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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\Security\Http;
use Symfony\Component\HttpFoundation\ParameterBag;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\PropertyAccess\Exception\AccessException;
use Symfony\Component\PropertyAccess\Exception\InvalidArgumentException;
use Symfony\Component\PropertyAccess\PropertyAccess;
/**
* @internal
*/
final class ParameterBagUtils
{
private static $propertyAccessor;
/**
* Returns a "parameter" value.
*
* Paths like foo[bar] will be evaluated to find deeper items in nested data structures.
*
* @param ParameterBag $parameters The parameter bag
* @param string $path The key
*
* @return mixed
*
* @throws InvalidArgumentException when the given path is malformed
*/
public static function getParameterBagValue(ParameterBag $parameters, $path)
{
if (false === $pos = strpos($path, '[')) {
return $parameters->get($path);
}
$root = substr($path, 0, $pos);
if (null === $value = $parameters->get($root)) {
return;
}
if (null === self::$propertyAccessor) {
self::$propertyAccessor = PropertyAccess::createPropertyAccessor();
}
try {
return self::$propertyAccessor->getValue($value, substr($path, $pos));
} catch (AccessException $e) {
return;
}
}
/**
* Returns a request "parameter" value.
*
* Paths like foo[bar] will be evaluated to find deeper items in nested data structures.
*
* @param Request $request The request
* @param string $path The key
*
* @return mixed
*
* @throws InvalidArgumentException when the given path is malformed
*/
public static function getRequestParameterValue(Request $request, $path)
{
if (false === $pos = strpos($path, '[')) {
return $request->get($path);
}
$root = substr($path, 0, $pos);
if (null === $value = $request->get($root)) {
return;
}
if (null === self::$propertyAccessor) {
self::$propertyAccessor = PropertyAccess::createPropertyAccessor();
}
try {
return self::$propertyAccessor->getValue($value, substr($path, $pos));
} catch (AccessException $e) {
return;
}
}
}
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