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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\HttpFoundation;
use Symfony\Component\HttpFoundation\Exception\BadRequestException;
/**
* InputBag is a container for user input values such as $_GET, $_POST, $_REQUEST, and $_COOKIE.
*
* @author Saif Eddin Gmati <azjezz@protonmail.com>
*/
final class InputBag extends ParameterBag
{
/**
* Returns a scalar input value by name.
*
* @param string|int|float|bool|null $default The default value if the input key does not exist
*/
public function get(string $key, mixed $default = null): string|int|float|bool|null
{
if (null !== $default && !\is_scalar($default) && !$default instanceof \Stringable) {
throw new \InvalidArgumentException(sprintf('Expected a scalar value as a 2nd argument to "%s()", "%s" given.', __METHOD__, get_debug_type($default)));
}
$value = parent::get($key, $this);
if (null !== $value && $this !== $value && !\is_scalar($value) && !$value instanceof \Stringable) {
throw new BadRequestException(sprintf('Input value "%s" contains a non-scalar value.', $key));
}
return $this === $value ? $default : $value;
}
/**
* Replaces the current input values by a new set.
*/
public function replace(array $inputs = [])
{
$this->parameters = [];
$this->add($inputs);
}
/**
* Adds input values.
*/
public function add(array $inputs = [])
{
foreach ($inputs as $input => $value) {
$this->set($input, $value);
}
}
/**
* Sets an input by name.
*
* @param string|int|float|bool|array|null $value
*/
public function set(string $key, mixed $value)
{
if (null !== $value && !\is_scalar($value) && !\is_array($value) && !$value instanceof \Stringable) {
throw new \InvalidArgumentException(sprintf('Expected a scalar, or an array as a 2nd argument to "%s()", "%s" given.', __METHOD__, get_debug_type($value)));
}
$this->parameters[$key] = $value;
}
public function filter(string $key, mixed $default = null, int $filter = \FILTER_DEFAULT, mixed $options = []): mixed
{
$value = $this->has($key) ? $this->all()[$key] : $default;
// Always turn $options into an array - this allows filter_var option shortcuts.
if (!\is_array($options) && $options) {
$options = ['flags' => $options];
}
if (\is_array($value) && !(($options['flags'] ?? 0) & (\FILTER_REQUIRE_ARRAY | \FILTER_FORCE_ARRAY))) {
throw new BadRequestException(sprintf('Input value "%s" contains an array, but "FILTER_REQUIRE_ARRAY" or "FILTER_FORCE_ARRAY" flags were not set.', $key));
}
if ((\FILTER_CALLBACK & $filter) && !(($options['options'] ?? null) instanceof \Closure)) {
throw new \InvalidArgumentException(sprintf('A Closure must be passed to "%s()" when FILTER_CALLBACK is used, "%s" given.', __METHOD__, get_debug_type($options['options'] ?? null)));
}
return filter_var($value, $filter, $options);
}
}
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