Renderer

A renderer is an piece of code that applies the rules to produce a target format. For example, rendering an HTML page, javascript, PDF, YAML, etc..

<?php

    $name = "elephpant";
    $template = "Hello NAME";

    // very simple rendering

    echo str_replace('NAME', $name, $template);

?>

Documentation

Related : Render, Model - View - Controller (MVC)