<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
use Twig\Source;
/**
* Loads a template from an array.
*
* When using this loader with a cache mechanism, you should know that a new cache
* key is generated each time a template content "changes" (the cache key being the
* source code of the template). If you don't want to see your cache grows out of
* control, you need to take care of clearing the old cache file by yourself.
*
* This loader should only be used for unit testing.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
final class ArrayLoader implements LoaderInterface, ExistsLoaderInterface, SourceContextLoaderInterface
{
private $templates = [];
/**
* @param array $templates An array of templates (keys are the names, and values are the source code)
*/
public function __construct(array $templates = [])
{
$this->templates = $templates;
}
/**
* Adds or overrides a template.
*
* @param string $name The template name
* @param string $template The template source
*/
public function setTemplate($name, $template)
{
$this->templates[$name] = $template;
}
public function getSourceContext($name)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
}
return new Source($this->templates[$name], $name);
}
public function exists($name)
{
return isset($this->templates[$name]);
}
public function getCacheKey($name)
{
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
}
return $name.':'.$this->templates[$name];
}
public function isFresh($name, $time)
{
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
}
return true;
}
}
class_alias('Twig\Loader\ArrayLoader', 'Twig_Loader_Array');