twig-example.php

<?php

// setup a template loader used by Twig to load the template strings. Most common is loading
// templates from the file system. This loader needs takes a template path or an array of
// template paths as argument to its constructor.
$templatePath = __DIR__.'/templates';
$loader = new Twig_Loader_Filesystem($templatePath);

// setup the twig environment. This is used for the actual rendering. The Twig environment takes
// the loader and an array of options as its arguments. In this example I use the twig environment
// directly but in the context of a framework it would be made available to the logic that uses it,
// for example through a dependency injection container.
$options = array(
    'cache' => __DIR__.'/template-cache',
    // other options here
);
$twigEnv = new Twig_Environment($loader, $options);

// adding extenstions to Twig. 
$twigEnv->addExtension(new MyTwigExtension);

// using the Twig Environment to render templates.
$templateVars = array('foo' => 'bar');
$html = $twigEnv->('a-template.html.twig', $templateVars);