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vichan/inc/lib/Twig/Extension/StringLoader.php
2013-09-19 16:09:35 +10:00

65 lines
1.4 KiB
PHP

<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_StringLoader extends Twig_Extension
{
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return array(
new Twig_SimpleFunction('template_from_string', 'twig_template_from_string', array('needs_environment' => true)),
);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'string_loader';
}
}
/**
* Loads a template from a string.
*
* <pre>
* {{ include(template_from_string("Hello {{ name }}")) }}
* </pre>
*
* @param Twig_Environment $env A Twig_Environment instance
* @param string $template A template as a string
*
* @return Twig_Template A Twig_Template instance
*/
function twig_template_from_string(Twig_Environment $env, $template)
{
$name = sprintf('__string_template__%s', hash('sha256', uniqid(mt_rand(), true), false));
$loader = new Twig_Loader_Chain(array(
new Twig_Loader_Array(array($name => $template)),
$current = $env->getLoader(),
));
$env->setLoader($loader);
try {
$template = $env->loadTemplate($name);
} catch (Exception $e) {
$env->setLoader($current);
throw $e;
}
$env->setLoader($current);
return $template;
}