Awesome

InTpl

Simple PHP templates supporting Template Inheritance.

see also:

ModelView a simple, fast, powerful and flexible MVVM framework for JavaScript
tico a tiny, super-simple MVC framework for PHP
LoginManager a simple, barebones agnostic login manager for PHP, JavaScript, Python
SimpleCaptcha a simple, image-based, mathematical captcha with increasing levels of difficulty for PHP, JavaScript, Python
Dromeo a flexible, and powerful agnostic router for PHP, JavaScript, Python
PublishSubscribe a simple and flexible publish-subscribe pattern implementation for PHP, JavaScript, Python
Importer simple class & dependency manager and loader for PHP, JavaScript, Python
Contemplate a fast and versatile isomorphic template engine for PHP, JavaScript, Python
HtmlWidget html widgets, made as simple as possible, both client and server, both desktop and mobile, can be used as (template) plugins and/or standalone for PHP, JavaScript, Python (can be used as plugins for Contemplate)
Paginator simple and flexible pagination controls generator for PHP, JavaScript, Python
Formal a simple and versatile (Form) Data validation framework based on Rules for PHP, JavaScript, Python
Dialect a cross-vendor & cross-platform SQL Query Builder, based on GrammarTemplate, for PHP, JavaScript, Python
DialectORM an Object-Relational-Mapper (ORM) and Object-Document-Mapper (ODM), based on Dialect, for PHP, JavaScript, Python
Unicache a simple and flexible agnostic caching framework, supporting various platforms, for PHP, JavaScript, Python
Xpresion a simple and flexible eXpression parser engine (with custom functions and variables support), based on GrammarTemplate, for PHP, JavaScript, Python
Regex Analyzer/Composer Regular Expression Analyzer and Composer for PHP, JavaScript, Python

Example:

{VIEWS}/layout/base.tpl.php:

<!DOCTYPE html>
<html><head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title><?php $this->start('title'); ?>No Title<?php $this->end('title'); ?></title>

</head><body>
<?php $this->start('content'); ?>
No Content
<?php $this->end('content'); ?>
</body></html>

{VIEWS}/index.tpl.php:

<?php $this->extend('layout/base.tpl.php'); ?>

<?php $this->start('title'); ?>Index<?php $this->end('title'); ?>

<?php $this->start('content'); ?>
<p>Index page</p>
<?php $this->end('content'); ?>

driver code:

<?php

define('VIEWS', dirname(__FILE__));

include(VIEWS . '/InTpl.php');

echo InTpl::Tpl('index.tpl.php', [VIEWS])->render([/*..*/]);

output:

<!DOCTYPE html>
<html><head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Index</title>

</head><body>
<p>Index page</p>
</body></html>