PHP Mustache implementation supporting inheritance

2.0.1 2016-07-02 22:16 UTC

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Last update: 2024-04-11 13:13:02 UTC


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phly-mustache is a Mustache implementation written for PHP. It conforms to the principles of mustache, and allows for extension of the format via pragmas.

In particular, it offers support for template inheritance ala hogan.js, using the {{<parent}} syntax.

For full documentation, please visit ReadTheDocs.

The mailing list is at


Install via composer:

$ composer require phly/phly-mustache


Documentation builds are available at:

You can also build documentation in one of two ways:

  • MkDocs: Execute mkdocs build from the repository root.
  • Bookdown: Execute bookdown doc/bookdown.json from the repository root.

In each case, you can use PHP's built-in web server to serve the documentation:

$ php -S -t doc/html/

and then browse to http://localhost:8080/.


Basic usage is:

use Phly\Mustache\Mustache;

require 'vendor/autoload.php';

$mustache = new Mustache();
echo $mustache->render('some-template', $view);

By default, phly-mustache will look under the current directory for templates ending with '.mustache'; you can create a stack of directories using the default resolver:

use Phly\Mustache\Resolver\DefaultResolver;

$resolver = new DefaultResolver();

$resolver = $mustache->getResolver()->attach($defaultResolver);

In the above, it will search first $path2, then $path1 to resolve the template.

The default resolver is composed in an aggregate resolver by default; as such, you can also fetch it by type from the aggregate instead of adding it manually:

use Phly\Mustache\Resolver\DefaultResolver;

$resolver = $mustache->getResolver()->fetchByType(DefaultResolver::class);

Template names may be namespaced, using the syntax namespace::template:

$resolver->addTemplatePath($path1, 'blog');
$resolver->addTemplatePath($path2, 'contact');

Per the above configuratin, rendering the template contact::index will resolve to $path2. If it cannot, it will drop back to the default namespace (any paths registered without a namespace).

You may also change the suffix it will use to resolve templates:

$resolver->setSuffix('html'); // use '.html' as the suffix

If your templates use pragmas, you must first add pragma handlers to the Mustache pragma collection. This can be done as follows:

use Phly\Mustache\Pragma\ImplicitIterator as ImplicitIteratorPragma;

$mustache->getPragmas()->add(new ImplicitIteratorPragma());
$mustache->render('template-with-pragma', $view);

Views can be either associative arrays or objects. For objects, any public member, either a property or a method, may be referenced in your template. As an example:

class View
    public $first_name = 'Matthew';

    public $last_name  = "Weier O'Phinney";

    public function full_name()
        return $this->first_name . ' ' . $this->last_name;

Any property (or array key) may also refer to a valid callback; in such cases, the return value of the callback will be used.

$view = new stdClass;
$view->first_name = 'Matthew';
$view->last_name  = "Weier O'Phinney";
$view->full_name  = function() use ($view) {
    return $view->first_name . ' ' . $view->last_name;

Refer to the documentation (online / local) for full usage details.


Phly\Mustache consists of five primary classes:

  • Lexer: tokenizes mustache syntax.
  • Renderer: renders a list of tokens, using substitions provided via a view.
  • Pragma\PragmaInterface: interface for pragmas, which may modify how tokens are handled.
  • Resolver\ResolverInterface: resolves a template name to mustache syntax or tokens.
  • Mustache: facade/gateway class. Tokenizes and renders templates, caches tokens, provides partial aliasing, aggregates pragmas, and acts as primary interface for end-users.