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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\DependencyInjection;
use Symfony\Component\ExpressionLanguage\ExpressionFunction;
use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
/**
* Define some ExpressionLanguage functions.
*
* To get a service, use service('request').
* To get a parameter, use parameter('kernel.debug').
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ExpressionLanguageProvider implements ExpressionFunctionProviderInterface
{
private $serviceCompiler;
public function __construct(callable $serviceCompiler = null)
{
$this->serviceCompiler = $serviceCompiler;
}
public function getFunctions()
{
return [
new ExpressionFunction('service', $this->serviceCompiler ?: function ($arg) {
return sprintf('$this->get(%s)', $arg);
}, function (array $variables, $value) {
return $variables['container']->get($value);
}),
new ExpressionFunction('parameter', function ($arg) {
return sprintf('$this->getParameter(%s)', $arg);
}, function (array $variables, $value) {
return $variables['container']->getParameter($value);
}),
];
}
}
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