vendor/symfony/http-foundation/ParameterBag.php line 40
<?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;/*** ParameterBag is a container for key/value pairs.** @author Fabien Potencier <fabien@symfony.com>** @implements \IteratorAggregate<string, mixed>*/class ParameterBag implements \IteratorAggregate, \Countable{/*** Parameter storage.*/protected $parameters;public function __construct(array $parameters = []){$this->parameters = $parameters;}/*** Returns the parameters.** @param string|null $key The name of the parameter to return or null to get them all*/public function all(string $key = null): array{if (null === $key) {return $this->parameters;}if (!\is_array($value = $this->parameters[$key] ?? [])) {throw new BadRequestException(sprintf('Unexpected value for parameter "%s": expecting "array", got "%s".', $key, get_debug_type($value)));}return $value;}/*** Returns the parameter keys.*/public function keys(): array{return array_keys($this->parameters);}/*** Replaces the current parameters by a new set.*/public function replace(array $parameters = []){$this->parameters = $parameters;}/*** Adds parameters.*/public function add(array $parameters = []){$this->parameters = array_replace($this->parameters, $parameters);}public function get(string $key, mixed $default = null): mixed{return \array_key_exists($key, $this->parameters) ? $this->parameters[$key] : $default;}public function set(string $key, mixed $value){$this->parameters[$key] = $value;}/*** Returns true if the parameter is defined.*/public function has(string $key): bool{return \array_key_exists($key, $this->parameters);}/*** Removes a parameter.*/public function remove(string $key){unset($this->parameters[$key]);}/*** Returns the alphabetic characters of the parameter value.*/public function getAlpha(string $key, string $default = ''): string{return preg_replace('/[^[:alpha:]]/', '', $this->get($key, $default));}/*** Returns the alphabetic characters and digits of the parameter value.*/public function getAlnum(string $key, string $default = ''): string{return preg_replace('/[^[:alnum:]]/', '', $this->get($key, $default));}/*** Returns the digits of the parameter value.*/public function getDigits(string $key, string $default = ''): string{// we need to remove - and + because they're allowed in the filterreturn str_replace(['-', '+'], '', $this->filter($key, $default, \FILTER_SANITIZE_NUMBER_INT));}/*** Returns the parameter value converted to integer.*/public function getInt(string $key, int $default = 0): int{return (int) $this->get($key, $default);}/*** Returns the parameter value converted to boolean.*/public function getBoolean(string $key, bool $default = false): bool{return $this->filter($key, $default, \FILTER_VALIDATE_BOOL);}/*** Filter key.** @param int $filter FILTER_* constant** @see https://php.net/filter-var*/public function filter(string $key, mixed $default = null, int $filter = \FILTER_DEFAULT, mixed $options = []): mixed{$value = $this->get($key, $default);// Always turn $options into an array - this allows filter_var option shortcuts.if (!\is_array($options) && $options) {$options = ['flags' => $options];}// Add a convenience check for arrays.if (\is_array($value) && !isset($options['flags'])) {$options['flags'] = \FILTER_REQUIRE_ARRAY;}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, $options);}/*** Returns an iterator for parameters.** @return \ArrayIterator<string, mixed>*/public function getIterator(): \ArrayIterator{return new \ArrayIterator($this->parameters);}/*** Returns the number of parameters.*/public function count(): int{return \count($this->parameters);}}