FastJSON::encode PHP Method

    function encode($decode)
    {
        $result = '';
        switch (gettype($decode)) {
            case 'array':
                if (!count($decode) || array_keys($decode) === range(0, count($decode) - 1)) {
                    $keys = array();
                    foreach ($decode as $value) {
                        if (($value = FastJSON::encode($value)) !== '') {
                            array_push($keys, $value);
                        }
                    }
                    $result = '[' . implode(',', $keys) . ']';
                } else {
                    $result = FastJSON::convert($decode);
                }
                break;
            case 'string':
                $replacement = FastJSON::__getStaticReplacement();
                $result = '"' . str_replace($replacement['find'], $replacement['replace'], $decode) . '"';
                break;
            default:
                if (!is_callable($decode)) {
                    $result = FastJSON::convert($decode);
                }
                break;
        }
        return $result;
    }

 function fetchElement($name, $value, &$node, $control_name)
 {
     static $fabrikelements;
     if (!isset($fabrikelements)) {
         $fabrikelements = array();
     }
     FabrikHelperHTML::script('element.js', 'administrator/components/com_fabrik/elements/', true);
     $document =& JFactory::getDocument();
     $c = ElementHelper::getRepeatCounter($this);
     $conn = $c === false || $node->attributes('connection_in_repeat') == 'false' ? $node->attributes('connection') : $node->attributes('connection') . '-' . $c;
     $table = $node->attributes('table');
     $include_calculations = (int) $node->attributes('include_calculations', 0);
     $published = (int) $node->attributes('published', 0);
     $showintable = (int) $node->attributes('showintable', 0);
     if ($include_calculations != 1) {
         $include_calculations = 0;
     }
     $cnns = array(JHTML::_('select.option', '-1', JText::_('COM_FABRIK_PLEASE_SELECT')));
     $id = ElementHelper::getId($this, $control_name, $name);
     $fullName = ElementHelper::getFullName($this, $control_name, $name);
     $repeat = ElementHelper::getRepeat($this);
     if (!array_key_exists($id, $fabrikelements)) {
         $script = "window.addEvent('domready', function() {\n";
         $opts = new stdClass();
         $opts->table = $c === false ? 'params' . $table : 'params' . $table . "-" . $c;
         $opts->published = $published;
         $opts->showintable = $showintable;
         $opts->excludejoined = (int) $node->attributes('excludejoined', 0);
         $opts->livesite = COM_FABRIK_LIVESITE;
         $opts->conn = 'params' . $conn;
         $opts->value = $value;
         $opts->include_calculations = $include_calculations;
         $opts = FastJSON::encode($opts);
         $script .= "var p = new elementElement('{$id}', {$opts});\n";
         $script .= "Fabrik.adminElements.set('{$id}', p);\n";
         $script .= "});\n";
         $document->addScriptDeclaration($script);
         $fabrikelements[$id] = true;
     }
     FabrikHelperHTML::cleanMootools();
     $return = JHTML::_('select.genericlist', $cnns, $fullName, 'class="inputbox element"', 'value', 'text', $value, $id);
     $return .= '<img style="margin-left:10px;display:none" id="' . $id . '_loader" src="components/com_fabrik/images/ajax-loader.gif" alt="' . JText::_('LOADING') . '" />';
     return $return;
 }