lithium\data\source\Database::renderCommand PHP Method

    public function renderCommand($type, $data = null, $context = null)
    {
        if (is_object($type)) {
            $context = $type;
            $data = $context->export($this);
            $type = $context->type();
        }
        if (!isset($this->_strings[$type])) {
            throw new InvalidArgumentException("Invalid query type `{$type}`.");
        }
        $template = $this->_strings[$type];
        $data = array_filter($data);
        $placeholders = array();
        foreach ($data as $key => $value) {
            $placeholders[$key] = "{{$key}}";
        }
        $template = String::insert($template, $placeholders, array('clean' => true));
        return trim(String::insert($template, $data, array('before' => '{')));
    }