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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Templating;
/**
* EngineInterface is the interface each engine must implement.
*
* All methods rely on a template name. A template name is a
* "logical" name for the template, and as such it does not refer to
* a path on the filesystem (in fact, the template can be stored
* anywhere, like in a database).
*
* The methods should accept any name. If the name is not an instance of
* TemplateReferenceInterface, a TemplateNameParserInterface should be used to
* convert the name to a TemplateReferenceInterface instance.
*
* Each template loader uses the logical template name to look for
* the template.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface EngineInterface
{
/**
* Renders a template.
*
* @param string|TemplateReferenceInterface $name A template name or a TemplateReferenceInterface instance
* @param array $parameters An array of parameters to pass to the template
*
* @return string The evaluated template as a string
*
* @throws \RuntimeException if the template cannot be rendered
*/
public function render($name, array $parameters = []);
/**
* Returns true if the template exists.
*
* @param string|TemplateReferenceInterface $name A template name or a TemplateReferenceInterface instance
*
* @return bool true if the template exists, false otherwise
*
* @throws \RuntimeException if the engine cannot handle the template name
*/
public function exists($name);
/**
* Returns true if this class is able to render the given template.
*
* @param string|TemplateReferenceInterface $name A template name or a TemplateReferenceInterface instance
*
* @return bool true if this class supports the given template, false otherwise
*/
public function supports($name);
}
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