTrim());
     $filterChain->addFilter(new Zend_Filter_Word_SeparatorToDash());
     $value = $filterChain->filter($value);
     return $value;
 }

 public function onAttachLink($data)
 {
     try {
         $viewer = Engine_Api::_()->user()->getViewer();
         if (Engine_Api::_()->core()->hasSubject()) {
             $subject = Engine_Api::_()->core()->getSubject();
             if ($subject->getType() != 'user') {
                 $data['parent_type'] = $subject->getType();
                 $data['parent_id'] = $subject->getIdentity();
             }
         }
         // Filter HTML
         $filter = new Zend_Filter();
         $filter->addFilter(new Engine_Filter_Censor());
         $filter->addFilter(new Engine_Filter_HtmlSpecialChars());
         if (!empty($data['title'])) {
             $data['title'] = $filter->filter($data['title']);
         }
         if (!empty($data['description'])) {
             $data['description'] = $filter->filter($data['description']);
         }
         $link = Engine_Api::_()->getApi('links', 'core')->createLink($viewer, $data);
     } catch (Exception $e) {
         throw $e;
         return;
     }
     return $link;
 }

 /**
  * @see Zend_Db_Table_Abstract::_setupTableName
  */
 protected function _setupTableName()
 {
     if (!$this->_name) {
         $oFilter = new Zend_Filter();
         $oFilter->addFilter(new Zend_Filter_Word_CamelCaseToUnderscore())->addFilter(new Zend_Filter_StringToLower());
         $this->_name = $oFilter->filter($this->_getModelName());
     }
 }

 function filter($instr)
 {
     $outstr = null;
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_StringToLower())->addFilter(new Zend_Filter_StringTrim());
     $instr = $filterChain->filter($instr);
     $outstr = str_replace(" ", "-", trim($instr));
     return $outstr;
 }

 public function filter($value)
 {
     $filterChain = new Zend_Filter();
     //$geshiFilter = new HausDesign_Filter_Geshi();
     //$filterChain->addFilter($geshiFilter);
     $value = $filterChain->filter($value);
     require_once 'markdown/markdown.php';
     return Markdown($value);
 }

 /**
  * Normalizuje ciag znakow z postaci stringa zawierajacego znaki specjalne i spacje do hasha
  *
  * @param string $value
  * @return string
  */
 public function filter($value)
 {
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Base_Filter_NoDiacritics())->addFilter(new Zend_Filter_StringToLower());
     $value = $filterChain->filter($value);
     $value = preg_replace('/[^0-9A-Za-z-_]/', null, $value);
     $value = trim($value, '-');
     $value = trim($value, '_');
     return $value;
 }

 /**
  * Normalize tag
  *
  * Ensures tag is alphanumeric characters only, and all lowercase.
  *
  * @param  string $tag
  * @return string
  */
 public function normalizeTag($tag)
 {
     if (!isset($this->_tagFilter)) {
         require_once 'Zend/Filter.php';
         require_once 'Zend/Filter/Alnum.php';
         require_once 'Zend/Filter/StringToLower.php';
         $this->_tagFilter = new Zend_Filter();
         $this->_tagFilter->addFilter(new Zend_Filter_Alnum())->addFilter(new Zend_Filter_StringToLower());
     }
     return $this->_tagFilter->filter($tag);
 }

 public static function filter(&$data)
 {
     $filter = new Zend_Filter();
     $filter->addFilter(new Zend_Filter_StringTrim())->addFilter(new Lds_Filter_Htmlspecialchars());
     if (is_array($data)) {
         foreach ($data as $key => $value) {
             $data[$key] = $filter->filter($value);
         }
     } else {
         $data = $filter->filter($data);
     }
 }

 public function filter($value)
 {
     $filterChain = new Zend_Filter();
     $htmlFilter = new HausDesign_Filter_HtmlPurifier();
     $config = $htmlFilter->getConfig();
     $config->set('AutoFormat', 'AutoParagraph', true);
     $config->set('AutoFormat', 'Linkify', true);
     $filterChain->addFilter($htmlFilter);
     //$geshiFilter = new HausDesign_Filter_Geshi();
     //$filterChain->addFilter($geshiFilter);
     return $filterChain->filter($value);
 }

 /**
  * Get helper name
  * @return string
  */
 public function getName()
 {
     if (is_null($this->_sName)) {
         $sClassName = get_class($this);
         $aChunks = explode('_', $sClassName);
         $this->_sName = array_pop($aChunks);
         $oFilter = new Zend_Filter();
         $oFilter->addFilter(new Zend_Filter_Word_CamelCaseToUnderscore())->addFilter(new Zend_Filter_StringToLower());
         $this->_sName = $oFilter->filter($this->_sName);
     }
     return $this->_sName;
 }

 /**
  * Filter url given to the toaster
  *
  * @param string $pageUrl
  * @return mixed|string
  */
 public function filterUrl($pageUrl)
 {
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_PregReplace(array('match' => '/-/', 'replace' => ' ')))->addFilter(new Zend_Filter_Alnum(true))->addFilter(new Zend_Filter_StringTrim())->addFilter(new Zend_Filter_StringToLower('UTF-8'))->addFilter(new Zend_Filter_PregReplace(array('match' => '/\\s+/', 'replace' => '-')));
     // filtering the page url
     $pageUrl = $filterChain->filter($this->clean($pageUrl));
     // add .html if needed
     // TODO: in fact it always needed because of Zend_Filter_Alnum in $filterChain
     if (!preg_match('/\\.html$/', $pageUrl)) {
         $pageUrl .= '.html';
     }
     return $pageUrl;
 }

 function filter($instr)
 {
     $outstr = null;
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_StringToLower())->addFilter(new Zend_Filter_StripTags())->addFilter(new Zend_Filter_StringTrim());
     $instr = $filterChain->filter($instr);
     $instr = str_replace(" ", "-", trim($instr));
     preg_match_all("/^[a-z0-9\\-\\\$]{1,}\$/", $instr, $parts);
     foreach ($parts as $part) {
         $outstr .= $part[0];
     }
     return $outstr;
 }

 /**
  * Captura um Formulário de Determinado Tipo
  * @param string Nome do Formulário
  * @return Local_Form_FormAbstract Elemento Solicitado
  */
 protected function _getFormReferencia($tipo)
 {
     // Filtro de Dados
     $filter = new Zend_Filter();
     $filter->addFilter(new Zend_Filter_StringToLower())->addFilter(new Zend_Filter_Callback('ucfirst'));
     $tipo = $filter->filter($tipo);
     // Verificação
     if (!in_array($tipo, $this->_references)) {
         throw new Zend_Controller_Action_Exception('Invalid Referencia');
     }
     $classname = 'Application_Form_Referencia_' . $tipo;
     $reflect = new Zend_Reflection_Class($classname);
     return $reflect->newInstance(array());
 }

 public function filter($value)
 {
     $words = explode(',', $value);
     $filterChain = new Zend_Filter();
     $filterChain->addFilter(new Zend_Filter_StringTrim())->addFilter(new Zend_Filter_StringToLower())->addFilter(new Zend_Filter_StripNewlines())->addFilter(new Zend_Filter_Alnum(array('allowwhitespace' => true)));
     $filterd = array();
     foreach ($words as $word) {
         $word = $filterChain->filter($word);
         if (strlen($word) > 0) {
             $filterd[] = $word;
         }
     }
     return implode(',', $filterd);
 }