Flow\Template::displayBlock PHP Method

    public function displayBlock($name, $context, $blocks, $macros, $imports)
    {
        $blocks = $blocks + $this->blocks;
        $macros = $macros + $this->macros;
        $imports = $imports + $this->imports;
        if (isset($blocks[$name]) && is_callable($blocks[$name])) {
            return call_user_func($blocks[$name], $context, $blocks, $macros, $imports);
        }
    }